Aviom Musical Instrument A 16CS User Manual
A-16R Personal Mixer  
A-16CS Control Surface  
For Use With Aviom Monitor Mixing and  
Distributed Audio Network Products  
TM  
User Guide  
Information in this document is subject to change. All rights reserved.  
Copyright ©2003-2005 Aviom, Inc.  
Document Rev. 1.03  
Printed in USA  
Part Number 9301 1003 0001  
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WARNING!  
!
TO REDUCE THE DANGER OF ELECTRICAL SHOCK DO NOT  
REMOVE COVERS.  
NO USER SERVICEABLE PARTS INSIDE  
REFER SERVICING TO QUALIFIED SERVICE PERSONNEL ONLY  
■ To reduce the risk of fire or electrical shock, do not  
expose this product to rain or other types of moisture.  
■ To avoid the hazard of electrical shock, do not handle the  
power cord with wet hands.  
■ Operating Temperature: 10˚C to 40˚C (50˚F to 105˚F)  
CAUTION:  
■ Using any audio system at high volume levels can cause  
permanent damage to your hearing.  
■ Set your system volume as low as possible.  
■ Avoid prolonged exposure to excessive sound pressure  
levels.  
IMPORTANT:  
This equipment has been tested and found to comply with the limits for a Class  
B digital device, pursuant to part 15 of the FCC Rules. These limits are designed  
to provide reasonable protection against harmful interference in a residential  
installation. This equipment generates, uses and can radiate radio frequency  
energy and, if not installed and used in accordance with the instructions, may  
cause harmful interference to radio communications. However, there is no  
guarantee that interference will not occur in a particular installation. If this  
equipment does cause harmful interference to radio or television reception,  
which can be determined by turning the equipment off and on, the user is  
encouraged to try to correct the interference by one or more of the following  
measures:  
• Reorient or relocate the receiving antenna.  
• Increase the separation between the equipment and receiver.  
• Connect the equipment into an outlet on a circuit different from  
that to which the receiver is connected.  
• Consult the dealer or an experienced radio/TV technician for  
help.  
Changes or modifications to the product not expressly approved by Aviom, Inc.  
could void the user’s FCC authority to operate the equipment.  
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Warranty Information  
Please record the following information for future reference:  
Your Authorized Aviom Dealer:  
Name: _____________________________  
Address: _____________________________  
_____________________________  
Phone: _____________________________  
Serial Numbers of Your Aviom Products:  
___________________  
___________________  
Date of Purchase: ________________  
Your Authorized Aviom Dealer is your primary source for service and  
support. The information recorded above will be helpful in communicating  
with your Authorized Aviom Dealer should you need to contact Aviom  
Customer Service. If you have any questions concerning the use of this  
unit, please contact your Authorized Aviom Dealer first. For additional  
technical support, or to find the name of the nearest Authorized Aviom  
Repair Station, check the Aviom web site at www.aviom.com.  
To fulfill warranty requirements, your Aviom product should be serviced  
only at an authorized Aviom service center. The Aviom serial number label  
must appear on the outside of the unit, or the Aviom warranty is void.  
This manual and its contents are copyrighted by Aviom, Inc. All rights are  
reserved by Aviom, Inc. This document may not, in whole or in part, be  
copied, photocopied, reproduced, translated, or reduced to any electronic  
medium or machine-readable form without prior written consent from  
Aviom, Inc.  
The software and/or firmware contained within Aviom products is  
copyrighted and all rights are reserved by Aviom, Inc.  
Although every effort has been made to ensure the accuracy of the text  
and illustrations in this manual, no guarantee is made or implied as to the  
accuracy of the information contained within.  
Personal Monitor Mixing System is a trademark of Aviom, Inc.  
A-Net is a trademark of Aviom, Inc.  
©2003-2005 Aviom, Inc.  
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READ THIS FIRST  
Important Safety Instructions  
1. Read these instructions.  
2. Keep these instructions  
3. Heed all warnings.  
4. Follow all instructions.  
5. Do not use this apparatus near water.  
6. Clean only with a dry cloth.  
7. Do not block any ventilation openings. Install in accordance  
with the manufacturer’s instructions.  
8. Do not install near any heat sources such as radiators, heat  
registers, stoves, or other apparatus (including amplifiers) that  
produce heat.  
9. Do not defeat the safety purpose of the polarized or grounding-  
type plug. A polarized plug has two blades with one wider than  
the other. A grounding type plug has two blades and a third  
grounding prong. The wide blade or third prong are provided  
for your safety. If the provided plug does not fit your outlet,  
consult an electrician for replacement of the obsolete outlet.  
10. Protect the power cord from being walked on or pinched,  
particularly at plugs, convenience receptacles, and the point  
where they exit the apparatus.  
11. Only use attachments/accessories specified by the manufac-  
turer.  
12. Use only with the cart, stand, tripod, bracket, or table specified  
by the manufacturer, or sold with the apparatus. When a cart is  
used, use caution when moving the cart/apparatus combination  
to avoid injury from tip-over  
13. Unplug this apparatus during lightning storms or when unused  
for long periods of time.  
14. Refer all servicing to qualified personnel. Servicing is required  
when the apparatus has been damaged in any way, such as  
when the power-supply cord or plug is damaged, liquid has  
been spilled or objects have fallen into the apparatus, the ap-  
paratus has been exposed to rain or moisture, does not operate  
normally, or has been dropped.  
15. No on/off power switches are included in the A-16 system. The  
external power supply should be used to control power to an  
Aviom A-16 device. This power supply should remain readily  
operable.  
16. The solid line over dashed line symbol (  
the input voltage must be a DC voltage.  
) indicates that  
17. The box within a box symbol (  
power supply is double insulated.  
) indicates that the external  
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Aviom, Inc. Limited Warranty  
Aviom, Inc. warrants this product against defects in materials and workmanship for  
a period of one year from the date of the original retail purchase.  
This warranty does not apply if the equipment has been damaged due to misuse,  
abuse, accident, or problems with electrical power. The warranty also does not apply  
if the product has been modified in any way, or if the product serial number has been  
damaged, modified, or removed.  
If a defect is discovered, first write or call Aviom, Inc. to obtain a Return  
Authorization number. No service will be performed on any product returned  
without prior authorization. Aviom, Inc. will, at its option, repair or replace the  
product at no charge to you. The product must be returned during the warranty  
period, with transportation charges prepaid to Aviom, Inc., 1157 Phoenixville Pike,  
Suite 201, West Chester, PA 19380. You must use the product’s original packing  
materials for shipment. Shipments should be insured for the value of the product.  
Include your name, address, phone number, description of the problem, and copy of  
the original bill of sale with the shipment. The Return Authorization number should  
be written on the outside of the box.  
THIS LIMITED WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU  
MAY HAVE OTHER RIGHTS, WHICH VARY FROM STATE TO STATE  
(OR JURISDICTION TO JURISDICTION). AVIOM’S RESPONSIBILITY  
FOR MALFUNCTIONS AND DEFECTS IN HARDWARE IS LIMITED  
TO REPAIR AND REPLACEMENT AS SET FORTH IN THIS LIMITED  
WARRANTY STATEMENT. ALL EXPRESS AND IMPLIED WARRANTIES  
FOR THE PRODUCT, INCLUDING BUT NOT LIMITED TO ANY IMPLIED  
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR  
PURPOSE, ARE LIMITED IN DURATION TO THE WARRANTY PERIOD SET  
FORTH ABOVE. NO WARRANTIES, WHETHER EXPRESS OR IMPLIED,  
WILL APPLY AFTER SUCH PERIOD.  
AVIOM, INC. DOES NOT ACCEPT LIABILITY BEYOND THE REMEDIES  
SET FORTH IN THIS LIMITED WARRANTY DOCUMENT. AVIOM, INC.’S  
LIABILITY IS LIMITED TO THE REPAIR OR REPLACEMENT, AT OUR  
OPTION, OF ANY DEFECTIVE PRODUCT, AND SHALL IN NO EVENT  
INCLUDE INCIDENTAL OR CONSEQUENTIAL DAMAGES OF ANY KIND.  
SOME STATES DO NOT ALLOW EXCLUSIONS OR LIMITATION OF IMPLIED  
WARRANTIES OR LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL  
DAMAGES, SO THE ABOVE LIMITATIONS MAY NOT APPLY TO YOU.  
Aviom and the Aviom logo are trademarks of Aviom, Inc.  
A-Net and the A-Net logo are trademarks of Aviom, Inc  
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Table of Contents  
Welcome  
1
Features  
1
2
2
Conventions Used in this Document  
Button Presses  
Using Personal Mixers  
Optional Remote Control  
Master Volume Control  
A-16R Front Panel  
A-16R Components - left side  
A-16R Components - right side  
A-16R Rear Panel  
2
2
3
4
4
5
6
Audio Connections  
6
7
8
8
A-16R MIDI and Data Connections  
A-16CS Components  
Left Side  
A-16CS Right Side  
Package Contents  
9
10  
10  
11  
11  
12  
12  
12  
13  
14  
15  
16  
17  
17  
17  
18  
18  
18  
19  
19  
19  
20  
20  
20  
21  
21  
22  
23  
23  
23  
AC Line Conditioning  
Installing the A-16R in a Rack  
Channel Labels  
What is Category 5?  
Cables Used in the Aviom System  
Category 6 Cables  
Cable Lengths  
About A-Net  
Power Supplies  
Cleaning and Maintenance  
System Setup  
AC Power Connection  
System Interconnections  
Audio Connections — Inputs  
Audio Connections — Outputs  
Labeling the Channels  
Powering Up  
Basic Navigation  
Preparing to Make a Mix  
Mixing  
Set the Channel Volume  
Set the Pan Location  
Saving Your New Preset  
What Gets Saved  
Information Not Saved With a Preset  
System Navigation  
A-Net Connection Options  
Series Connection  
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Table of Contents  
Parallel Connection  
23  
24  
25  
25  
26  
26  
27  
27  
29  
30  
30  
31  
31  
32  
32  
32  
33  
34  
35  
36  
36  
36  
37  
38  
38  
38  
38  
40  
41  
41  
42  
43  
43  
45  
45  
45  
45  
45  
46  
47  
48  
49  
50  
50  
51  
51  
Mixing  
The A-16R Personal Mixer  
Operational Modes  
Global Controls - the Master Section  
Tone Controls  
Master Volume  
Button Behaviors  
Before You Start Editing  
Volume and Pan Control  
Pan LEDs  
Linking Channels  
The Spread Control  
Solo Modes  
Single-Channel Solo  
Held Solo Mode  
Muting a Channel  
Creating Groups  
Creating Additional Groups  
Making Changes to a Group  
Changing Channel Volumes Within a Group  
Removing Channels From a Group  
Muting Groups  
A-16R Rear Panel  
A-Net Connectors  
DC Power Input  
Audio Outputs  
Balanced Inserts  
Signal Flow  
Mix In  
A-Control  
MIDI I/O  
A-Net In and Out  
A-16CS Control Surface  
Overview  
The A-16CS Front Panel  
Global Controls  
Tone Controls  
Master Volume  
Button Behaviors  
Channel Volume and Pan Control  
Muting a Channel  
Saving a Mix From the A-16CS  
Recalling a Preset From the A-16CS  
Display the Current Preset Number  
The A-16CS Rear Panel  
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Table of Contents  
A-Control  
Footswitch Jack  
MIDI  
MIDI Jacks  
51  
52  
53  
53  
54  
54  
54  
54  
54  
55  
56  
57  
57  
58  
59  
60  
60  
62  
65  
65  
65  
66  
67  
MIDI In  
MIDI Out  
MIDI Thru  
A-16R MIDI Base Channel  
Display the MIDI Base Channel  
MIDI Automation  
Data Storage  
Saving Presets  
Save One Mix Preset via MIDI  
Saving All Mix Presets via MIDI  
Loading . via MIDI  
Loading an All Preset File via MIDI  
Exit MIDI Mode  
Troubleshooting  
Specifications  
A-16R Personal Mixer  
A-16CS Control Surface  
MIDI Implementation Chart  
MIDI System Exclusive Implementation  
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Welcome  
Thank you for purchasing the Aviom A-16R for use with Aviom’s  
Monitor Mixing and Distributed Audio Network products. This User  
Guide is designed to familiarize you with your new product’s features  
and to make the installation and setup of your new product quick and  
easy.  
Features  
Aviom’s Personal Monitor Mixing System provides a host of  
professional features designed to make the system flexible in a variety  
of music and audio situations.  
The A-16R rack-mounted Personal Mixer can be used with all of  
Aviom’s A-Net devices including:  
• AN-16/i Input Module  
• AN-16/i-M Mic Input Module  
• Y1 digital input card for use with Yamaha consoles  
• A-16T Transmitter  
• AN-16/o Output Module  
• A-16 Personal Mixer  
• A-16II Personal Mixer  
• A-16D Pro A-Net Distributor  
• A-16D A-Net Distributor  
A-16R Personal Mixer Features:  
• Sixteen Channel select buttons with dual LEDs  
• Dedicated Recall, Group, Solo, and Mute buttons  
• Sixteen user Preset memory locations  
• Pan/Spread control with LED readout  
• Channel volume control with LED level readout  
• Master Volume, Treble and Bass controls  
• Stereo Mix In with volume control  
• Balanced outputs on the rear panel  
• Balanced stereo insert points on the rear panel  
• MIDI save and recall of user Presets  
• MIDI remote mixing control  
• A-Control jack accepts the optional A-16CS Control  
Surface  
• Stereo/Mono operation  
1
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Aviom A-16R and A-16CS User Guide  
A-16CS Remote Control Surface Features:  
• Controls all front-panel functions on the A-16R  
• Sixteen Channel select buttons with dual LEDs  
• Dedicated Recall, Group, Solo, and Mute buttons  
• Pan/Spread control with LED readout  
• Footswitch jack for Preset Up/Down control  
• Can be mounted on the optional MT-1 mic stand mount  
System Options:  
• A-16D A-Net Distributor  
• A-16D Pro A-Net Distributor  
• MT-1 mic stand mount for the A-16CS Control Surface  
Conventions Used in this Document  
Button Presses  
When indicating a button on the front panel of the A-16R Personal  
Mixer or A-16CS, a special typeface is used. For example, “when  
selecting a Preset, press the RECALL button, followed by a numbered  
button”.  
Using Personal Mixers  
It is possible to create a personal monitor system using any  
combination of Aviom Personal Mixer products. In some cases the  
information in this document can refer to either the table-top version  
of the Personal Mixer, or the rack-mounted A-16R version.  
When using the A-16R Personal Mixer with the optional A-16CS  
Control Surface, many of the same buttons and functions are available.  
When referring to the use of the mixers in a Personal Monitor Mixing  
System in general, the terms A-16 Mixer or Personal Mixer are used  
to describe a case where a standard A-16 or A-16II Personal Mixer, the  
A-16CS remote Control Surface, or a rack mounted A-16R Personal  
Mixer can be used.  
Optional Remote Control  
When using the A-16R in a monitor system, the A-16CS Control  
Surface can be used as an optional remote control device. This enables  
the A-16R to be placed at the rear of the stage or in another remote  
location while at the same time providing the user with complete  
2
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control over their monitor mix environment.  
It is important to note that the A-16R front panel has a switch that  
selects whether the front panel buttons and knobs or the A-16CS  
Control Surface will be used for editing. The Remote/Local switch  
must be in the LOCAL position to use the front panel controls or to  
send/receive MIDI SysEx data. The Remote/Local switch should be in  
the REMOTE position when the A-16CS is being used.  
Master Volume Control  
When using an A-16CS Control Surface with an A-16R it is also  
important to note that the position of the Master Volume knob on  
the A-16R rack sets the total volume output for the unit. The Control  
Surface simply offsets that master volume setting, allowing for precise  
system gain setup.  
Switching from remote to local control with the REMOTE/LOCAL switch  
may cause an increase in the overall volume, since this removes the  
A-16CS Control Surface from the signal path.  
3
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Aviom A-16R and A-16CS User Guide  
A-16R Front Panel  
1
5
1
2
3
4
5
6
7
A-16R  
A-Net Mixer  
6
2
3
4
A-16R Components - left side  
1
2
3
4
5
6
Recall button (for Save, hold RECALL and GROUP)  
Group button  
Channel Select LED  
Channel Mute LED  
Label strip  
Channel or Preset select button (depends on mode)  
4
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A-16R Components - right side  
7
9
11  
12  
13  
14  
15  
16  
Remote  
Midi Off  
Local  
Midi On  
Mix In  
Phones  
8
10  
17  
7
Solo button  
Mute button  
8
9
Channel Pan control and LEDs  
Channel Volume control and LEDs  
A-Net Active LED  
10  
11  
12  
13  
14  
15  
16  
17  
Mix In volume control  
Bass tone control  
Treble tone control  
Master volume control  
Remote/Local MIDI on/off switch  
Headphone output  
5
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Aviom A-16R and A-16CS User Guide  
A-16R Rear Panel  
Audio Connections  
1
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3
2
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4
5
6
1
2
3
4
5
6
XLR balanced outputs  
TRS balanced outputs  
Mono/Stereo output switch  
Balanced stereo insert Return  
Balanced stereo insert Send  
Stereo auxiliary Mix Input  
6
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A-16R MIDI and Data Connections  
1
2
3
4
5
1
2
3
4
5
A-Control for A-16CS remote controller  
MIDI connections  
A-Net Out  
A-Net In  
DC power connection  
7
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Aviom A-16R and A-16CS User Guide  
A-16CS Components  
Left Side  
7
1
Save  
Recall  
Group  
1
1
2
3
4
5
6
7
8
9
10  
11  
4
5
2
3
6
1
2
3
4
5
6
7
A-Net Active LED  
Recall button  
Group button  
Pan knob & LEDs  
Volume knob & LEDs  
Channel buttons  
A-Control input (rear panel)  
8
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A-16CS Right Side  
7
8
9
13  
Solo  
Mute  
In Recall Mode  
All Volumes  
Zero  
Select  
Mute  
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
11  
12  
10  
7
Bass Tone Control  
Treble Tone Control  
Master Volume  
Solo Button  
8
9
10  
11  
12  
13  
Mute Button  
Label Strip  
Footswitch jack (rear panel)  
9
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Aviom A-16R and A-16CS User Guide  
Package Contents  
A complete Monitor Mixing System requires two basic components:  
an input module and a mixing product such as the A-16R Personal  
Mixer.  
Check the contents carefully before making connections and  
continuing with installation.  
The A-16R Personal Mixer box includes:  
• One A-16R Personal Mixer  
• DC Power supply for the A-16R Personal Mixer  
• One Category 5 cable  
• User Guide  
Options for your system include  
• The A-16CS remote Control Surface for use with the  
A-16R  
• A-Net Distributors, including the A-16D and A-16D Pro  
• MT-1 mic stand mount for the A-16CS  
AC Line Conditioning  
Aviom A-Net products are digital devices and are sensitive to sudden  
spikes and drops in the AC line voltage. Changes in the line voltage  
from lightning, power outages, etc. can sometimes damage electronic  
equipment.  
To minimize the chance of damage to your equipment from sudden  
changes in the AC line voltage, you may want to plug your equipment  
into a power source that has surge and spike protection. Power outlet  
strips are available with built-in surge protection circuits that may help  
protect your equipment.  
Other options for protection of your equipment include the use of an AC  
line conditioner or a battery backup system (sometimes referred to as an  
uninterruptible power supply, or UPS).  
10  
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Installing the A-16R in  
a Rack  
The A-16R Personal Mixer is designed to be installed in a standard 19-  
inch audio equipment rack. This design is both for easy transportation  
of the units and for protection in a permanent installation. Each unit  
takes up one standard rack space (19 inches wide by 1.75 inches high).  
Optionally, you can place the units on a table top or other flat surface  
such as a shelf.  
The rack ears on each side of the device are designed to support  
the weight of the A-16R without additional hardware. Each rack ear  
contains holes for two screws per side. Always support the unit with  
all four screws.  
To rack mount the A-16R Personal Mixer, position it in the equipment  
rack at the desired location. Use standard rack-mounting screws (10-32  
size) to attach the unit to your rack hardware. Tighten all four screws  
firmly, but avoid overtightening.  
You may want to use non-metallic washers between the rack-mounting  
screws and the device’s finished surface to avoid marring the painted  
finish on your Aviom products.  
Always allow adequate ventilation for devices mounted in equipment  
racks. Avoid placing your A-16R Personal Mixer directly above or  
below other rack-mounted gear that produces high levels of heat, such  
as power amps.  
Channel Labels  
For writing channel information or names on the A-16R Personal  
Mixer (or A-16CS) label surface or “scribble strip”, we suggest using a  
china marker or other easily removed marking device. A china marker  
is designed for marking on plastic, metal, glass, wood, and paper.  
These are available at most office supply outlets. Avoid the use of  
permanent markers. Optionally a strip of removable artist’s tape can  
be used instead of writing directly on the product’s surface.  
1
2
3
4
5
6
7
A-16R  
A-Net Mixer  
Mixer Label Strip  
11  
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Aviom A-16R and A-16CS User Guide  
To clean the label area on the A-16R Mixer or A-16CS, use a soft  
clean cloth to remove most types of temporary marking materials. For  
difficult-to-remove types of marking devices, a cotton swab moistened  
with a drop of rubbing alcohol can be used. Use the minimum amount  
possible to remove the writing.  
What is Category 5?  
Category 5 (sometimes referred to as Cat-5) describes a commonly  
used type of high performance network cabling. It is used mainly for  
data transmission purposes to connect computers, modems and other  
devices. A standard Category 5 patch cable consists of four twisted  
pairs of copper wire terminated by RJ45 male connectors. The cable  
assembly is used to provide connectivity between any two Category 5  
female outlet jacks. A variation, called Category 5e (or Cat-5e), uses  
additional twists in the cable to reduce interference in high-speed  
network applications.  
The RJ45 connector looks similar to the connectors found on a  
telephone system, only larger. The twisting of the wire pairs helps  
to shield the cable from unwanted interference from electrical fields  
or radio interference (sometimes referred to as “RF”). Cat-5 cabling  
supports frequencies up to 100 MHz and speeds up to 1000 Mbps.  
Cables Used in the Aviom System  
The Category 5 cables used with your Aviom system are  
interchangeable with any standard Category 5 (or Cat-5e) cables. If  
you need a longer cable for a particular application, any computer store  
should be able to supply you with an appropriate cable. A qualified  
technician should be able to build custom cables to any length (up to  
the maximum of 500 feet (about 150 meters) between components).  
For fixed or permanent installations, you have the option of running  
Category 5 cables inside walls and terminating them with readily  
available wall panel connectors that include the RJ45 jack. (Solid wire  
is recommended for permanent installations.) Aviom recommends  
the use of unshielded Cat-5 cable.  
Category 6 Cables  
Cat-6 cable is the most recent variation in networking cable  
technology. Cat-6 uses a tighter wire pair twist to help reduce  
interference in network installations. The outer jacket of a Cat-6 cable  
is also different, allowing the cable to lay flatter. Cat-6 cables can be  
12  
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used in any part of an Aviom system that specifies a Cat-5 cable.  
Note: When purchasing Category 5 (or Cat-6) cables, be  
sure to buy only standard cables, not those sold as  
crossover cables. A crossover cable is used for file  
transfer between two computers. It is not compatible  
with your Aviom equipment.  
Cable Lengths  
Category 5 cables used with the Aviom Monitor Mixing System can  
be up to 500 feet (approximately 150 meters) in length. The maximum  
cable length specification applies to the cable connected between each  
A-Net compatible device in your system. The A-Net signal is refreshed  
each time it passes through an A-Net device.  
-Net Input Module  
Up to 500  
feet of Cat-5  
cable can be  
used to  
connect  
each system  
Personal Mixers  
component  
Infinite number  
of A-Net components  
Pre-made cables in a variety of lengths and colors are available at most  
computer outlets. Cables can be extended by using a simple passive  
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Aviom A-16R and A-16CS User Guide  
device called an inline coupler to add length to existing cables (as  
long as you do not exceed the specified maximum cable length). If  
you need a longer cable on occasion, this is a simple solution. Note  
that it is possible that the maximum cable length specification can be  
compromised by using inline couplers. Inline couplers are available at  
most computer outlets.  
About A-Net  
Aviom’s A-Net is a high-speed data transmission protocol. It is capable  
of sending and receiving high-quality audio using readily available  
Category 5 cables. The A-Net technology is a proprietary system  
developed by Aviom.  
A-Net is based on Ethernet, a Local Area Network (or LAN)  
technology. This provides A-Net with a mature and robust base on  
which to build.  
As used in the Monitor Mixing System, the A-Net signal carries  
sixteen channels of digital data from the A-Net input module to each  
and every Personal Mixer connected to the system.  
Some of the benefits of using A-Net to transmit digital audio are:  
• Virtually no latency  
• No ground loops  
• Easy cabling using readily available components  
• An unlimited number of Personal Mixers can be used  
in a monitoring system  
• Ease in spanning long distances between system  
components  
Note: While the Category 5 cables and connectors used  
on your Aviom products look like typical computer  
network connections, do not connect computers,  
routers, or other home and business networking  
equipment to your Aviom products.  
.
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Power Supplies  
Your Aviom product uses a DC power supply that has a two-prong  
power cord. The prongs on the power supply are identical, meaning  
that there is no need to orient the plug in a specific direction in  
the power outlet. Some products with two-prong power cords have  
polarized plugs that can only be inserted into an electrical outlet one  
way.  
The power supply that ships with your Aviom product is a universal  
switching type. It is capable of working with voltages from 90 to  
240 volts AC. This means that a separate power supply is not needed  
to use the product with the power systems found in most countries.  
You should always use the power supply that shipped with your  
Aviom product. When travelling, you may need plug adapters to use  
the power supply with the AC outlet plug shape variations in use  
throughout the world.  
Should you need to replace the power supply that came with your  
product, we recommend using only a power supply that meets the  
following specifications.  
Type:  
Switching  
90-240 volts  
24Vdc  
50/60Hz  
30VA  
Input Voltage:  
Output:  
Polarity  
0.5A  
Outer = negative; Inner = positive  
_
+
Power Supply Polarity  
Note that polarity of the plug found on the DC power supply needs to  
match that of the original power supply that came with your Aviom  
equipment. Aviom products use a center positive power supply.  
The outer contact is negative, the inner contact is positive. (See the  
diagram above.)  
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Aviom A-16R and A-16CS User Guide  
Cleaning and  
Maintenance  
The exterior of your Aviom products should be cleaned with a dry,  
soft, lint-free cloth. For tougher dirt, you can use a cloth slightly  
dampened with water or with a mild detergent.  
When cleaning your Aviom products, never spray cleaners directly  
onto the product surfaces. Instead, spray a small amount of the  
cleaning solution onto a clean cloth first. Then use the dampened cloth  
to clean the product.  
Note: Never use solvents or abrasive cleaners on the  
finished surfaces of your Aviom products.  
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System Setup  
Start with all devices turned off. When all power and audio  
connections have been made, you can then power up all the  
components in your system.  
AC Power Connection  
The component parts of your Personal Monitor Mixing System use  
separate external power supplies.  
• Connect the power supply to the 18-24 VDC Power jack  
on the rear of the analog input module (does not apply  
when using the Yamaha-compatible Y1 card).  
• Plug the power supply into an available AC power  
outlet.  
• Connect the power supply to the A-16R Personal Mixer  
unit.  
• Plug the power supply into an available AC power  
outlet.  
The Personal Monitor System will be in its “on” state as long as it is  
plugged into a working electrical outlet.  
No on/off power switches are included. If you would like to control  
the power state of your units, simply connect the power supplies to a  
power strip with an on/off switch. Use that as a system power switch.  
Note: The A-16CS gets its power from the A-16R when the  
A-Control jacks are connected via a Cat-5 cable. No  
power supply is required.  
System Interconnections  
A single Category 5 cable is required to connect each A-Net  
compatible device in your system.  
Connect a Category 5 cable from the front panel A-Net jack on the  
Aviom A-Net input module (AN-16/i, AN-16/i-M, A-16T, or Y1 card)  
to the A-Net In jack on the first Personal Mixer.  
Connect additional A-16, A-16II or A-16R Personal Mixers with a  
single Category 5 cable from the A-Net Out jack on the first Mixer to  
the A-Net In jack on the next Personal Mixer. (Repeat this process for  
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Aviom A-16R and A-16CS User Guide  
each additional Mixer unit in your system.) As an option, you can use  
the A-16D or A-16D Pro A-Net Distributors for parallel connections.  
If using the A-16CS Control Surface for remote mix control, patch a  
Cat-5 cable from the A-16R A-Control jack to the A-Control input on  
the A-16CS.  
Audio Connections — Inputs  
The Aviom Personal Monitor Mixing System is designed to work in a  
wide variety of audio situations. For complete setup information, refer  
to the detailed instructions included with your A-Net input module.  
Line outputs, aux sends, direct outputs, bus and group outputs are  
some examples of signals that are compatible with the analog inputs  
of Aviom’s input modules. Users of the Y1 card with Yamaha digital  
mixing consoles can patch audio to the A-Net channels in the digital  
domain using the Yamaha mixer’s user interface.  
Audio Connections — Outputs  
Plug headphones or in-ear monitors into the A-16R Personal Mixer’s  
front panel Headphone jack. If you use powered stage monitors, spot  
monitors, or wireless in-ear monitors, connect the Line output jacks on  
the rear panel of the A-16R Personal Mixer to the inputs of your audio  
device.  
Before powering up the system, turn the Master Volume control  
on the Personal Mixer to its minimum setting (full left) to ensure  
that unwanted high-volume audio is not accidentally sent into your  
monitors when the system is powered up. The Master Volume control  
is on the right side of the Personal Mixer, next to the Bass and Treble  
controls.  
If you are using the A-16CS Control Surface, make sure that the  
A-Control cable is connected and that the REMOTE/LOCAL switch on  
the front panel of the A-16R is in the REMOTE position.  
Labeling the Channels  
The A-16R Personal Mixer and the A-16CS Control Surface have a  
convenient label strip right on the front panel.  
Use a china marker (sometimes called a “grease pencil”) to write the  
name of the instrument or audio source appearing on each Channel’s  
label area.  
Optionally, you could also write a performer’s name on the label strip  
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marking area to identify Channels.  
Use only non-permanent marking devices on the label surface to avoid  
permanently marring the surface. Do not use permanent marker to  
write on the label surface.  
Powering Up  
As when powering up any audio gear, it’s best to turn on all system  
components in the safest possible order to minimize the risk of damage  
to system components and your hearing. Start by turning on devices  
such as mic preamps, mixers, keyboards, and effects processors.  
Follow this by turning on power amps, or anything that applies power  
to speakers, headphones, etc.  
In the case of the Personal Monitor Mixing System, you should power  
up your main audio mixer, effects devices, and keyboards first. Follow  
this by powering up your A-Net input module and then all connected  
Personal Mixers.  
Lastly, turn on any power amps, powered monitor speakers, in-ear  
monitors, etc. that are part of the monitor system.  
Basic Navigation  
When the system is powered up, Preset 1 is automatically selected. On  
the Personal Mixer, one Channel is always selected for editing. You  
can tell that a Channel is selected because the upper LED in its button  
is lit.  
Each of the sixteen Channel buttons have two LEDs, an upper and a  
lower. The red upper LED indicates that the Channel is selected; you  
can change its volume and panning. You can also solo or mute the  
channel using the dedicated SOLO and MUTE buttons on the Personal  
Mixer front panel (or A-16CS).  
The upper LEDs will also light in combination if a Channel is stereo  
linked or is part of one of the three available Groups. (More info on  
Groups appears later in this quick startup section.)  
The lower yellow LED in each Channel button indicates the Channel’s  
mute status. A lit yellow LED indicates that the Channel is muted. Any  
number of Channels can be muted.  
Preparing to Make a Mix  
Set the global tone controls—BASS and TREBLE—to the 12 o’clock  
position. This is the default EQ setting; no boost or cut is applied to the  
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Aviom A-16R and A-16CS User Guide  
audio mix.  
Set the MASTER VOLUME knob on the Personal Mixer to a low setting,  
about 9 or 10 o’clock should be safe. Send audio into the system; this  
could be the band playing live or audio from a tape deck or other  
multi-track audio device. Raise the levels to a comfortable level after  
you have audio playing through the system.  
Mixing  
Start creating a monitor mix by selecting the first Channel you want to  
hear.  
Set the Channel Volume  
Follow these steps:  
• Press the desired Channel button — its upper red LED  
will light.  
• Turn the VOLUME knob clockwise to raise the volume  
of the selected Channel until you hear it in the monitor  
(speakers, headphones, in-ear monitors, etc.). You  
should see the volume changes you’re making reflected  
in the Volume LED indicators. More LEDs lit indicates  
higher volume.  
There are twenty-four visible volume steps available in the Volume  
LEDs. Each LED lights at two levels—one at half brightness, the other  
at full brightness.  
Set the Pan Location  
The procedure for setting the pan position for a Channel is similar.  
Once a Channel is selected, you can turn the PAN knob left or right to  
move the Channel in the stereo field. Your changes will be reflected in  
the Pan LEDs. Changes will be heard immediately in any speakers, in-  
ear monitors (IEM) or headphones connected to your Personal Mixer.  
Note: If you have connected the output of the Personal Mixer  
to a mono audio system or speaker, pan position is  
irrelevant. Leave all Channels panned to the center.  
A Channel is heard in the center of the stereo field when only the  
center (green) LED is lit. As you turn the PAN knob, the Pan LEDs will  
light in various combinations to indicate the pan position.  
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Continue this process of setting volume and pan until all the Channels  
have been added to the mix.  
At this point you should have a basic mix playing in your monitor  
device. You can continue to make changes in real time as your needs  
require. Remember that changes to Channel volume and pan setting  
affect the selected Channel only. The selected Channel always has its  
red LED lit.  
Saving Your New Preset  
It’s important to remember that your mix is not saved if you should  
power the system down unless you store the mix as a Preset. You  
need to save a Preset to a memory location to be able to recall it later.  
The Channel buttons serve as memory location buttons when in Save  
mode.  
To save a Preset:  
• Hold down the RECALL and GROUP buttons, found to  
the left of the label strip on the A-16R and in the upper  
left side of the A-16CS.  
• While still holding the RECALL and GROUP buttons,  
press the Channel button (1 through 16) corresponding  
to the memory location where you want the mix to be  
stored.  
• Release the Channel button to store a Preset; you will  
see all the Channel LEDs flash in sequence as confir-  
mation of the save  
operation.  
• Release the RECALL and GROUP buttons after selecting  
a location.  
If you want to store the same mix to multiple memory locations, you  
can press memory location buttons as needed while the RECALL and  
GROUP buttons are being held down. A copy of the mix will be saved  
to each memory location.  
What Gets Saved  
When you save a Preset the following information is saved:  
• Channel volumes  
• Channel pan settings  
• The Mute status of all Channels  
• Channel Groups (up to three) and Group volume  
settings  
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Aviom A-16R and A-16CS User Guide  
• The current active Channel, linked pair, or Group  
Tip: One Channel is always selected on a Personal Mixer,  
and this Channel info is stored with the mix Preset. By  
selecting a specific Channel prior to saving a Preset  
you can always have your favorite Channel ready for  
real-time editing when the Preset is recalled.  
Information Not Saved With a Preset  
When saving a Preset the following information is not saved:  
• Master Volume level  
• Master Bass and Treble tone control settings  
• Auxiliary Mix In level  
• REMOTE/LOCAL switch position on the A-16R  
• Setting of the rear-panel Mono/Stereo switch on the  
A-16R  
• Stereo Link information set at the A-Net input module  
Note also that the system does not remember if the optional A-16CS  
Control Surface is connected to the A-Control jack on the rear panel of  
the A-16R.  
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System Navigation  
This section explains the basic layout of your new Aviom products.  
The diagrams on the previous pages can be used as a quick visual  
guide to the location of the basic components of the system.  
A-Net Connection Options  
In a simple system, the easiest connection method uses what is  
called a daisy-chain. That is, each device is connected in series. The  
first mixer device in the chain receives the A-Net signal from the  
A-Net input module. Each successive Personal Mixer gets its A-Net  
connection from the A-Net Out jack of the Mixer preceding it in the  
chain.  
There is one drawback to this connection method, however. If one  
Personal Mixer in the chain is disconnected from the A-Net signal  
chain, Personal Mixers beyond this point will not get any audio until  
the unit is reconnected.  
Series Connection  
In this diagram, A-Net is connected from device to device using a Cat-  
5 cable to connect the A-Net Out port on the first mixer to the A-Net In  
port on the next, and so on.  
Parallel Connection  
A parallel A-Net connection solves that problem. By using the  
optional A-16D or A-16D Pro A-Net Distributor products, parallel  
A-Net connections are possible. In fact, any combination of series and  
parallel connections can be used to solve even the most complex audio  
routing problems.  
Parallel A-Net routing using an A-16D A-Net Distributor  
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Aviom A-16R and A-16CS User Guide  
A-16 D or  
A-16D Pro  
Personal  
Mixer  
Personal  
Mixer  
Personal  
Mixer  
Personal  
Mixer  
Personal  
Mixer  
A-Net Out from the A-16D or A-16D Pro is connected to each Personal  
Mixer’s A-Net In. Removing one Personal Mixer from the system has  
no effect on other Personal Mixers being used.  
Mixing  
The process of creating a monitor mix using Aviom’s Monitor Mixing  
System is similar to the process used to create a front-of-house mix.  
The Personal Mixer interface makes it easy to jump right in and create  
your first mix within minutes of connecting the system for the first  
time.  
Mixing involves setting pan, volume, and mute status for each  
Channel, and then saving this setup as a mix Preset so that you can  
recall your mix later.  
The user interface of the A-16R and optional A-16CS are quite simple  
to understand. As with many digital mixers, the A-16R Personal Mixer  
has many Channels, but only one set of controls that are shared by all  
the Channels. A Channel is selected by pressing one of the numbered  
Channel buttons on the Mixer’s front surface. When a Channel is  
selected, the red LED in the Channel’s button will light to indicate that  
it has been selected and is ready to be edited.  
The procedure to edit a Channel involves only two steps:  
• Select the Channel you want to change.  
• Edit the volume, panning, or mute status  
That’s it. Each Channel can be edited by using the same simple steps.  
Note: Remember to save your new mix as a Preset to a  
memory location before turning the system off.  
Current unsaved edits to mix settings are not retained  
when the A-16R is powered off.  
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The A-16R Personal  
Mixer  
This section describes the controls, modes, and functions of the A-16R  
rack mounted Personal Mixer. The basic components of the front  
panel include:  
• Sixteen lighted Channel buttons (they are also the  
Preset select buttons)  
• Channel label strip  
• Recall button  
• Group configuration and edit button  
• Solo and Mute buttons  
• Pan and Volume knobs  
• Bass and Treble tone controls  
• Master Volume control  
• A-Net signal indicator  
• Mix In volume control  
• MIDI/Remote control selection switch  
• Headphone jack  
Remote  
Midi Off  
1
2
3
4
5
6
7
8
9
10  
11  
12  
13  
14  
15  
16  
Local  
Midi On  
A-16R  
Mix In  
A-Net Mixer  
Phones  
Operational Modes  
When using the A-16R Personal Mixer, you will be in one of the  
following modes:  
• Mix Mode — Here you can change Channel and mix  
settings such as volume, mute, and panning; you’ll  
spend most of your time in this mode.  
• Recall Mode — Activated by the RECALL button, the  
row of sixteen Channel buttons are used to select one  
of the sixteen available mixes saved as Presets.  
• Group Mode — Used when creating Groups or editing  
existing Groups. This is activated by pressing the  
GROUP button. The Channel Select buttons are used to  
add or delete Channels from a Group.  
• Solo Mode — When the SOLO button is pressed, the  
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Aviom A-16R and A-16CS User Guide  
selected Channel (or Group) is audible while the rest of  
the mix is muted.  
• Mute Mode — When the MUTE button is pressed, the  
selected Channel (or Group) is muted  
• Save Mode — This mode is activated by pressing and  
holding both the RECALL and GROUP buttons. When  
both buttons are held down, the Save Mode is active.  
Pressing any numbered button while still holding this  
button combination will save your current mix to that  
Preset location.  
• MIDI Mode — MIDI is used for saving and reload-  
ing your saved Presets. Only the A-16R is capable of  
sending and receiving MIDI.  
Note: A Preset is saved when the numbered  
button is released.  
Global Controls - the Master  
Section  
The three knobs in the Master section of the A-16R Personal Mixer  
affect your monitor mix volume and tone directly. The Bass, Treble,  
and Master Volume controls are always active, regardless of the  
selected Preset. These controls are also found on the optional A-16CS  
Control Surface.  
Tone Controls  
Use the Bass and Treble controls to change the overall balance of bass  
or treble frequencies in your mix. These controls affect the entire mix,  
not the individual Channels.  
Remote  
Midi Off  
Local  
Midi On  
In  
Phones  
The default (neutral) position for the BASS and TREBLE knobs is at 12  
o’clock. To add more low frequencies to your monitor mix, turn the  
BASS knob to the right of the 12 o’clock position. To remove lows,  
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turn the knob counterclockwise past the center. To change the high-  
frequency content, follow the same procedure; turn the TREBLE knob  
right to add highs, left to diminish them.  
The Bass and Treble EQs in the Personal Mixer are both shelving type.  
There is +/-12dB of cut or boost available for each.  
Bass EQ - 160Hz shelving  
Treble EQ - 9kHz shelving  
+12dB  
-12dB  
+12dB  
160Hz  
9kHz  
-12dB  
Master Volume  
The overall system volume is controlled by the MASTER VOLUME  
control, not to be confused with the Channel Volume control. This is  
a digitally-controlled analog volume control. Turn it counterclockwise  
for a full off setting. As a general suggestion, start with the Master  
Volume knob at a low setting, about 9 or 10 o’clock to start. Raise the  
volume slowly from that point to a comfortable level.  
Note: Always use caution when adjusting any audio  
system component to avoid potential hearing  
damage.  
Button Behaviors  
There are various combinations of lighted and unlighted buttons on the  
A-16R Personal Mixer. Here is an overview:  
• Channel buttons have two LEDs, an upper and lower.  
The upper button is red and indicates that the Channel  
is selected. The lower button is yellow; it indicates that  
the Channel is muted. Channel buttons will light solid  
or flash.  
• The RECALL button has one red LED. It flashes when  
the RECALL button is pressed, indicating that you can  
now select a Preset by touching any numbered button.  
• There is one LED in the GROUP button. When the  
GROUP button is pressed, the LED flashes. This  
indicates that you can now build or edit a Group.  
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Aviom A-16R and A-16CS User Guide  
• The RECALL and GROUP buttons will both flash when  
held down simultaneously. This is the Save Mode, as  
indicated by the connecting graphic above the two  
buttons on the front panel.  
• When a Preset is saved, all sixteen Channel buttons  
will flash briefly to confirm the Preset save operation.  
• The SOLO button has one LED. It will light when  
pressed, indicating that the selected Channel or Group  
is now being auditioned with all other Channels being  
muted.  
• The MUTE button has no LED in it. Pressing the MUTE  
button with a Channel selected will silence the Channel  
and cause the Channel’s lower (yellow) LED to light.  
There is also one special button combination, the RECALL button  
followed by the MUTE button. When used together this combination  
serves a twofold function:  
• If there is a sudden change in the audio volume coming  
through the monitor system, this button combination  
silences all audio channels instantly.  
• When starting from scratch to create a new mix, use  
this function to set all sixteen channels to zero volume  
and all channel pans to the center setting.  
12  
13  
14  
15  
16  
Note: The text on the right side of the label strip reads  
“In Recall Mode All Volumes Zero” as a reminder  
that this function is always available.  
Making Changes to Channel Settings  
The A-16R Personal Mixer has one set of common controls used  
for mix editing. A simple convention is used: to make a change to a  
Channel, first select it. Then the Channel is available for editing.  
On the Personal Mixer you can change:  
•
Volume  
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•
•
•
•
•
Panning for mono channels  
Spread for stereo channels  
Mute status  
Solo status  
Grouping  
In addition to these changes, you can use Solo Mode to audition your  
edits to a Channel while all other Channels are temporarily silenced.  
Groups can also be soloed.  
Before You Start Editing  
Remote  
Midi Off  
Local  
Midi On  
Phones  
When using the A-16R, it is important to note that only one device  
can control the mix settings of the A-16R at a time. This is true even if  
you do not have an optional A-16CS Control Surface connected. Some  
important points to keep in mind:  
• Set the Remote/Local switch to the LOCAL position  
to use the front panel of the A-16R for editing and  
save/recall of Presets.  
• Set the Remote/Local switch to the REMOTE position to  
use an A-16CS to remotely control the A-16R. Editing  
mixes and save/recall of your Presets only works from  
the A-16CS in this case.  
• Only the Mix In knob on the A-16R rack will function  
when the Remote/Local switch is set to the REMOTE  
position.  
When using an A-16CS with an A-16R the settings of the Bass, Treble,  
and Master Volume knobs are independent. Switching mix control  
between the two devices can cause unexpected changes in volume and  
EQ if the settings of the knobs are not similar.  
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Aviom A-16R and A-16CS User Guide  
Volume and Pan Control  
When you change the volume of a Channel on the Personal Mixer,  
the LEDs in the Volume section of the interface will indicate the level  
in real time. There are twelve LEDs in the Volume indicator, each  
capable of displaying two levels, for a total of twenty-four visible  
lighted steps.  
When a Channel is selected, the current volume is instantly indicated  
on the LEDs. When no LEDs are lit, Channel volume is at its  
minimum setting.  
Mix In  
Pan and Volume Controls  
To make changes to a Channel:  
• Select a Channel by pressing its numbered button—the  
upper LED will light.  
• Rotate the VOLUME knob to the right to increase the  
volume; rotate to the left to lower the volume. The  
Volume LEDs indicate the current level.  
• While the Channel is still selected, you can also change  
the Pan setting. Rotate the PAN knob left or right to  
change the position of the Channel in the stereo field.  
Pan LEDs  
The Pan indicator is made up of five LEDs. The center LED is green.  
The LEDs on either side of center are red. As you turn the PAN knob,  
the LEDs will light in various combinations to provide the maximum  
number of pan position indicators with the fewest number of LED  
lamps. At either end of the display only one LED will be lit to indicate  
that the Channel is panned full left or right.  
When using linked channels (stereo inputs), the LEDs light in different  
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patterns, using a pair of LEDs on either side of the display to indicate  
the width of the stereo field. When the stereo image has been collapsed  
to mono, only the center green LED will be lit. In this case the stereo  
input will be heard as mono.  
Linking Channels  
For stereo input sources such as keyboards, drum machines, CD  
players, main console submixes, console stereo group outputs, etc.,  
Aviom input modules provide a convenient method of controlling these  
two-channel sources. It’s called a Stereo Link. A Stereo Link is simply  
two Channels working together as one to process a stereo input.  
Linking two Channels is done from the front panel of the AN-16/i,  
AN-16/i-M or A-16T, and from the DIP switches found on the Y1  
digital input card for Yamaha digital consoles. Each pair of inputs has  
a corresponding Link switch. Only adjacent Channels can be linked  
(Channels 1 and 2, Channels 3 and 4, etc.), starting with an odd-  
numbered channel.  
When Channels are linked, they act as one source on the A-16R  
Personal Mixer. When you select either of the two linked Channels  
on the Mixer, both LEDs will light up, indicating that they are linked.  
Volume changes affect both Channels simultaneously.  
Channels that are linked will appear linked on every Personal Mixer  
connected to the system. You can link or un-link Channels as needed,  
even while audio is running through the system. All connected  
Personal Mixers update immediately.  
The Spread Control  
When two Channels are stereo linked, they no longer have separate  
pan controls. With the Channel link comes a new feature, called  
Spread, which uses the PAN knob and LEDs for control. The Spread  
control varies the stereo image of the two linked Channels from full  
stereo to mono. This allows you to position stereo sources in your  
monitor mix by controlling the width of the stereo image.  
Spread changes the panning of the left and right Channels  
simultaneously. Instead of having two Channels panned 100% left and  
right, Spread allows the Channels to be panned to 60% left and right,  
for example.  
Spread turns this:  
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into this, for example  
When you adjust the Pan control with a stereo-linked Channel  
selected, the Pan LEDs show the width of the stereo spread that is  
currently set. Multiple LEDs light to indicate the compression of the  
image from full stereo to mono (a single green LED in the center of  
the display).  
Solo Modes  
The A-16R provides two methods for hearing a channel in solo mode.  
The first method works on one channel at a time. Pressing any other  
button on the interface release the channel from solo mode and returns  
you to the mix you are working with. The Held Solo mode keeps the  
A-16R in Solo mode so that any number of channels can be auditioned  
in succession.  
Note: Solo mode will temporarily override a mute. This  
guarantees that you will always hear the Channels  
you solo. When you exit Solo mode, the Channels are  
returned to their previous state.  
Single-Channel Solo  
To listen to the Channel you’re editing without hearing the rest of the  
current mix, press the SOLO button. Make any necessary changes to  
the Channel. When finished, press the SOLO button again or select any  
other Channel. Both methods will automatically exit Solo Mode and  
return you to your current mix.  
Held Solo Mode  
The second Solo mode allows Channels to be soloed in succession  
without exiting the Solo Mode. This is in addition to the standard Solo  
Mode behavior that allows the user to exit Solo Mode by pressing  
any other interface button after soloing a Channel. Held Solo Mode is  
indicated by the flashing of the Solo LED.  
To use Held Solo Mode, you must start from Mix Mode (that is, no  
Channels are currently soloed). The Recall, Group, and Solo LED’s  
should be off.  
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To use Held Solo Mode:  
• Press and hold the SOLO button.  
• While holding down the SOLO button, press and then  
release any Channel button.  
• You can now release the SOLO button. (If you release  
the SOLO button before releasing the Channel button,  
Held Solo Mode will not be engaged.)  
• The Channel that you pressed is now soloed, and the  
Solo LED is flashing.  
• To solo another Channel, press any Channel button.  
• To exit Held Solo Mode, press the SOLO button again.  
You can also exit Held Solo Mode by pressing the RECALL, GROUP, or  
MUTE buttons.  
Remember that the system can only enter Held Solo Mode from the  
normal Mix Mode. If you currently have a Channel temporarily soloed  
(the Solo LED is lit solid), you must exit the temporary Solo Mode (by  
hitting another Channel button or the SOLO button) before you can  
enter Held Solo Mode.  
Note: The status of Solo Mode is not saved with a Preset.  
Muting a Channel  
While creating a mix, any Channel or combination of Channels can be  
muted. Unlike the Solo Mode, the changes you make with the MUTE  
button can be saved as part of a Preset.  
To mute a Channel:  
•
•
•
Select the Channel first  
Press the MUTE button  
The yellow LED in the Channel button lights  
To unmute a Channel:  
•
•
•
Select a muted Channel  
Press the MUTE button  
The yellow LED in the Channel button will go out  
Additional Channels can be muted or unmuted by following the same  
procedure—first select the Channel, then press the MUTE button.  
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Creating Groups  
When you need control over more than just a stereo pair of Channels  
as described earlier using the Stereo Link function, you can use the  
Group function to control multiple Channels. Up to three Groups can  
be created per user Preset. This means that every Personal Mixer can  
have up to forty-eight different Groups saved by using all sixteen user  
mix Presets.  
A Group can consist of any number of Channels, but Groups cannot  
overlap. That is, one Group cannot contain Channels that are part  
of another Group. Mono or linked stereo Channels can be part of a  
Group.  
As you create a Group, the Channel volume and pan settings of each  
Channel added to a Group are retained. This helps to keep the overall  
blend of Channels that are part of a Group even while you adjust the  
Group’s overall volume. The VOLUME control changes the overall level  
of the Group.  
Some examples of Groups in use:  
• A Group allows background vocal parts from six  
singers to be adjusted together.  
• All the drums in a live drum kit can be combined to  
a single stereo mix for easy adjustment for the guitar  
player, while the drummer retains individual control  
over each drum in his mix.  
• Multiple stereo keyboards can be combined into one  
source.  
Creating and editing Groups is done in the Group Mode. To create  
your first Group:  
• Start by selecting a Channel that you want to be  
included in the Group.  
• Press the dedicated GROUP button on the left side of the  
Personal Mixer or Control Surface.  
• Its red Group LED will begin to flash indicating that  
you can now edit the Group.  
• Double-click the Channel buttons to include a Channel  
in the Group.  
• Channels that are added to the Group will flash their  
upper red LED to indicate that they are now part of the  
Group.  
To Save your Group, simply press the GROUP button again. The Group  
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LED goes out and you are returned to your current Preset and live mix.  
In the current Preset, you will now see all Channel LEDs associated  
with a Group light whenever you press a Channel button that is  
included in your saved Group. The Channels now behave as one.  
Note: Remember to save the Preset if you want to be able to  
recall the Preset with the new Group settings later.  
Creating Additional Groups  
Three Groups can be created and saved in each Preset in a Personal  
Mixer. Each Group can be created and/or edited as needed while live  
audio is playing through the system. Remember that when using the  
A-16CS the data is stored in the A-16R, not in the A-16CS itself.  
The instructions in the previous section describe how to create and  
save the first Group in a mix. Creating additional Groups follows the  
same procedure.  
Use these steps to create a second and/or third Group.  
•
•
•
•
Select a Channel that is not currently part of an existing  
Group.  
Press the GROUP button to enter Group Mode. The  
Group LED will flash.  
Double-click any Channels that you want to add to the  
new Group.  
To save the Group, press the GROUP button again to exit  
Group Mode. The flashing LED will go out.  
Shortcut: While in the Group edit mode, you can start the process of  
creating a new Group while editing an existing Group. To do this,  
•
Press a Channel button that is not already part of the  
current Group being edited. Its red LED will light solid.  
•
•
•
•
Double-click Channels to add them to a new Group.  
Create a third Group by following the same procedure.  
Exit the Group edit mode to save the Groups.  
Save the Preset.  
If you try to create more than three Groups, the interface will  
automatically select one of the existing Groups when you enter Group  
edit mode. You have the option at this point to edit an existing Group  
or clear Channels that are part of one of the other existing Groups.  
Note: A Channel that is already part of one Group cannot be part  
of any other Group.  
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Making Changes to a Group  
Once you have created a Group, you can edit it in a number of ways.  
You can add or delete Channels from the Group, and change individual  
Channel volume, mute and pan settings.  
To change a Group, start by selecting a Channel that is already part of  
a Group. All Channel LEDs that are part of the Group will light. Press  
the GROUP button to enter the editing mode. The Group LED flashes.  
Then, follow the specific directions below.  
Changing Channel Volumes Within a  
Group  
While editing a Group, you’ll notice that one LED in each Group is  
lit solid while the other LEDs are flashing. The solid LED indicates  
the Channel currently selected for editing. You can change its volume  
and panning without affecting other components of the Group.  
The changes you make to volume and pan affect only the selected  
Channel, allowing you to change the relative balance of the individual  
components of your Group. Changes can be made in real time.  
To select a different Channel in a Group for editing, press one of the  
flashing LEDs (don’t double-click it). The new selection will light its  
LED solid, while the previously selected Channel will start to flash.  
Continue making changes as needed. Remember, volume and pan  
changes only affect the Channel whose LED is lit solid.  
Removing Channels From a Group  
To remove a Channel from a Group, simply double-click the Channel  
that you want to remove while in the Group edit mode. The flashing  
Channel LED will go out. To add different Channels to a Group,  
double-click them. When you have double-clicked to remove all  
Channels that were previously part of the Group you’re editing, the  
Group will no longer exist. You need at least two Channels to have a  
valid group.  
Exit the Group edit mode by pressing the GROUP button again. The  
LED in the Group button will go out. This saves your changes to the  
Group.  
Some points to note about Groups:  
•
•
Up to three Groups can be created per Preset.  
Groups are relative only to the Personal Mixer that they  
are created on.  
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•
•
Groups you create on your Personal Mixer do not affect  
other Personal Mixers being used in your system.  
Groups created with an A-16CS are stored in the  
A-16R, not in the A-16CS.  
Remember that although you have edited and saved changes to your  
Group, you must still save the Preset if you want to recall the Preset  
with the new Group configuration intact.  
Muting Groups  
Groups can be muted if necessary while creating a monitor mix or  
editing. The procedure is the same as for muting a single Channel.  
To mute a Group:  
•
First select one of the Channels that is part of the  
Group.  
•
The upper (red) LED in each Channel button that is  
part of a Group will be lit solid.  
•
•
To mute the Group, simply press the MUTE button.  
The lower (yellow) LEDs in all Channel buttons  
contained in the Group will light, indicating that the  
Group and all of its Channels are now muted.  
•
Unmute the Group by pressing the MUTE button again  
while the Group is still selected.  
Note: The mute status of your Group is saved as part of a  
Preset.  
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A-16R Rear Panel  
On the rear of the A-16R Personal Mixer you will find the A-Net  
connectors, the power supply input, insert points, auxiliary mix input  
jacks, MIDI I/O, the A-Control connector, and the line-level audio  
outputs.  
A-Net Connectors  
There are two A-Net connectors on the rear of the Personal Mixer.  
The A-Net In jack accepts  
• the A-Net signal coming from the A-Net input module  
(AN-16/i, Y1 card, AN-16/i-M, A-16T Transmitter, etc.)  
if the Personal Mixer is the first Personal Mixer in the  
system, or  
• the A-Net signal coming from the Out jack of a  
Personal Mixer, or  
• the A-Net signal coming from the Out jack of a an  
A-Net output module such as the AN-16/o, or  
• the A-Net Out signal from an A-16D or A-16D Pro  
A-Net Distributor  
The A-Net Out jack is used to connect another A-Net device. This will  
send the same sixteen audio channels being transmitted by the A-Net  
input module to the next A-Net device so that another unique monitor  
mix can be created. An unlimited number of A-Net devices can be  
connected in series using this method. Any A-Net device, including  
A-Net Distributors can be connected.  
DC Power Input  
Connect the DC power supply to the jack on the rear of the A-16R  
Personal Mixer. Use only power supplies designed for your Aviom  
products.  
When using the optional A-16D or A-16D Pro A-Net Distribution  
products, power can be supplied to the A-16R from a remote location  
eliminating the need for the local DC power supply. Consult the  
Distributor products’s documentation for additional setup information.  
Audio Outputs  
The audio outputs on the rear of the A-16R Personal Mixer can be  
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used with any device that can accept a line-level audio output, such  
as wireless in-ear monitor transmitters, powered speaker systems,  
and recording devices. Balanced stereo and dual-mono outputs are  
available. Both XLR and 1/4-inch TRS jacks are available.  
Audio routing tip: Both sets of audio outputs (XLR and  
1/4-inch) can be connected at the same time and  
routed to different audio devices. For example, a  
subwoofer could be connected to one set of outputs  
and a standard powered speaker system to the other.  
.
Stereo Operation  
The XLR and TRS balanced line outputs on the rear panel of the  
A-16R Personal Mixer are independent of the front-panel headphone  
output signal. The mix appearing at each set of outputs is the same,  
but the setting of the Mono/Stereo switch only affects the rear-panel  
outputs.  
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Mono Operation  
As mentioned previously, only the rear-panel audio outputs are  
affected by the Mono/Stereo switch. The headphone output on the  
front panel of the A-16R is always stereo. This allows the listener to  
have a stereo headphone mix while at the same time using a mono  
subwoofer to enhance low-end response. As an example, when  
performing live, a drummer can connect headphones to the front panel  
headphone output of an A-16R while at the same time the audio signal  
is connected to a mono amp and crossover combination being used to  
create a bass shaker system in the platform he is sitting on.  
To use a mono amplifier, powered speaker, subwoofer, etc., connect  
a standard audio interconnect cable (TRS or XLR type) from the  
audio output on the rear of the A-16R to the audio input on your mono  
device. For best results, set the Mono/Stereo switch to the Mono  
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position.  
Unbalanced audio devices can be connected to the A-16R Personal  
Mixer by using standard guitar-type (or tip-sleeve) cables.  
Balanced Inserts  
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The A-16R is equipped with a stereo insert send/return loop that can  
be used just like the insert points found in many mixing consoles.  
The audio signal from the A-16R can be sent to the inputs of an audio  
processor such as a compressor or limiter. The signal, once processed  
by the device, is then returned to the A-16R signal path via the Return  
jacks.  
The inserts on the A-16R are balanced. You can use either balanced or  
unbalanced audio processors with the A-16R.  
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Audio from the A-16R is sent to the effect device’s inputs.  
The processed sound is heard when the signal from the  
effect is plugged into the A-16R Insert Return jacks.  
The audio signal will not be interrupted when a cable is patched into  
the Insert Send jack. You can use the Insert Send jacks as an additional  
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pair of audio outputs as long as no cables are connected to the Return  
jacks.  
Plugging a cable into the Return jack will interrupt the signal heard  
in the mix outputs (headphones and rear-panel line outputs) and will  
complete the signal path.  
Note: The insert Send/Return loop includes the auxiliary  
Mix In signal in the processing path.  
Signal Flow  
As seen in the diagram below (from left to right):  
• A-Net audio is mixed using the A-16R  
• Signals from the stereo Mix In jacks are mixed in with  
the sixteen-channel A-Net mix  
• The mix goes to the Insert Send/Return loop  
• An effects device processes the mix and returns the  
result to the A-16R via the Return jack  
• The processed signal from the Insert is combined to  
create the final mix that you hear  
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Mix In  
The A-16R includes a convenient auxiliary stereo mix input. The input  
has its own front-panel level control. Signals connected to the Mix In  
are added to the stereo mix in the analog domain, at the point where  
the digital mix is converted back to an analog signal.  
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Any analog line-level signal can be connected to the Mix In jacks.  
Some ideas for connected signals to the Mix In jacks include:  
• Click Tracks  
• Talkback or intercom communications  
• Pre-recorded tracks  
• Cascading other A-Net mixer outputs  
• CD players or other recorded audio devices  
The Mix In jacks can accept a wide variety of signal levels without  
distortion. The connections are balanced TRS jacks.  
A-Control  
A-Control is a special protocol developed to allow the A-16R to be  
controlled by a remote device. Only the optional A-16CS Control  
Surface should be connected to the A-Control jack. The connection  
uses a standard Cat-5 jack and cable.  
With an A-16CS connected to the A-Control jack, the A-16R will  
respond to mix edits and Preset save/recall commands from as far  
away as 200 feet (60 meters). Note that the LOCAL/REMOTE switch on  
the front panel of the A-16R must be in the Remote position in order  
for the A-16CS to be recognized.  
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MIDI I/O  
The A-16R can send its Presets to another device via system exclusive  
(sometimes referred to as SysEx) commands. MIDI is used to save  
banks of sixteen User Presets as a single file to a remote storage device  
such as a computer running MIDI sequencer software. Once stored in  
a remote device, the user’s mix Presets can be reloaded into any A-16R  
that is connected via MIDI.  
The MIDI Preset storage feature makes recalling setups for studios,  
theatres, and touring professionals fast and easy.  
There are three MIDI jacks found on the rear panel of the A-16R,  
labelled In, Out, and Thru.  
• MIDI Out is used to send Preset data from your A-16R  
to another device capable of recording and storing the  
sysex data.  
• MIDI In is used to control the A-16R mix parameters,  
or to send recorded SysEx messages from a storage  
device back into the A-16R  
• MIDI Thru can be used to daisy-chain MIDI devices.  
The Thru jack carries a copy of the data appearing at  
the A-16R MIDI In port.  
A-Net In and Out  
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The A-Net connections on the rear of the A-16R connect the A-16R  
to your audio network. The A-Net In jack accepts signals coming  
from Aviom’s A-Net input modules (AN-16/i, AN-16/i-M, Y1 card, or  
A-16T), another A-16R, an A-16 or A-16II Personal Mixer, or from an  
A-16D or A-16D Pro A-Net Distributor.  
The A-Net Out jack can be used to start a daisy-chain connection.  
By connecting a standard Cat-5 cable from the A-Net Out jack of the  
A-16R to the A-Net In of another A-Net compatible device, you can  
expand your audio network endlessly.  
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A-16CS Control Surface  
Overview  
The A-16CS Control Surface is an optional accessory than can be used  
with the A-16R Personal Mixer. The button layout of the A-16CS is the  
same as found on the original Aviom Personal Mixers, the A-16 and  
A-16II.  
The main differences between the A-16 Personal Mixer and the  
A-16CS Control Surface are on the rear panel. The A-16CS has no  
audio outputs. Also missing are the A-Net In and Out connections.  
Instead, the A-16CS rear panel contains the A-Control connection for  
communication with the host A-16R and a footswitch jack.  
The functions of the front panel buttons and knobs are the same as on  
the A-16R and original A-16 Personal Mixers. For example, to recall a  
User Preset mix, you will still press the RECALL button, and then select  
one of the numbered buttons to select a saved mix.  
The following descriptions detail the functions of the modes and  
functions of the A-16CS.  
Note: Remember that the A-16R front-panel REMOTE/LOCAL  
switch must be in the Remote position in order for button  
presses and knob motions on the A-16CS to be recognized  
by the host.  
The A-16CS Front Panel  
Global Controls  
The three knobs in the upper right section of the A-16CS Control  
Surface affect your overall mix volume and tone directly. The Bass,  
Treble, and Master volume controls are always active, regardless of the  
selected Preset.  
Tone Controls  
Use the Bass and Treble EQ controls to change the overall balance of  
bass or treble frequencies in your mix. These controls affect the entire  
mix, not the individual Channels.  
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The default position for the BASS and TREBLE knobs is at 12 o’clock.  
To add more low frequencies to your monitor mix, turn the BASS  
knob to the right of the 12 o’clock position. To remove lows, turn the  
knob counterclockwise past the center. To change the high-frequency  
content, follow the same procedure; turn the TREBLE knob right to add  
highs, turn left to diminish them.  
The BASS and TREBLE knobs on the A-16CS send control data to the  
host A-16R rack.  
Master Volume  
The overall system volume is controlled by the MASTER volume  
control. Turn it counterclockwise for a full off setting. As a general  
suggestion, start with the Master volume knob at a low setting, and  
raise the volume slowly from that point to a comfortable level.  
Note: Always use caution when adjusting any audio system  
component to avoid potential hearing damage.  
The A-16R volume control is a true Master volume control, even when  
the A-16CS Control Surface is connected. Incoming volume messages  
from the A-16CS Control Surface are scaled by the A-16R front panel  
volume control.  
The A-16R’s front panel volume control is active at all times,  
regardless of the position of the REMOTE/LOCAL switch. The Master  
Volume knob provides overall volume adjustments of the main mix  
level without having to switch to LOCAL mode on the front panel of the  
unit.  
This feature allows an engineer to set the maximum safe volume level  
at the A-16R and know that the user with the A-16CS Control Surface  
will never be able to exceed that amount.  
Note that switching from remote to local control with the REMOTE/  
LOCAL switch may cause an increase in the overall volume, since this  
removes the A-16CS Control Surface from the signal path.  
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Button Behaviors  
There are various combinations of lit and unlit buttons on the A-16CS  
Control Surface. They are the same as those found on the A-16R. Here  
is an overview:  
• Channel buttons have two LEDs, an upper and lower.  
The upper button is red and indicates that the Channel  
is selected. The lower button is yellow; it indicates that  
the Channel is muted. Channel buttons will light solid  
or flash.  
• The RECALL button has one red LED. It flashes when  
the RECALL button is pressed, indicating that you can  
now select a Preset by touching any numbered button.  
• There is one LED in the GROUP button. When the  
GROUP button is pressed, the LED flashes. This  
indicates that you can now build or edit a Group.  
• The RECALL and GROUP buttons will both flash when  
held down simultaneously. This is the Save Mode, as  
indicated by the connecting graphic above the two  
buttons on the front panel.  
• When a Preset is saved, all sixteen Channel buttons  
will flash briefly to confirm the Preset save operation.  
• The SOLO button has one LED. It will light when  
pressed, indicating that the selected Channel or Group  
is now being auditioned with all other Channels being  
muted.  
• The MUTE button has no LED in it. Pressing the MUTE  
button with a Channel selected will cause the Channel’s  
lower (yellow) LED to light.  
There is also one special button combination, the RECALL button  
followed by the MUTE button. When used together this combination  
serves a twofold function:  
• If there is a sudden change in the audio volume coming  
through the monitor system, this button combination  
silences all audio channels instantly.  
• When starting from scratch to create a mix, use this  
function to set all sixteen channels to zero volume and  
all pans to the center settings.  
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Solo  
Mute  
In Recall Mode  
All Volumes  
Zero  
All Volumes Zero  
Select  
Mute  
13  
14  
15  
16  
Note: The text on the right side of the A-16CS Control Surface  
reads “In Recall Mode All Volumes Zero” as a reminder that  
this function is always available.  
Changing Channel Settings  
When the A-16CS Control Surface is used to control an A-16R  
remotely, all edits made on the A-16CS will be reflected immediately  
on the A-16R.  
To make a change to a Channel using the A-16CS Control Surface,  
first select a Channel by pressing a numbered button. Then the  
Channel is available for editing.  
On the A-16CS Control Surface you can change  
•
•
•
•
•
Volume  
Panning for mono channels  
Spread for stereo channels  
Mute status  
Grouping  
In addition to these changes, you can use Solo Mode to audition your  
edits to a Channel while all other Channels are temporarily silenced.  
All mix editing features function as previously described in the A-16R  
section of this document.  
Channel Volume and Pan Control  
When you change the volume of a Channel from the A-16CS, the LEDs  
in the Volume section of the Personal Mixer and A-16CS will move  
simultaneously and will indicate the level changes in real time. There  
are twelve LEDs in the Volume indicator, each capable of displaying  
two levels, for a total of twenty-four visible lighted steps. When no  
LEDs are lit, Channel volume is at its minimum setting.  
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Pan and Volume Controls  
To make changes to a Channel from an A-16CS:  
• Select a Channel by pressing its numbered button—the  
upper LED will light.  
• Rotate the VOLUME knob to the right to increase the  
volume, to the left to lower the volume  
• While the Channel is still selected, you can also change  
the Pan setting. Rotate the PAN knob left or right to  
change the position of the Channel in the stereo field.  
Muting a Channel  
While creating a mix, any Channel or combination of Channels can be  
muted. Likewise any Groups that have been created can also be muted.  
Unlike the Solo Mode, the changes you make with the MUTE button  
can be saved as part of a Preset.  
To mute a Channel from an A-16CS:  
•
•
•
Select a Channel (or Group)  
Press the MUTE button  
The yellow LED in the Channel button lights on both  
the A-16CS and A-16R  
To unmute a Channel or Group:  
•
•
•
Select a muted Channel  
Press the MUTE button  
The yellow LED in the Channel button will go out  
Additional Channels can be muted or unmuted by following the same  
procedure—first select the Channel, then press the MUTE button.  
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Note: Changes made from the A-16CS will be instantly  
reflected on the front panel of the connected A-16R  
Personal Mixer. Remember that the REMOTE/LOCAL  
switch on the A-16R must be in the REMOTE position in  
order for messages from the A-16CS to be received.  
Saving a Mix From the A-16CS  
When creating monitor mixes, you can save your work as a Preset  
remotely from the A-16CS. The Preset itself is stored in inside the  
A-16R, not in the A-16CS. This ensures that the mixes you create are  
always available in the device that is controlling the audio. Also, you  
can move the A-16CS to another A-16R for remote creation of mixes  
and Presets without losing any mix information in the original A-16R.  
To Save a mix as a Preset:  
• Create your mix by setting volume, pan, mutes, and  
groups as desired.  
• On the A-16CS hold down the RECALL and GROUP  
buttons simultaneously.  
• While still holding both buttons, press any numbered  
Channel button.  
• The numbered Channel buttons flash to indicate that  
the Preset is stored.  
Recalling a Preset From the A-16CS  
As mentioned previously, your mixes are stored as Presets inside the  
A-16R. You can recall a mix Preset remotely from the A-16CS. Or, if  
the A-16CS is not available, the same Presets can be recalled from the  
front panel of the A-16R.  
To recall a Preset from the A-16CS:  
• Press the RECALL button.  
• The RECALL button will flash.  
• Select a numbered button (1 to 16) corresponding to the  
Preset mix that you want to recall.  
• When the button is pressed, the mix is recalled and is  
now available and can be edited if desired.  
When a Preset is selected from the remote control, the same numbered  
LED on the front panel of the A-16R will flash briefly to indicate that  
the preset has been loaded.  
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Note: Remember that the REMOTE/LOCAL button on the  
front panel of the A-16R must be in the REMOTE  
position to save or recall Presets from the A-16CS.  
Display the Current Preset Number  
This function displays the last recalled or saved Preset number when  
in Save Mode. This is useful when editing Presets to help avoid  
overwriting a Preset you want to preserve in memory.  
In Save Mode the current Preset will blink on the A-16CS channel  
button LED’s. To check the current Preset:  
• Hold down the RECALL and GROUP buttons.  
• The current Preset number’s LED blinks.  
• Release the RECALL and GROUP buttons to exit without  
saving a Preset  
• To save a Preset, press any Channel button; the Preset  
is saved to that location.  
When checking the current Preset by using this method, remember that  
the system does not indicate that the Preset may have been modified. It  
simply indicates the last Preset recalled or saved.  
The A-16CS Rear Panel  
On the rear panel of the A-16CS Control Surface you will find only  
two jacks, one for a footswitch, the other for the A-Control input.  
A-Control  
Communication between the A-16CS and its host A-16R is managed  
by a proprietary protocol known as A-Control. This allows the remote  
A-16CS to send commands to the A-16R mixer for creating and editing  
mixes, and for storing and recalling Presets.  
All A-16R front-panel editing commands are available from the  
A-16CS. You cannot, however control the analog insert send and return  
jacks or the Mix In level from the A-16CS. These are analog controls.  
A single Cat-5 cable is used to connect the A-16CS to the A-16R.  
Cables can be up to 200 feet in length.  
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Footswitch Jack  
The A-16CS can use any standard dual-pedal footswitch to select  
Presets in the A-16R. When using a dual pedal, the right-side pedal is  
used to move forward through the Preset list. The left pedal is used to  
move backward through the Preset list from the current selection.  
For example, if you have just loaded Preset 7 (by pressing the RECALL  
button followed by the number 7 button), pressing the right pedal once  
will move to Preset 8. Pressing the left pedal will move down one,  
returning you to Preset 7. Another press of the left pedal loads Preset  
6, and so on. Changes are reflected on the A-16CS and its connected  
A-16R host.  
As with other operations involving the A-16CS, the REMOTE/LOCAL  
switch must be in the REMOTE position in order for the footswitch  
to be functional. When a Preset is selected via the footswitch, the  
corresponding numbered button’s LED on the front panel of the A-16R  
will flash to indicate that the Preset has been loaded.  
The Footswitch jack uses a TRS connection, designed for dual foot  
pedals. However, you can substitute a single footswitch (one that has  
only a tip-sleeve connection) if necessary. The Presets will move up  
only, and will wrap around from Preset 16 to Preset 1 at the end of the  
Preset list as described previously.  
The footswitch can be either a normally open or normally closed type.  
The pedal is scanned by the system software to determine which type  
it is, and to determine what the “up” state of the switch is. The foot  
pedal should be connected when the system is powered up. If you  
change pedals while the system is in use, you may need to power cycle  
the unit if the type of pedal is different.  
Note: When selecting Presets with a footswitch, the  
selections will wrap around and start over after you  
reach the last numbered Preset.  
For example, when moving forward through the  
Preset list from Preset 14, after two presses of the  
right footswitch you will be at Preset 16. One more  
press of the same footswitch will select Preset 1, the  
first Preset in the list. Additional presses of the right  
footswitch continue selecting Preset 2, Preset 3, etc.  
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MIDI  
The A-16R supports MIDI communication via system exclusive  
(SysEx) messages. System Exclusive messages (sometimes  
referred to as data dumps) are designed to allow compatible  
devices to send and receive digital data, providing such  
functions as preset storage and/or parameter editing. System  
exclusive messages contain device-specific information that  
allow connected MIDI devices to identify compatible data and  
ignore data destined for other devices connected in a MIDI  
network.  
On the A-16R the REMOTE/LOCAL switch is used to select the MIDI  
status:  
• In the LOCAL position, MIDI is on.  
• In the REMOTE position, MIDI is disabled.  
Remote  
Midi Off  
Local  
Midi On  
Phones  
MIDI Jacks  
The A-16R has MIDI In, Out, and Thru jacks on the rear panel  
to enable the A-16R to be connected to a computer, MIDI  
interface, keyboard workstation, or other compatible MIDI  
device.  
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MIDI In  
Connect the A-16R MIDI In jack to the MIDI output of a device in  
your MIDI system. The MIDI In jack is used to receive data from an  
external device. Data received at the MIDI In jack will be echoed to  
the MIDI Thru jack automatically. This allows multiple A-16Rs or  
other MIDI devices to be connected in a serial manner.  
MIDI Out  
The MIDI Out jack carries MIDI information and commands  
generated by the A-16R. Connect the A-16R MIDI Out jack to the  
MIDI In jack on a compatible MIDI recording or storage device.  
MIDI Thru  
The Thru jack is used when daisy-chaining MIDI devices. Any MIDI  
information received at the MIDI In jack is passed on to the MIDI  
Thru jack without alteration. An unlimited number of devices can be  
connected in this manner without the need for a MIDI Interface or  
computer.  
Note: Check that the MIDI cables between your A-16R and MIDI  
recording devices are properly connected and configured  
before attempting data transfers.  
A-16R MIDI Base Channel  
This feature allows the user to assign a MIDI channel to an A-16R, and  
to check the value of the MIDI base channel that is currently assigned.  
Sixteen MIDI channels are used; the A-16R can be set to any of the  
sixteen available channels. The sixteen MIDI channels correspond to  
the A-16R’s channel LEDs and buttons, numbered 1 through 16.  
MIDI automation allows devices to be controlled from a computer  
running MIDI sequencing software or from other types of MIDI  
controllers. To support the use of MIDI automation, it is necessary for  
the A-16R to respond to channel-specific MIDI messages.  
Display the MIDI Base Channel  
The display and assignment of a MIDI Channel is accomplished by  
using the REMOTE/LOCAL switch on the A-16R Personal Mixer’s front  
panel.  
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To check the currently assigned MIDI channel:  
• Move the REMOTE/LOCAL switch from the Remote  
position to the Local/MIDI position.  
• Note that one of the Channel LEDs will blink for  
a few seconds. The Channel LED that is blinking  
corresponds to the MIDI channel that is currently  
assigned to the A-16R.  
To change the currently assigned MIDI channel:  
• Hold down the desired Channel button on the A-16R  
while switching from Remote to Local/MIDI mode  
with the REMOTE/LOCAL switch.  
•The selected Channel’s LED will blink temporarily,  
indicating the MIDI channel is now assigned.  
The A-16R MIDI channel is retained in non-volatile memory, meaning  
that the MIDI channel is remembered when the unit is powered down.  
This means that sixteen different A-16Rs can be assigned to unique  
MIDI channels allowing a separate automated mix for each A-16R to  
be driven from a multi-track sequencer, for example.  
The A-16R MIDI channel can only be assigned from the front panel  
of the A-16R, not from the A-16CS Control Surface. The default MIDI  
base channel programmed at the factory is channel 1.  
MIDI Automation  
An A-16R can be controlled remotely via MIDI, allowing automated  
mixing of multiple A-16Rs in a performance situation. This allows a  
user to have a custom monitor mix, but with a remote device such as a  
MIDI sequencer making the changes.  
The A-16R will support MIDI control of Channel Volume, Pan, and  
Mute settings, as well as Channel Selection and Preset Recall. The  
A-16R listens to MIDI channel voice messages which are broadcast  
on the A-16R’s assigned MIDI channel. To do this, the LOCAL/REMOTE  
switch on the A-16R must be in the Local/MIDI position, and the unit  
must be in normal Mix Mode.  
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The A-16R will respond to the following MIDI messages:  
MIDI  
Message:  
Controller  
or Program  
Value:  
Result:  
Program  
Change:  
0-15  
Recalls Presets 1-16  
Selects Channels 1-16  
Program  
Change:  
16-31  
0-127  
Controller 7:  
Mapped to Current  
Channel Volume (min. to  
max.)  
Controller 10:  
0-127  
Mapped to Current  
Channel Pan (left to right)  
Controller 104:  
Controller 105:  
any  
any  
Mutes the Current Channel  
Unmutes the Current  
Channel  
Note that MIDI Controller 10 will be mapped to control Linked  
Channel Spread if STEREO LINK is active for the currently selected  
channel. (This is set from the front panel of the A-16T, AN-16/i-M,  
or AN-16/i Input Modules, or from the DIP switches on the Y1 A-Net  
card.) In that scenario, the stereo spread will increase as the controller  
value increases. If a Group is active, MIDI pan will be ignored, since  
Group panning must be set per channel when the Group is being  
configured.  
Some points to remember about MIDI:  
• The A-16R will only respond to MIDI control messages  
that are sent on the MIDI channel that the A-16R is  
assigned to.  
• The A-16R can only listen to MIDI when in Lo-  
cal/MIDI mode. This means that it is not possible to  
use MIDI automation while using an A-16CS Control  
Surface.  
• A-16R front panel controls are not sent out via MIDI;  
the MIDI Out jack on the A-16R is only used for SysEx  
data dumps of Preset files.  
Data Storage  
Two types of MIDI SysEx data can be generated by the A-16R,  
single preset files and files that contain all sixteen user Presets.  
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The A-16R can send the following data types from the MIDI  
Out jack:  
• Single Preset files - the current system settings includ-  
ing volume, pan, mute, and group information are  
transmitted.  
• All Preset files - the sixteen saved user Presets are  
transmitted as a single data dump.  
The A-16R can receive the following sysex data types:  
• Single Preset files - saved mix information is loaded  
into the current mix state.  
• All Preset files - the A-16R’s current sixteen mix  
Presets are replaced with the data from a set of sixteen  
saved Presets.  
The A-16R is capable of saving and restoring Presets via MIDI only  
when the front panel REMOTE/LOCAL switch is in the LOCAL position.  
In the REMOTE position, MIDI communication is disabled.  
Note: The MIDI Thru jack will always echo data  
appearing at the MIDI In jack regardless of the  
position of the REMOTE/LOCAL switch.  
Saving Presets  
The A-16R can save Preset information to the internal memory  
or via MIDI SysEx any time it is in Save Mode. The A-16R Save  
Mode is entered by holding down the RECALL and GROUP buttons  
simultaneously. Holding the RECALL and GROUP button combination  
flashes the Recall and Group LEDs to indicate that you can save  
Presets.  
To save a Preset to internal memory, you press a numbered Channel  
button to store the current mix at the selected location.  
To save a Preset or group of presets via MIDI, the SOLO and MUTE  
buttons are used in combination with the RECALL and GROUP buttons.  
Save One Mix Preset via MIDI  
To save the current mix as a Preset via MIDI SysEx:  
1. Recall a Preset (or edit a Preset to create a new mix)  
including volume, pan, mutes and groups for up to  
sixteen channels of audio as required. Editing can be  
done from the front panel of the A-16R or from the  
optional A-16CS.  
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2. Set the A-16R front panel Remote/Local switch to the  
LOCAL (MIDI On) position.  
3. Set up your MIDI recording device so that it is ready to  
receive MIDI SysEx data.  
4. Hold the RECALL and GROUP buttons down to enter  
Save Mode.  
5. While still holding the RECALL and GROUP buttons,  
press the SOLO button. (After pressing the SOLO button,  
you can release the RECALL and GROUP buttons.)  
6. The current mix is sent out from the A-16R to the MIDI  
recording device as a data dump.  
7. Save your MIDI SysEx data to disk or other storage  
media used by your MIDI recording device or software  
application.  
When transmitting a single Preset, the sixteen yellow Mute LEDs  
will light solid for the duration of the transmission to verify the  
send operation. For single preset file dumps this will be relatively  
brief. (Note that there is no way that the A-16R can know that the  
MIDI Preset data file was received properly by the device that the  
transmission was intended for.)  
Saving All Mix Presets via MIDI  
To save the currently saved set of sixteen mix Presets as a single MIDI  
SysEx data file:  
1. Make sure that the A-16R front panel REMOTE/LOCAL  
switch is set to the LOCAL (MIDI On) position.  
2. Set up your MIDI recording device so that it is ready to  
receive MIDI SysEx data.  
3. Hold the A-16R front panel RECALL and GROUP buttons  
down to enter Save Mode.  
4. While still holding the RECALL and GROUP buttons,  
press the MUTE button. (You can then release the  
RECALL and GROUP buttons.)  
5. The contents of the internal memory of the A-16R  
is sent to the MIDI recording device as a single data  
dump.  
6. Save your MIDI SysEx data to disk or other storage  
media as used by your MIDI recording device.  
During the transmission of the Preset memory, the sixteen yellow  
Mute LEDs in the Channel buttons will light solid for the duration of  
the SysEx transmission.  
Note that only the sixteen saved Presets are transmitted as MIDI data.  
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If you have edited a mix and have not stored it to a memory location,  
this mix will not be recalled when the SysEx data is loaded into the  
A-16R later.  
Loading . via MIDI  
The A-16R can load Presets saved as either single Preset files or as All  
Preset files that include the complete set of sixteen memory locations.  
As when recalling a Preset from the internal memory, you must first  
enter Recall Mode to load a Preset. (Recall Mode on the A-16R is  
entered by pressing the RECALL button.)  
Remember that you need to have MIDI cables properly connected  
between the A-16R and your MIDI recording devices to load presets.  
Connect MIDI Out from your storage device to MIDI In on the A-16R.  
Loading One Preset via MIDI  
To load a single Preset that was saved to a MIDI recording device, the  
A-16R must first be placed into Recall Mode. Remember that MIDI  
reception is activated only when the front panel REMOTE/LOCAL switch  
is in the LOCAL position.  
While waiting for valid MIDI SysEx information, the A-16R will  
remain in MIDI Recall until a valid A-16R MIDI message is received,  
or until you press another front panel button to exit MIDI mode. SysEx  
information for other manufacturer’s devices will pass through the  
A-16R and be ignored.  
To load one Preset:  
1. Set the A-16R REMOTE/LOCAL switch to the LOCAL posi-  
tion.  
2. Press the RECALL button. The RECALL button LED  
flashes.  
3. Press the SOLO button to arm the A-16R for MIDI  
reception. The LED in the SOLO button will blink.  
4. Send the single Preset SysEx data from your MIDI  
storage device.  
5. The Preset is loaded into internal memory and is ready  
to be used as is and/or edited.  
6. Save your Preset to an internal memory location.  
When a SysEx transfer is complete, the system will display a status  
message to confirm that the data was received properly. Two messages  
are possible:  
• Valid Data Received - all yellow Mute LEDs will flash  
• Invalid Data or MIDI Error - all red Channel LEDs will  
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flash  
Press any A-16R button to acknowledge the transfer status message  
and return the A-16R to normal operation.  
Loading an All Preset File via MIDI  
As when loading a single Preset via SysEx, to load an All Preset data  
file the A-16R must first be placed into MIDI Recall Mode.  
The A-16R will remain in MIDI Recall until a valid A-16R MIDI  
message is received, or until another front panel button is pressed to  
exit MIDI mode. MIDI SysEx information for other manufacturer’s  
devices will pass through the A-16R and be ignored.  
To load an All Preset data file via SysEx:  
1. Set the A-16R front panel REMOTE/LOCAL switch to the  
LOCAL position.  
2. Press the RECALL button. The RECALL button LED  
flashes.  
3. Press the SOLO button to arm the A-16R for MIDI  
reception. The LED in the SOLO button will blink.  
4. Send the All Preset SysEx data file from your MIDI  
storage device.  
5. The sixteen Presets are loaded into the A-16R internal  
memory sequentially.  
6. The Mute LEDs will serve as a progress bar. The  
LEDs will light in order from 1 to 16 as each Preset is  
received successfully.  
When the All Preset SysEx file transfer is complete, the system  
will display a status message to confirm that the data was received  
properly. Two messages are possible:  
• Valid Data Received - all yellow Mute LEDs will flash  
• Invalid Data or MIDI Error - all red Channel LEDs will  
flash  
Press any A-16R button to acknowledge the transfer status message  
and return the A-16R to normal operation.  
Exit MIDI Mode  
You can exit an All Preset SysEx load operation by pressing any A-16R  
front panel button, or by changing the position of the Remote/Local  
switch. Presets that have been successfully received prior to exiting  
the SysEx recall mode will be preserved in the internal memory of  
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the A-16R. The remaining internal Preset memory of the A-16R will  
remain unaltered.  
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Troubleshooting  
Before contacting Customer Service, check the following list of  
common problems and solutions for help.  
Problem:  
Possible Solutions:  
• No input audio from the main mixing console. Check  
No audio from the Personal Mixer outputs  
the levels of the main mixing board that the system is  
connected to.  
• Check the cables and connections between the main  
mixer and the A-Net system’s input module. The Signal  
LEDs on the front of the A-Net input modules can be  
used to confirm that audio is being received.  
• Bad cables; try a replacement.  
• All Channels on the Personal Mixer are at zero.  
• Master Volume level on the A-16R Personal Mixer is at  
zero.  
• A-Net cables are not connected properly.  
Problem:  
Can’t change Presets  
Possible Solutions:  
• Make sure that the RECALL button has been pressed.  
Its LED will flash, indicating that you should press a  
numbered button to recall a Preset.  
• When using the A-16CS with the A-16R, check the  
position of the REMOTE/LOCAL switch.  
Problem:  
Can’t hear a Channel that is part of a Group  
Possible Solutions:  
• The Group might be muted. Check the lower (yellow)  
LED in the Channel buttons. A lit yellow LED indicates  
the Channel is muted. To unmute it, press the MUTE  
button while the Group is selected. The yellow LED  
must be unlit in order to hear the audio on that channel.  
• The Channel volume is all the way down. In Group  
edit mode, select the Channel and check the level for  
that Channel by looking at the LEDs in the Volume  
indicator. If no LEDs are lit, then the Channel is turned  
all the way down. Raise the volume by turning the  
Channel VOLUME knob; re-save the Group and Preset if  
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necessary.  
Problem:  
Possible Solutions:  
• The A-Net Active LED indicates that the input to the  
The A-Net LED is on, but there is no sound  
receiving device is properly connected to another  
A-Net device. It does not indicate that all devices in a  
system are properly configured, however. If you have  
two Personal Mixers connected together, the second  
Personal Mixer’s A-Net LED will light because the first  
Personal Mixer is correctly connected to it. Check that  
each device in the chain has a Category 5 cable plugged  
into it.  
• Check that the A-Net cables are connected in the  
correct order when using daisy-chain connections.  
The Cat-5 cable connected to the first Personal Mixer  
should be connected to the A-Net In jack. The next  
device is connected from the Out on the first device to  
the In on the next.  
Problem:  
A Preset was saved with a stereo link active but when the  
Preset is recalled the channels are mono. (Or, a Preset was saved with  
mono channels, but on recall the Channels are linked.)  
Possible Solutions:  
• The status of the stereo link is set by the front panel  
Link switches on the A-Net input module (or the DIP  
switches on the Y1 card). If a Preset is recalled and the  
position of the Link switch is different from when the  
Preset was saved, the Preset will be adjusted to agree  
with the current hardware settings on the A-Net input  
module. If this happens, simply change the position  
of the Link switch on the A-Net input module. Your  
current mix will be updated immediately.  
Problem:  
A Channel was assigned to one Group and now it is  
suddenly part of a different Group.  
Possible Solutions:  
• When you link a stereo Channel pair with the Link  
switch on the A-Net input module after a Group has  
been created, it is possible that channel characteristics  
could change. This includes the volume, pan, mute  
status, and Group assignment. The rule to remember is  
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that the even-numbered channel (the right side of the  
pair) will inherit the characteristics of the odd-num-  
bered channel (left side of the pair).  
Problem:  
When editing a Group that contains a large number of  
Channels, it seems like all of the LEDs are pulsing.  
Possible Solutions  
• This is a normal effect of the current-limiting circuit  
and is not an indication of a problem.  
Problem:  
Possible Solutions:  
• When saving a Preset, make sure that the RECALL and  
Don’t know if a Preset was saved.  
GROUP buttons are both held down before pressing a  
memory location button. The Preset is saved when you  
release your finger from the memory location button.  
When a Preset has been saved correctly, you will see all  
sixteen Channel LEDs flash momentarily to confirm  
the save operation.  
Problem:  
In Group mode, can’t select a new Channel.  
Possible Solutions:  
• If you already have three Groups defined and attempt  
to select a new Channel that is not part of an existing  
Group, the button press is ignored. This happens when  
you are trying to create a new Group which would  
exceed the limit of three Groups per Preset. Edit or  
delete an existing Group to continue.  
Problem:  
Nothing happens when editing from the front panel of  
the A-16R. Or, nothing happens when trying to edit the A-16R remotely  
using an A-16CS Control Surface.  
Possible Solutions:  
• The switch on the right side of the rack mounted A-16R  
labelled REMOTE/LOCAL determines which device is  
active for editing.  
• When using an A-16CS, make sure that the A-Control  
cable is connected to the A-Control jack found on the  
rear panel of the A-16R.  
Note that only one device can edit an A-16R at a time.  
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Specifications  
A-16R Personal Mixer  
Sample Rate  
44.1-48kHz +/-10%  
24 bit  
Bit Depth  
Signal to Noise Ratio (Referenced to  
0dB)  
-103dB  
Treble (shelving)  
+/- 12dB at 9kHz  
+/- 12dB at 160Hz  
30 - 600 ohm  
Bass (shelving)  
Headphone Impedance Range  
Balanced line output impedance  
Maximum Levels Line/Headphone  
outputs  
430 ohms  
+20dBu  
Impedance Headphone outputs  
140 ohms  
Max Level (RMS)  
110 mW into 60 ohms  
182 mW into 140 ohms  
Pre-EQ  
Max Level (RMS)  
Mix In (balanced TRS)  
Mix In - Input Impedance  
Mix In - maximum input level  
55k ohms  
+20 dBu  
Insert Send Impedance (balanced TRS)  
Insert Return Impedance (balanced  
TRS)  
430 ohms  
57.4k ohms  
Post-EQ, pre-master  
volume  
Insert Send/Return  
Maximum Send output level  
+20 dBu  
Dimensions  
Weight  
1U high by 7.5” deep  
6.5 lbs.; 2.95 kilo  
90-240 volts; 50/60Hz  
30VA  
24Vdc; 0.5A  
Outer = Negative;  
Inner = Positive  
auto switching  
Power Supply Input Voltage  
Power Supply Output  
Polarity  
Power Supply type  
A-16CS Control Surface  
Dimensions  
10.75”w, 5.6” deep  
3.4 lbs.; 1.55 kilo  
Weight  
Communication protocol  
A-Control  
dual, TRS, auto  
detection  
Footswitch  
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MIDI Implementation Chart  
Product: Aviom A-16R Personal Mixer  
Function...  
Transmitted  
n/a  
Recognized  
n/a  
Remarks  
Basic  
Channel  
Default  
Changed  
sysex data  
is channel  
independent  
Mode  
Default  
Messages  
Altered  
************  
************  
Note  
Number  
True Voice  
Velocity  
Note On  
Note Off  
x
x
x
x
After-  
touch  
Key’s  
Channel  
x
x
x
x
Pitch Bend  
x
x
Control  
Change  
Program  
Change  
True Number  
x
o
x
o
System  
Preset Data  
Dumps  
Exclusive  
System  
Common  
Song Position  
Song Select  
Tune Request  
x
x
x
x
x
x
System  
Real Time  
Clock  
Commands  
x
x
x
x
Aux  
Messages  
Local On/Off  
All Notes Off  
Active  
x
x
x
x
x
x
x
x
Sensing  
System Reset  
Notes  
Mode 1: Omni On, Poly  
Mode 3: Omni Off, Poly  
Mode 2: Omni On, Mono  
Mode 4: Omni Off, Mono  
o: Yes  
x: No  
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MIDI System Exclusive  
Implementation  
version 1.00 for Aviom A-16R  
1. Introduction and Overview  
This document is designed to aid in the understanding of the A16R’s MIDI  
System Exclusive (SysEx) implementation. MIDI SysEx support for the  
A16R product includes messages that allow for uploading and downloading  
of all sixteen system presets or the current active configuration also referred  
to in this document as the current preset. Described in this document is  
the implementation of these features. In order to utilize these features the  
A16R may be interfaced to any MIDI management device such as a personal  
computer with MIDI software or stand alone devices such as MIDI SysEx  
recorders/sequencers.  
1.1. Transmit Flow  
Shown below is the basic transmit flow for the currently supported/  
implemented MIDI system exclusive messages on the A16R.  
����  
���  
����������������  
�������������������  
Figure 1 - MIDI Transmit Flow  
1.2.  
Receive Flow  
Shown below is the basic receive flow for the currently supported/implemented  
MIDI system exclusive messages on the A-16R.  
����  
��  
����������������  
�������������������  
Figure 2 - MIDI Receive Flow  
2.  
MIDI System Exclusive Packet Pieces  
A MIDI SysEx packet can be thought of as a group or collection of bytes that  
contain a start indicator referred to as the “SysEx Head”, “Message Data”  
which may contain control or status information and a “SysEx Tail” which  
terminates/ends the packet. Described below is an overview of a generic MIDI  
SysEx packet structure.  
SysEx Head  
Message Data  
SysEx Tail  
Figure 3 - MIDI General Packet Structure  
The specifics and mechanics of the various packet pieces are described in the  
subsequent sections.  
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2.1.  
MIDI System Exclusive Packet Head  
Several data bytes define the “SysEx Packet Head.” Among these are  
the standard “Start of Exclusive” also known as SOX, a standard MIDI  
Manufacturer’s ID assigned by the MIDI Manufacturers Association (MMA)  
and Aviom proprietary product and message type identification. SysEx  
messages that contain incorrect or unknown ID information or unsupported  
message types are ignored by the A-16R without generating error indications.  
The MIDI SysEx packet head of an A-16R SysEx packet is described below.  
SOX  
1111 0000  
0000 0000  
(F0H)  
(00H)  
Start of Exclusive  
Manufacturer’s  
ID  
Aviom  
Manufacturer’s ID  
Byte 1  
0000 0001  
0100 0101  
(01H)  
(45H)  
Aviom  
Manufacturer’s ID  
Byte 2  
Aviom  
Manufacturer’s ID  
Byte 3  
Family ID  
Product ID  
Device ID  
Msg. Type  
0000 0000  
0000 0000  
0000 0000  
(00H)  
(00H)  
(00H)  
-
(A16 Family)  
(A-16R Product)  
(expansion)  
0mmm  
mmmm  
See table 1 for valid  
message types  
Msg. Descriptor  
0000 0000  
0000 0000  
0000 0000  
0000 0000  
0000 0000  
0000 0000  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
Message Descriptor  
Byte 1 (expansion)  
Message Descriptor  
Byte 2 (expansion)  
Message Descriptor  
Byte 3 (expansion)  
Message Descriptor  
Byte 4 (expansion)  
Message Descriptor  
Byte 5 (expansion)  
Message Descriptor  
Byte 6 (expansion)  
2.2.  
MIDI System Exclusive Packet Tail  
Every complete MIDI System Exclusive message should contain a Trailer/Tail  
byte referred to as an “End of Exclusive” or EOX for short. Reception of  
implemented System Exclusive messages in the A-16R that do not contain an  
EOX will be treated as incomplete and flagged as an error.  
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EOX  
2.3.  
1111 0111  
(F7H)  
End of Exclusive  
Message Data Format  
There are essentially two basic data byte formats used in the “Message Data”  
section of an A-16R’s SysEx message. The first format is a nibblized format  
and the second is a padding format. In general the “Message Data” of the  
A-16R’s SysEx message is nibbilized or broken up into MIDI seven bit status  
bytes. In this nibblization process one data byte becomes two bytes. The  
upper 4 Bits or upper nibble of the first byte is fixed while the lower 4 Bits or  
lower nibble contains the Most Significant Bits (MSB) of the data byte being  
“nibblized.” Similarly, the upper nibble of the second byte is fixed while the  
lower nibble contains the Least Significant Bits (LSB) of the data byte.  
MSB  
LSB  
0001 hhhh  
0001 llll  
h = high 4 bits of data byte - sent first  
l = low 4 bits of data byte  
The second basic data byte format used in the “Message Data” section is  
the padding format. Padding is inserted between presets in order to provide  
necessary delays to allow for preset processing.  
Padding  
0000 0000  
(00H)  
Padding byte format, ignored  
by A-16R  
2.4.  
Checksum Calculation  
The preset checksum is calculated by a straight 8-Bit addition of all preset  
data bytes, excluding the preset ID, prior to nibblization. In the event of an  
overflow the overflow will be discarded in this scheme. Once the checksum  
has been calculated, the 8- Bit result is then nibblized for transmission and  
inserted into the MIDI SysEx message. In the case of the All Presets Message  
several checksums are included in the MIDI SysEx message, one for each  
preset contained within the message.  
2.5.  
Receiver Errors  
Many events may result in errors being generated. For example, if the received  
checksum doesn’t match the calculated checksum or if reception of a channel  
voice message occurs in the middle of a SysEx message, a SysEx failure/error  
will be generated. When an error is detected on the A-16R, the SysEx progress  
LEDs (also known as the mute LEDs) will stop updating and the failure will be  
indicated by flashing the channel select LEDs. The SysEx error can only be  
acknowledged and cleared by the users pressing a button on the A-16R’s front  
panel or by toggling the remote/local switch.  
3.  
Message Type List  
Currently there are only two SysEx message types implemented in the A-16R.  
A single byte location exists in each SysEx message, supported by the A-16R,  
to identify the message type.  
Message Type  
Encoded Value  
Reference  
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MIDI All  
Presets  
00H  
01H  
Figure 4 and Section 4  
Figure 5 and Section 5  
MIDI Current  
Preset  
Table 1 - A-16R SysEx Message Types  
MIDI All Presets (Message Type = 00H)  
3.1.  
Listed below is an overview of the complete “MIDI All Presets” message. This  
message contains data for all 16 presets transferred to or from the A-16R. All  
portions of this message are included in the figure including, “SysEx Head”,  
“Message Data” , and “SysEx Tail.”  
MIDI All Presets  
SOX  
1 Byte  
Manufacturer’s ID  
3 Bytes  
Family ID  
Product ID  
Device ID  
Msg Type  
1 Byte  
1 Byte  
1 Byte  
1 Byte  
Msg Descriptor (spare)  
6 Bytes  
Nibblized  
Nibblized  
Nibblized  
Preset ID  
Preset Data  
2 Bytes  
112 Bytes  
2 Bytes  
Preset Data Checksum  
Trailer (40H)  
617 Bytes  
1 Byte  
Padding (zeros)  
Preset ID  
500 Bytes  
9,887 Bytes  
Preset Data  
Preset Data Checksum  
Trailer (40H)  
9,872 Bytes  
Padding (zeros)  
.
.
.
Preset ID  
Preset Data  
Preset Data Checksum  
Trailer (40h)  
Padding (zeros)  
EOX  
1 Byte  
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3.2.  
MIDI Current Preset (Message Type = 01H)  
Listed below is an overview of the complete “MIDI Current Preset” message.  
This message contains data for the current active configuration transferred  
to or from the A-16R. All portions of this message are included in the figure  
including, “SysEx Head”, “Message Data” , and “SysEx Tail.”  
MIDI Current Preset  
SOX  
1 Byte  
Manufacturer’s ID  
3 Bytes  
Family ID  
Product ID  
Device ID  
Msg Type  
1 Byte  
1 Byte  
1 Byte  
1 Byte  
632 Bytes  
Msg Descriptor (spare)  
6 Bytes  
Nibblized  
Nibblized  
Nibblized  
Preset ID - 0 (00H)  
Preset Data  
2 Bytes  
112 Bytes  
2 Bytes  
1 Byte  
Preset Data Checksum  
Trailer (40H)  
617 Bytes  
Padding (zeros)  
EOX  
500 Bytes  
1 Byte  
Figure 5 - MIDI Current Preset Message  
4.  
MIDI All Presets Detail  
Listed below is a more detailed picture of the “MIDI All Presets” message as  
implemented on the A-16R.  
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SOX  
1111  
0000  
(F0H)  
(00H)  
(01H)  
(45H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(10H)  
(10H)  
...  
Start of Exclusive  
Manufacturer’s  
ID  
0000  
0000  
Aviom Manufacturer’s ID  
Byte 1  
0000  
0001  
Aviom Manufacturer’s ID  
Byte 2  
0100  
0101  
Aviom Manufacturer’s ID  
Byte 3  
Family ID  
0000  
0000  
(A16 Family)  
(A-16R Product)  
(expansion)  
Product ID  
Device ID  
0000  
0000  
0000  
0000  
Msg. Type  
0000  
0000  
Message Type = MIDI_ALL_  
PRESETS_MSG  
Msg. Descriptor  
0000  
0000  
Message Descriptor Byte 1  
(expansion)  
0000  
0000  
Message Descriptor Byte 2  
(expansion)  
0000  
0000  
Message Descriptor Byte 3  
(expansion)  
0000  
0000  
Message Descriptor Byte 4  
(expansion)  
0000  
0000  
Message Descriptor Byte 5  
(expansion)  
0000  
0000  
Message Descriptor Byte 6  
(expansion)  
Preset ID  
0001  
0000  
Nibblized First Preset ID  
(MSB)*  
0001  
0000  
Nibblized First Preset ID  
(LSB)*  
Preset Data  
...  
112 consecutive bytes  
containing info for one preset  
Preset  
Checksum  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (MSB)  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (LSB)  
Preset Trailer  
Padding  
0100  
0000  
(40H)  
...  
Indicates end of a given preset  
...  
500 consecutive bytes of the  
pattern 00H  
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Preset ID  
0001  
0000  
(10H)  
Nibblized Second Preset ID  
(MSB)*  
0001  
0001  
(11H)  
Nibblized Second Preset ID  
(LSB)*  
Preset Data  
...  
...  
112 consecutive bytes  
containing info for one preset  
Preset  
Checksum  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (MSB)  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (LSB)  
Preset Trailer  
Padding  
0100  
0000  
(40H)  
...  
Indicates end of a given preset  
...  
500 consecutive bytes of the  
pattern 00H  
|
|
Preset ID  
0001  
0000  
(10H)  
Nibblized Last Preset ID  
(MSB)*  
0001  
1111  
(1FH)  
Nibblized Last Preset ID  
(LSB)*  
Preset Data  
...  
...  
112 consecutive bytes  
containing info for one preset  
Preset  
Checksum  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (MSB)  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (LSB)  
Preset Trailer  
Padding  
EOX  
0100  
0000  
(40H)  
...  
Indicates end of a given preset  
...  
500 consecutive bytes of the  
pattern 00H  
1111  
0111  
(F7H)  
End of Exclusive  
* - Valid preset  
range 0-15  
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5.  
MIDI Current Preset Detail  
Listed below is a more detailed picture of the “MIDI Current Preset” message  
as implemented on the A-16R.  
SOX  
1111  
0000  
(F0H)  
(00H)  
(01H)  
(45H)  
(00H)  
(00H)  
(00H)  
(01H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(00H)  
(10H)  
(10H)  
...  
Start of Exclusive  
Manufacturer’s  
ID  
0000  
0000  
Aviom Manufacturer’s ID  
Byte 1  
0000  
0001  
Aviom Manufacturer’s ID  
Byte 2  
0100  
0101  
Aviom Manufacturer’s ID  
Byte 3  
Family ID  
Product ID  
Device ID  
Msg. Type  
0000  
0000  
(A16 Family)  
(A-16R Product)  
(expansion)  
0000  
0000  
0000  
0000  
0000  
0001  
Message Type = MIDI_  
CURRENT_PRESET_MSG  
Msg.  
Descriptor  
0000  
0000  
Message Descriptor Byte 1  
(expansion)  
0000  
0000  
Message Descriptor Byte 2  
(expansion)  
0000  
0000  
Message Descriptor Byte 3  
(expansion)  
0000  
0000  
Message Descriptor Byte 4  
(expansion)  
0000  
0000  
Message Descriptor Byte 5  
(expansion)  
0000  
0000  
Message Descriptor Byte 6  
(expansion)  
Preset ID  
0001  
0000  
Unused  
0001  
0000  
Unused  
Preset Data  
...  
112 consecutive bytes  
containing info for one preset  
Preset  
Checksum  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (MSB)  
0001  
nnnn  
-
Nibblized Preset Data  
Checksum (LSB)  
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Preset Trailer  
Padding  
EOX  
0100  
0000  
(40H)  
...  
Indicates end of a given preset  
...  
500 consecutive bytes of the  
pattern 00H  
1111  
0111  
(F7H)  
End of Exclusive  
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Index  
Symbols  
All Volumes Zero 28, 48  
AN-16/i 38, 44  
AN-16/i-M 38, 44  
AN-16/i-M Mic Input Module 1  
AN-16/i Input Module 1  
AN-16/o 38  
AN-16/o Output Module 1  
Assign Base Channel  
MIDI 54  
Audio Connections 6  
Audio Connections, Inputs 18  
Audio Connections , Outputs 18  
Audio Outputs 38  
1/4-inch TRS jacks 39  
A
A-16CS 26, 29, 42, 45, 51  
cable length, A-Control 51  
Control Surface 7, 8  
Master volume control 46  
Saving a Mix 50  
select Preset with footswitch 52  
A-16CS Control Surface 2, 18, 22  
A-Control, connecting 18  
and MIDI control 56  
A-16D 18, 23  
A-16D A-Net Distributor 38  
A-16D Pro 1, 18, 23  
A-16D Pro A-Net Distributor 38  
A-16II 1, 2, 45  
A-16R  
Front Panel 4  
Rear Panel 6  
A-16R mixers  
cascading 42  
A-16R Personal Mixer 25  
A-16T 1, 44  
A-16 Personal Mixer 2  
A-Control 7, 17, 22, 42, 51  
A-Control, connecting 18  
A-Net 14  
audio processor 40  
Automation  
MIDI 55  
Auxiliary Mix In level 22  
aux send 18  
B
Balanced Inserts 40  
balanced outputs 6  
Base Channel  
MIDI 54  
Basic Navigation 19  
Bass and Treble knobs 26, 27, 46  
bass shaker 39  
Bass tone control 5, 9  
Button Behaviors 27, 47  
parallel, serial connections 23  
A-Net Active LED 5, 8  
A-Net Connectors 38  
A-Net Distributors 18, 38  
A-Net I/O 7  
C
Cables  
Cat-6 12  
cable length  
A-16CS, A-Control 51  
Cable Lengths 13  
Cascading A-Net mixers 42  
Cat-5 12  
unshielded 12  
Cat-5e 12  
A-Net In 17  
A-Net input module 23, 44  
A-Net In jack 38, 63  
A-Net Out jack 38, 43  
AC Line Conditioning 10  
AC Power Connection 17  
All Preset files  
Cat-6 cable 12  
Category 5 12  
MIDI SysEx 57  
SysEx 60  
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Index  
Category 5e  
Cat-5e 12  
Display Base Channel  
MIDI 54  
Channel 8  
selected for editing 19, 22  
stereo link 19  
Display Current Preset Number  
A-16CS 51  
Distributor  
Channels  
A-16D 38  
labeling 18  
A-16D Pro 38  
MIDI 54  
Channel buttons 27, 28  
Channel Labels 11  
Channel LEDs 21  
Channel Mute LED 4  
Channel select button 4, 8  
Channel Select LED 4  
Channel Settings 28, 48  
Channel Volumes  
in a Group 36  
E
editing mixes  
local/remote control 29  
EQ 27, 45, 65  
default setting 19  
Error  
MIDI message 59  
Ethernet 14  
Cleaning and Maintenance 16  
clean the label writing area 12  
compressor 40  
computer network 14  
Controllers  
MIDI 56  
Control Surface  
remote/local 29  
Saving a Mix 50  
creating a monitor mix 20  
crossover cables 13  
Current Preset Number  
display from A-16CS 51  
F
footswitch 9, 45, 52, 65  
select Preset 52  
single vs. dual 52  
Front Panel, A-16R 25  
Front Panel buttons and LEDs  
A-16R 4, 5  
G
gain setup 3  
Global Controls 26, 45  
Group 19, 34, 35, 36  
Channel Volumes 36  
panning 63  
Group - Making Changes 36  
Group button 4, 8, 27, 47  
Group Mode 25, 35  
group output  
D
daisy-chain 23, 44  
daisy-chaining MIDI 54  
DC Power  
remote, from A-16D or A-16D Pro 38  
DC Power Input 7, 38  
DC power supply 15  
default EQ setting 19  
digital mixing consoles  
Yamaha 18  
connecting a mixer’s 18  
H
headphones 18  
Dimensions 65  
DIP switches 63  
Headphone output 5, 39  
Held Solo Mode 32  
direct output 18  
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Index  
MIDI 25, 53, 54, 56, 57, 58, 59, 60  
Controllers 56  
I
IEM 20  
Impedance 65  
Loading Presets 60  
Load One Preset  
in-ear monitors 18, 20  
inline coupler 14  
Inputs 18  
Load All Presets 59  
Program Change 56  
Save One Preset  
input module 17, 23, 44  
Inserts 40  
Save All Preset 57–61  
SysEx data 56  
insert point  
send/return 40  
insert Return 6  
MIDI Automation 55  
MIDI Base Channel 54  
MIDI channel  
insert Send 6  
checking 55  
Insert Send/Return loop 40, 41  
insert send and return  
and the A-16CS 51  
Installing in a Rack 11  
Invalid MIDI Data 59  
MIDI control  
and A-16CS Control Surface 56  
MIDI Error 59  
MIDI I/O 38, 43  
MIDI Implementation Chart 66  
MIDI In 43  
L
MIDI Jacks 7, 53  
MIDI Messages 60  
MIDI Mode 60  
MIDI on/off 5  
MIDI Out 43  
MIDI SysEx 3  
MIDI Thru 43  
mix  
save from A-16CS 50  
saving 21  
Mix In 5, 6, 25, 29, 41, 42, 51  
Mix Mode 25  
and MIDI operation 55  
entering Held Solo 33  
Mix Preset  
What Gets Saved 21  
monitor mix  
Labels 11  
Label Strip 4, 9, 18  
LAN  
Local Area Network 14  
LEDs 19, 27, 30  
pan/volume 28  
limiter 40  
line outputs 39, 41  
Linking Channels 30, 31  
Link switches 63  
Loading Presets via MIDI 60  
Local 3  
local/remote control  
editing mixes 29  
Local/Remote switch 42  
Local Area Network  
14  
creating 20  
Mono 20, 31, 39  
Mono/Stereo output switch 6  
Mono/Stereo switch 22, 39  
Mute  
All Volumes Zero 28  
Mute button 9, 28, 47  
Mute LED 4  
M
Master section 26  
Master Volume 3, 22, 25, 26, 46  
Master volume control 5  
Volume 9  
Mute Mode 26  
with A-16CS 46  
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Index  
Muting a Channel 33, 49  
Muting Groups 37  
Program Change  
MIDI 56  
N
R
network 14  
Rack mounting 11  
Recall button 4, 8, 27, 47  
Recall Mode 25, 28, 48, 59  
red LED 24, 34, 35  
Remote/Local switch 3, 18, 22, 29, 45,  
52, 57, 58  
and master volume 46  
Removing Channels From a Group 36  
replace the power supply 15  
Return 6  
O
on/off  
power supply 17  
Outputs 18  
output impedance 65  
output module 38  
P
Return jack 40, 41  
RJ45 connector 12  
Package Contents 10  
Pan Control 30, 48  
Pan knob & LEDs 8  
LEDs, Pan 8  
Pan LEDs 20, 30, 32  
parallel connection 23  
pedal 52  
Personal Mixer 1  
Personal Mixer Components 5  
Personal Mixer Rear Panel 38  
Polarity 65  
Power Input 38  
power supply 17, 38  
replacing 15  
power supply polarity 15  
Power Supply Voltage 65  
Preset  
load via MIDI 59  
MIDI SysEx 56  
save from A-16CS 50  
save via MIDI 58  
saving 22  
select with footswitch 52  
What Gets Saved 21  
Presets 29  
and MIDI 43  
Preset Number  
display from A-16CS 51  
Preset select button 4  
S
Sample Rate 65  
save a Preset 21  
Save Mode 26, 28, 47  
Save Preset 4  
Saving a Mix  
from A-16CS 50  
Saving Presets  
MIDI 57  
scribble strip 11  
select Preset  
using footswitch 52  
Send 6  
Insert 40  
series connection 23  
Signal to Noise Ratio 65  
Single-Channel Solo 32  
Single Preset files 57  
Solo button 5, 9, 28, 32, 47  
Solo LED 33  
Solo Mode 25, 29, 32, 33, 48, 49  
held/single 32  
Specifications 65  
Spread Control 31  
stereo image 31  
stereo input 30, 31  
Stereo Link 19, 31  
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Index  
Stereo Operation 39  
subwoofer 39  
SysEx 3, 60, 66  
XLR output  
balanced output  
TRS output 39  
data messages 59  
MIDI 56  
System Exclusive 66  
SysEx 43, 53  
System Exclusive Implementation 67  
System Interconnections 17  
System Setup 17  
Y
Y1 card 1, 18, 38, 44  
DIP switches 63  
Yamaha 1  
digital mixing consoles 18  
yellow LED 19, 28, 33  
T
Z
Tone Controls 26, 45  
tone control settings 22  
Treble 46  
zero volume 28, 47  
Treble knob 27  
Treble tone control 5, 9  
Troubleshooting 62  
TRS 6  
TRS line outputs 39  
U
Unbalanced audio sources 40  
Unmute a Channel 33  
unshielded cable  
Cat-5 12  
V
Valid Data Received  
MIDI SysEx 59  
Voltage 65  
Volume 27  
Volume indicator 30  
Volume knob & LEDs 8  
Volume LEDs 20  
W
Weight 65  
What Gets Saved 21  
X
XLR 6  
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Aviom Warranty Registration  
Please take a moment to fill in this warranty registration form. Return it to  
Aviom via mail or fax. All information will be kept confidential.  
Model Number ................................  
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Date Purchased .......................................................................................................  
Dealer Name ..........................................................................................................  
Dealer Location ......................................................................................................  
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Zip/Postal Code ...........................................................  
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Email Address .............................................................................................  
Fax this form to Aviom at +1 610-738-9950  
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