Integra Stereo System TUN 37 User Manual

Multi-Platform Tuner  
TUN-3.7  
Instruction Manual  
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Precautions  
1. Recording Copyright—Unless it’s for personal use  
only, recording copyrighted material is illegal with-  
out the permission of the copyright holder.  
For U.S. models  
FCC Information for User  
CAUTION:  
2. AC Fuse—The AC fuse inside the unit is not user-  
serviceable. If you cannot turn on the unit, contact  
your Integra/Onkyo dealer.  
The user changes or modifications not expressly  
approved by the party responsible for compliance could  
void the user’s authority to operate the equipment.  
3. Care—Occasionally you should dust the unit all over  
with a soft cloth. For stubborn stains, use a soft cloth  
dampened with a weak solution of mild detergent and  
water. Dry the unit immediately afterwards with a  
clean cloth. Don’t use abrasive cloths, thinners, alco-  
hol, or other chemical solvents, because they may  
damage the finish or remove the panel lettering.  
NOTE:  
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 interfer-  
ence in a residential installation.  
This equipment generates, uses and can radiate radio  
frequency energy and, if not installed and used in accor-  
dance with the instructions, may cause harmful interfer-  
ence to radio communications. However, there is no  
guarantee that interference will not occur in a particular  
installation. If this equipment does cause harmful inter-  
ference 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:  
4. Power  
WARNING  
BEFORE PLUGGING IN THE UNIT FOR THE  
FIRST TIME, READ THE FOLLOWING SEC-  
TION CAREFULLY.  
AC outlet voltages vary from country to country.  
Make sure that the voltage in your area meets the  
voltage requirements printed on the unit’s rear panel  
(e.g., AC 230 V, 50 Hz or AC 120 V, 60 Hz).  
The power cord plug is used to disconnect this unit  
from the AC power source. Make sure that the plug  
is readily operable (easily accessible) at all times.  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and  
receiver.  
For American Models  
Connect the equipment into an outlet on a circuit dif-  
ferent from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV tech-  
nician for help.  
Pressing the [Standby/On] button to select Standby  
mode does not fully shutdown the unit. If you do not  
intend to use the unit for an extended period,  
remove the power cord from the AC outlet.  
5. Never Touch this Unit with Wet Hands—Never  
handle this unit or its power cord while your hands  
are wet or damp. If water or any other liquid gets  
inside this unit, have it checked by your Integra/  
Onkyo dealer.  
For Canadian Models  
NOTE: THIS CLASS B DIGITAL APPARATUS  
COMPLIES WITH CANADIAN ICES-003.  
For models having a power cord with a polarized plug:  
CAUTION: TO PREVENT ELECTRIC SHOCK,  
MATCH WIDE BLADE OF PLUG TO WIDE SLOT,  
FULLY INSERT.  
6. Handling Notes  
• If you need to transport this unit, use the original  
packaging to pack it how it was when you origi-  
nally bought it.  
• Do not leave rubber or plastic items on this unit  
for a long time, because they may leave marks on  
the case.  
• This unit’s top and rear panels may get warm  
after prolonged use. This is normal.  
• If you do not use this unit for a long time, it may  
not work properly the next time you turn it on, so  
be sure to use it occasionally.  
Modèle pour les Canadien  
REMARQUE: CET APPAREIL NUMÉRIQUE DE  
LA CLASSE B EST CONFORME À LA NORME  
NMB-003 DU CANADA.  
Sur les modèles dont la fiche est polarisée:  
ATTENTION: POUR ÉVITER LES CHOCS ÉLEC-  
TRIQUES, INTRODUIRE LA LAME LA PLUS  
LARGE DE LA FICHE DANS LA BORNE CORRE-  
SPONDANTE DE LA PRISE ET POUSSER  
JUSQU’AU FOND.  
Memory backup  
The TUN-3.7 uses a battery-less memory backup system  
in order to retain radio presets and other settings when it’s  
unplugged or in the case of a power failure. Although no  
batteries are required, the TUN-3.7 must be plugged into  
an AC outlet in order to charge the backup system.  
Once it has been charged, the TUN-3.7 will retain the  
settings for several weeks, although this depends on the  
environment and will be shorter in humid climates.  
3
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Features  
Thank you for purchasing an Integra  
Multi-Platform Tuner. Please read this  
manual thoroughly before making connec-  
tions and plugging in the unit.  
General  
Tuner board slot  
12V trigger IN/OUT  
IR IN/OUT  
RS232 port for interface control  
Hi-rigidity, anti-resonant chassis  
Aluminum front panel  
RI (Remote Interactive) capable  
Following the instructions in this manual  
will enable you to obtain optimum perfor-  
mance and listening enjoyment from your  
new Tuner.  
Please retain this manual for future refer-  
ence.  
With C-HDXM Tuner Board Installed  
HD Radio reception and XM Satellite Radio  
RDS (Radio Data System)  
Automatic AM/FM/XM tuning  
40 AM/FM/XM presets  
Preset auto scan  
Direct tuning  
Ground isolation circuit for digital/analog  
With C-AMFM Tuner Board Installed  
Automatic AM/FM tuning  
40 AM/AM presets  
Preset auto scan  
Direct tuning  
HD RadioTechnology  
Manufactured Under  
License From iBiquity  
Digital Corporation.  
“iBiquity Digital” and the “HD Radio” and “HD”  
Symbols are registered trademarks of iBiquity Digital  
Corporation. “HD Radio” is a trademark of iBiquity  
Digital Corporation. U.S. and Foreign Patents.  
The XM name and related logos  
are registered trademarks of XM  
Satellite Radio Inc.  
®
XM Ready , XM Public Radio™ are trademarks of  
XM Satellite Radio Inc. ©2006 XM Satellite Radio  
Inc. All rights reserved. All other trademarks are the  
property of their respective owners.  
4
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Contents  
Rear Panel ..........................................................................................................................10  
Remote Controller......................................................................................................................11  
Remote Controller ...............................................................................................................11  
Optional Tuner Boards ..............................................................................................................12  
Connections  
Connecting the AM Loop Antenna ......................................................................................14  
Connecting the TUN-3.7.............................................................................................................16  
Connecting to an Amplifier ..................................................................................................16  
About the System Functions ...............................................................................................16  
Displaying RDS Information ................................................................................................26  
Using Presets .............................................................................................................................27  
Presetting Your Favorite Stations........................................................................................27  
Selecting Presets ................................................................................................................27  
Changing the Remote ID............................................................................................................28  
Others  
Troubleshooting.........................................................................................................................29  
If you can’t resolve an issue, try resetting the AV receiver by holding down the [Memory] button  
and pressing the [Standby/On] button.  
Specifications.............................................................................................................................31  
5
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Supplied Accessories  
Before Using the TUN-3.7  
Make sure you have the following accessories:  
Connecting the Supplied Power Cord  
Plug the supplied power cord into this AC INLET.  
• Do not use a power cord other than the one supplied  
with this tuner. It’s designed exclusively for use with  
this tuner and should not be used with any other com-  
ponent.  
• Never disconnect the power cord from the tuner while  
the other end is still plugged into a wall outlet. Doing  
so may cause an electric shock. Always disconnect  
the power cord from the wall outlet first.  
Remote controller and two batteries (AA/R6)  
DO NOT connect the  
power cord at this time.  
Audio cable (1)  
Power cord  
(supplied)  
cable (1)  
To use  
, the TUN-3.7 must be connected with an  
cable and an audio cable.  
Power cord  
(Plug type varies from country to country.)  
* In catalogs and on packaging, the letter added to the end of  
the product name indicates the color of the TUN-3.7. Speci-  
fications and operation are the same regardless of color.  
6
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Before Using the TUN-3.7—Continued  
Installing the Batteries  
Aiming the Remote Controller  
When using the remote controller, point it toward the  
TUN-3.7’s remote control sensor, as shown below.  
Open the battery compartment, as shown.  
1
Remote control sensor  
TUN-3.7  
Insert the two supplied batteries (AA) in  
accordance with the polarity diagram  
inside the battery compartment.  
2
30˚  
30˚  
Notes:  
• The remote controller may not work reliably if the  
TUN-3.7 is subjected to bright light, such as direct  
sunlight or inverter-type fluorescent lights. Keep this  
in mind when installing.  
Close the battery compartment.  
3
• If another remote controller of the same type is used  
in the same room, or the TUN-3.7 is installed close to  
equipment that uses infrared rays, the remote control-  
ler may not work reliably.  
• Don’t put anything, such as a book, on the remote  
controller because the buttons may be pressed inad-  
vertently, thereby draining the batteries.  
• The remote controller may not work reliably if the  
TUN-3.7 is installed in a rack behind colored glass  
doors. Keep this in mind when installing.  
• The remote controller will not work if there’s an  
obstacle between it and the TUN-3.7’s remote control  
sensor.  
Notes:  
• If the remote controller doesn’t work reliably, try  
replacing the batteries.  
• Don’t mix new and old batteries or different types of  
batteries.  
• If you intend not to use the remote controller for a  
long time, remove the batteries to prevent damage  
from leakage and corrosion.  
• Flat batteries should be removed as soon as possible  
to prevent damage from leakage and corrosion.  
7
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Getting to Know the TUN-3.7  
Front Panel  
A
B C 4 5  
6 7  
8
K
L M  
For detailed information, refer to the pages in parentheses.  
* XM Radio/HD Radio reception requires C-HDXM  
tuner board.  
A Standby/On button (19)  
Sets the TUN-3.7 to On or Standby.  
B Standby indicator (19)  
C Category [ ]/[ ] buttons (23, 26)  
Used to select categories for satellite radio. With  
HD Radio stations, they’re used to select multicast  
channels.  
D Preset [ ]/[ ] buttons (27)  
Used to select radio presets.  
E Dimmer button (9)  
Adjusts the display brightness.  
F Display button (24, 26)  
Used to view various information on the display.  
G Band button (19, 22)  
Used to select radio bands, AM, FM, and so on. The  
bands available depends on the type of tuner board  
installed.  
H Tuning/CH [ ]/[ ] buttons (19, 23)  
With AM and FM, these buttons are used for tuning.  
With XM Radio, they’re used to select stations.  
I Auto Scan button (26, 27)  
Starts the Auto Scan function, which selects and  
outputs each radio preset in turn for 5 seconds.  
J Remote control sensor (7)  
Receives control signals from the remote controller.  
K Display  
See the next page.  
L Memory button (27)  
Used to store and delete radio presets.  
M Tuning Mode button (19, 23, 27)  
With AM and FM, this button selects the Auto or  
Manual tuning mode. With XM Radio, it selects the  
search modes.  
8
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Getting to Know the TUN-3.7—Continued  
Display  
8
1 2 3 4 5 6 7  
9 J K  
L
A XM (requires C-HDXM tuner board)  
Lights up if the installed tuner board supports XM  
Satellite Radio. When XM is selected, a box appears  
around it.  
I
HD TUNED  
The TUNED indicator lights up when prop-  
erly tuned to a radio station. During Auto Tuning,  
the Tuning Arrows flash. When tuned to an HD  
Radio station, the indicator appears as  
B FM  
HD TUNED  
J AUTO  
Lights up when Auto Tuning mode is selected.  
K MEMORY  
.
Lights up if the installed tuner board supports FM.  
When FM is selected, a box appears around it.  
C AM  
Lights up if the installed tuner board supports AM.  
When AM is selected, a box appears around it.  
Lights up when presetting radio stations.  
D HD Radio  
L Message area  
Lights up if the installed tuner board supports HD  
Radio technology. When the HD Radio band is  
selected, a box appears around it.  
Various information is displayed here, including  
radio preset numbers, tuning frequency, and so on.  
E RDS (requires C-HDXM tuner board)  
Lights up when tuned to an FM radio station that  
supports RDS (Radio Data System).  
F STEREO  
Lights up when radio reception is in stereo.  
The indicator does not light up if the installed tuner  
board supports HD Radio technology.  
Setting the Display Brightness  
G MONO  
With this function, you can adjust the brightness of the  
display.  
Lights up when radio reception is in mono.  
The indicator does not light up if the installed tuner  
board supports HD Radio technology.  
Press the [Dimmer] button  
repeatedly to select: dim, dim-  
mer, or normal brightness.  
Alternatively, you can use the [Dim-  
H HD Radio indicators  
(These indicators function only when a tuner board  
that supports HD Radio technology, such as a C-  
HDXM, has been installed.)  
Remote controller  
mer] button on the tuner.  
DIGITAL: Lights up when a digital HD Radio  
transmission is being received.  
ANALOG: Lights up when an analog HD Radio  
transmission is being received.  
9
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Getting to Know the TUN-3.7—Continued  
Rear Panel  
C-HDXM tuner board installed  
5
1 2 3  
4
67  
8
9
C-AMFM tuner board installed  
5
2 3  
4
67  
8
9
For detailed information, refer to the pages in parentheses.  
The 12V TRIGGER OUT jack can be connected to  
the 12-volt trigger input on another component, so  
that when the TUN-3.7 is turned on, the other com-  
ponent turns on as well.  
A XM ANTENNA (C-HDXM tuner board only)  
(21)  
This jack is for connecting the XM Mini-Tuner (not  
supplied).  
G IR IN/OUT (18)  
B FM 75ANTENNA (14)  
A commercially available IR receiver can be con-  
nected to the IR IN jack, allowing you to control the  
TUN-3.7 while you’re in another room, or control it  
when it’s out of sight, for example, installed in a  
cabinet.  
A commercially available IR emitter can be con-  
nected to the IR OUT jack to pass IR (infrared)  
This jack is for connecting an indoor or outdoor FM  
antenna. An indoor FM antenna is supplied with  
each tuner board.  
C AM ANTENNA (14)  
These push terminals are for connecting an AM  
loop antenna or outdoor AM antenna. An AM loop  
antenna is supplied with each tuner board.  
D AUDIO OUTPUT (16)  
H RS232  
Using the supplied audio cable, connect these out-  
put jacks to an analog audio input on your amp.  
This port is for connecting the TUN-3.7 to home  
automation equipment and external controllers.  
E
REMOTE CONTROL (17)  
I Power cord (6)  
These two identical  
can be connected to the  
(Remote Interactive) jacks  
jacks on your other  
The power cord should be connected to a suitable  
wall outlet.  
Integra/Onkyo components for interactive control.  
To use , the TUN-3.7 must be connected with an  
cable and an audio cable.  
F 12V TRIGGER IN/OUT (17)  
The 12V TRIGGER IN jack can be connected to the  
12-volt trigger output on another component, so that  
when the other component is turned on, the  
TUN-3.7 turns on as well.  
See pages 16–18 for connection information.  
10  
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Remote Controller  
Remote Controller  
A Standby/On button (19)  
Sets the TUN-3.7 to On or Standby.  
B Number buttons (20, 23, 28)  
Used to select radio presets by number, and to enter  
AM/FM station frequencies and XM Radio channel  
numbers in Direct Tuning mode.  
1
2
3
9
J
C Direct Tuning button (20, 23)  
Selects the Direct Tuning mode. With AM and FM,  
quency. With XM, you can select a station directly  
by entering its channel number.  
K
L
D Return button (28)  
Returns to the previous display.  
4
E Arrow [ ]/[ ]/[ ]/[ ] buttons (12, 22–25, 28)  
With AM and FM, the Up and Down [ ]/[ ] but-  
tons are used for tuning. With XM Radio, the Up  
and Down [ ]/[ ] buttons are used to select chan-  
nels.  
5
6
M
The Left and Right [ ]/[ ] buttons are used to  
select category.  
6
7
8
M
N
F Preset [+]/[–] buttons (27)  
Used to select radio presets.  
G Auto Scan button (26, 27)  
Starts the Auto Scan function, which selects and  
H Band button (19, 22)  
Used to select radio bands, AM, FM, and so on. The  
bands available depends on the type of tuner board  
installed.  
I Display button (24, 26)  
Used to view various information on the display.  
J Dimmer button (9)  
K Ent and Enter buttons (12, 22–25, 28)  
used to select secondary multicast channels with  
HD Radio stations.  
L Setup button (12, 22, 24, 28)  
Selects Setup mode.  
M Tuning/CH [ ]/[ ] buttons (19, 23)  
With AM and FM, these buttons are used for tuning.  
With XM Radio, they’re used to select stations.  
N Tuning Mode button (19, 23)  
With AM and FM, this button selects the Auto or  
Manual tuning mode. With XM Radio, it selects the  
search modes.  
* XM Radio/HD Radio reception requires C-HDXM  
tuner board.  
11  
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Optional Tuner Boards  
The following optional tuner boards are available for the TUN-3.7.  
Board slot  
Product number: C-AMFM  
AM/FM tuner  
Product number: C-HDXM  
HD Radio AM/FM tuner, and XM Satellite Radio tuner  
Caution:  
• Before installing or removing a board, be sure to turn off the TUN-3.7 and unplug the power cord from the wall out-  
let. Failure to do so could seriously damage your equipment.  
AM Frequency Step Setup  
Use the Up and Down Arrow  
]/[ ] buttons to select “AM  
Freq.”  
With some tuner boards, there will  
only be one option available and you  
won’t need to use the Up and Down  
Arrow [ ]/[ ] buttons.  
3
[
Remote controller  
In most cases, you do not need to perform the following  
procedure. However, if the purchased board is the  
worldwide model and you plan to use it in North Amer-  
ica, you must change the AM Frequency setting to  
10 kHz after installing the board.  
Press the [Setup] button.  
1
Use the Left and Right Arrow  
Remote controller  
4
[
]/[ ] buttons to select:  
Remote controller  
9 kHz: Select if 9 kHz steps are used  
in your area.  
10 kHz: Select if 10 kHz steps are  
used in your area.  
Use the Up and Down Arrow  
2
[
]/[ ] buttons to select “Hard-  
Remote controller  
ware Setup,and then press  
[Enter].  
With some tuner boards, there will  
only be one option available and you  
won’t need to use the Up and Down  
Arrow [ ]/[ ] buttons.  
Press the [Setup] button.  
5
Remote controller  
12  
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Optional Tuner Boards—Continued  
Installing a Tuner Board  
Insert the board between the guide rails  
and push it in.  
4
Use the Allen wrench, hexagonal socket head screws,  
removal thumbscrews, and so on supplied with the tuner  
board.  
Turn off the TUN-3.7, and then unplug the  
power cord from the wall outlet.  
1
Use the supplied Allen wrench to unscrew  
2
the two hexagonal socket head screws  
that are securing the existing board or  
blanking plate.  
When the board meets the internal connector,  
apply a little more pressure so that the board  
plugs fully into the connector. Make sure the  
board’s panel is flush with the TUN-3.7’s rear  
panel.  
Use the Allen wrench to screw tight the  
two hexagonal socket head screws so  
that the board is secure.  
5
Note:  
To remove an existing tuner board, use the fol-  
lowing procedure.  
Screw the supplied removal thumbscrews  
into the two holes just below the holes  
that were used by the hexagonal socket  
head screws. Screw them in about 3/16"  
(5 mm). Hold and pull both of the thumb-  
screws to remove the board.  
Be sure to fully tighten the screws. If they are  
loose, the ground connection between the board  
and the TUN-3.7 may be inadequate, resulting in  
noise or failure.  
Caution:  
75  
If any of the screws use washers, be sure to reuse  
them when installing or removing a board.  
Carefully remove the board from its bag.  
3
To prevent electrostatic  
damage, hold the board by  
its panel, taking care not  
to touch any of the com-  
ponents or the underside  
of the circuit board with  
your bare hands.  
13  
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Connecting Antennas  
This section explains how to connect the indoor FM  
antenna and AM loop antenna, and how to connect com-  
mercially available outdoor FM and AM antennas.  
Connecting the AM Loop Antenna  
The indoor AM loop antenna is for indoor use only.  
* An indoor FM antenna and AM loop antenna are sup-  
plied with each tuner board.  
Assemble the AM loop antenna, inserting  
the tabs into the base, as shown.  
1
FM antenna jack  
AM antenna push terminals  
Connect both wires of the AM loop  
antenna to the AM push terminals, as  
shown.  
2
(The antenna’s wires are not polarity sensitive, so  
they can be connected either way around).  
Connecting the Indoor FM Antenna  
Make sure that the wires are attached securely and  
that the push terminals are gripping the bare  
wires, not the insulation.  
The indoor FM antenna is for indoor use only.  
Attach the FM antenna, as shown.  
1
Insert the plug fully  
into the jack.  
Push  
Insert wire  
Release  
Once the TUN-3.7 is ready for use, you’ll need to  
tune into an FM radio station and adjust the posi-  
tion of the FM antenna to achieve the best possi-  
ble reception.  
Use thumbtacks or something similar to  
fix the FM antenna into position.  
Once the TUN-3.7 is ready for use, you’ll need to  
tune into an AM radio station and adjust the posi-  
tion of the AM antenna to achieve the best possi-  
ble reception.  
2
Keep the antenna as far away as possible from the  
TUN-3.7, TV, speaker cables, and power cords.  
If you cannot achieve good reception with the indoor  
AM loop antenna, try using it with a commercially  
available outdoor AM antenna.  
Thumbtacks, etc.  
Caution: Be careful that you don’t injure your-  
self when using thumbtacks.  
If you cannot achieve good reception with the indoor  
FM antenna, try using a commercially available outdoor  
FM antenna instead.  
14  
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Connecting Antennas—Continued  
Connecting an Outdoor FM Antenna  
Connecting an Outdoor AM Antenna  
If you cannot achieve good reception with the indoor  
FM antenna, try a commercially available outdoor FM  
antenna instead.  
If good reception cannot be achieved using the AM loop  
antenna, an outdoor AM antenna can be used in addition  
to the loop antenna, as shown.  
Outdoor antenna  
Insulated antenna cable  
AM loop antenna  
Notes:  
• Outdoor FM antennas work best outside, but usable  
results can sometimes be obtained when installed in  
an attic or loft.  
• For best results, install the outdoor FM antenna well  
away from tall buildings, preferably with a clear line  
of sight to your local FM transmitter.  
• Outdoor antenna should be located away from possi-  
ble noise sources, such as neon signs, busy roads, etc.  
• For safety reasons, outdoor antenna should be situ-  
ated well away from power lines and other high-volt-  
age equipment.  
Outdoor AM antennas work best when installed hori-  
zontally outside, but good results can sometimes be  
obtained indoors by mounting horizontally above a win-  
dow. Note that the AM loop antenna should be left con-  
nected.  
Outdoor antenna must be grounded in accordance with  
local regulations to prevent electrical shock hazards.  
• Outdoor antenna must be grounded in accordance  
with local regulations to prevent electrical shock haz-  
ards.  
Using a TV/FM Antenna Splitter  
It’s best not to use the same antenna for both FM and  
TV reception, as this can cause interference problems. If  
circumstances demand it, use a TV/FM antenna splitter,  
as shown.  
TV/FM antenna splitter  
To TUN-3.7  
To TV (or VCR)  
15  
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Connecting the TUN-3.7  
RCA Audio Connection Color Coding  
Before Making Any Connections  
• Refer to the instructions that came with the com-  
ponent you are connecting.  
• Do not plug in the power cord until all other con-  
nections are complete.  
• Red plugs are used for the right channel, white  
plugs are used for the left channel.  
Left (white)  
L
• Do not bind audio cables with power cords and  
speaker cables. Doing so may adversely affect the  
sound quality.  
Right (red)  
R
• To prevent interference, keep power cords and  
speaker cables as far away as possible from the  
antennas.  
• Push each plug in all the way to make a good con-  
nection (loose connections can cause noise or mal-  
functions).  
Right!  
Wrong!  
Connecting to an Amplifier  
About the System Functions  
Use the supplied audio cable to connect the TUN-3.7’s  
AUDIO OUTPUT L/R jacks to the TUNER IN jacks on  
your amplifier, as shown.  
If you connect the TUN-3.7 to another Integra/Onkyo  
-capable component with the supplied  
and audio cable, you can use the following system func-  
tions. cables are special cables solely for use with  
cable  
To use the  
system functions, use the supplied  
Integra/Onkyo products.  
cable to make an  
connection (see the next column).  
Auto Power On  
When you turn on the TUN-3.7, your Integra/Onkyo  
amplifier or receiver will turn on automatically. (The  
amplifier’s POWER switch must be set to ON for this to  
work.)  
Direct Change  
When you select a radio preset or change the band (AM,  
FM, etc.), your Integra/Onkyo amplifier will automati-  
cally select the TUN-3.7 as the input source.  
TUN-3.7  
Supplied audio  
cable  
Remote Control Operation  
Supplied  
cable  
You can control the TUN-3.7 by using your Inte-  
gra/Onkyo amplifier or receiver’s remote controller. See  
the amplifier or receiver’s instruction manual for details.  
L
TUNER  
Amplifier  
Note:  
• If the TUN-3.7 is used with another Integra/Onkyo  
component, refer to its instruction manual as well.  
16  
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Connecting the TUN-3.7—Continued  
With  
(Remote Interactive), you can control your  
Connecting the 12V Trigger Jacks  
-capable Integra/Onkyo CD player, TUN-3.7, and  
so on with your amp’s remote controller.  
To have the TUN-3.7 turn on automatically when  
another component is turned on, connect the TUN-3.7’s  
12V TRIGGER IN jack to a 12-volt trigger output on  
the other component with a miniplug cable.  
To use  
, you must make an analog audio con-  
nection between your amplifier and each audio  
component.  
Likewise, to have another component turn on automati-  
cally when the TUN-3.7 is turned on, connect the  
TUN-3.7’s 12V TRIGGER OUT jack to a 12-volt trig-  
ger input on the other component with a miniplug cable.  
Integra/Onkyo amplifier, etc.  
Amplifier, AV receiver, etc.  
MASTER VOLUME  
TUNING  
/
PRESET  
STANDBY/ON  
ENTER  
jack  
jack  
Integra/Onkyo  
CD player, etc.  
STANDBY  
12 TRIGGER OUT  
V
Z
O
N
E
2
O
F
F
ZONE  
2
RETURN  
SETUP  
TONE  
+
STEREO  
LISTENING MODE  
DISPLAY DIGITAL INPUT  
RT/PTY/TP MEMORY TUNING MODE  
CLEAR  
ZONE  
2
LEVEL  
VIDEO  
4
INPUT  
PHONES  
PURE AUDIO  
MULTl CH  
DVD  
VIDEO  
1
VIDEO  
2
VIDEO  
3
VIDEO  
4
TAPE  
TUNER  
CD  
SETUP MIC  
S
VIDEO  
VIDEO  
L
AUDIO  
R
DIGITAL  
VCR  
1
VCR  
2
TUN-3.7  
TUN-3.7  
CD player, etc.  
12  
V
TRIGGER  
IN  
jack  
Remote Interactive  
Dock, etc.  
cable  
Notes:  
• Push each plug in all the way to make a good connec-  
tion.  
• Use only dedicated  
cables for  
connections.  
cables are supplied with Integra/Onkyo tuners  
and players (DVD, CD, etc.).  
• Some components, including the TUN-3.7, have two  
jacks. They’re both the same, so use either one.  
jacks should be connected only to Integra/Onkyo  
components. Connecting them to another manufac-  
turer’s component may cause a malfunction.  
• Some components may not support all  
functions.  
See the manuals supplied with your other Integra/  
Onkyo components for more information.  
17  
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Connecting the TUN-3.7—Continued  
Controlling Components That Are Out of Range  
You can use the following multi-room kits to control the  
TUN-3.7 when it’s out of range of the remote controller:  
Controlling Other Out-of-range  
Components  
• Multiroom AV distribution and control systems such  
If another component is out of range of its remote con-  
troller, you can use a commercially available IR emitter  
to retransmit the remote controller signals received at  
the TUN-3.7’s IR IN, as shown below.  
®
®
as those made by Niles and Xantech .  
IR receiver  
Connecting  
block  
IR IN  
IR OUT  
TUN-3.7  
IR emitter  
Remote controller  
Controlling the TUN-3.7 When It’s Out of  
Range  
Other  
component  
If the TUN-3.7 is located in another room, installed in a  
cabinet, or out of range of its remote controller, you can  
use a commercially available IR receiver to pickup the  
remote controller signals and feed them to the TUN-3.7,  
as shown below.  
: Signal flow  
Connect the IR emitter to the TUN-3.7’s IR OUT, and  
place the IR emitter in front of the other component’s  
remote control sensor (usually located on its front  
panel), as shown below. See the instructions supplied  
with the IR emitter.  
IR receiver  
Connecting  
block  
Other component  
Remote control  
IR IN  
sensor  
from connecting block  
TUN-3.7  
IR emitter  
Miniplug cable  
Remote controller  
Inside  
Miniplug  
cabinet  
: Signal flow  
IR Emitter  
Connect the IR receiver to the TUN-3.7 as shown  
below.  
TUN-3.7  
:Signal flow  
from connecting block  
Only remote controller signals received by the  
TUN-3.7’s IR IN are fed through to the IR OUT. Signals  
picked up by the TUN-3.7’s remote control sensor are  
not output.  
Miniplug cable  
TUN-3.7  
18  
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Turning On and Listening to AM and FM Radio  
Listening to AM and FM Radio  
Standby/ON  
Tuning/CH  
Press the [Band] button repeat-  
edly to select AM or FM.  
1
The  
or  
indicator lights up.  
Remote controller  
Standby indicator  
Standby/On  
Tuning Mode  
Band  
Press the [Tuning Mode] button  
repeatedly to select Auto or Man-  
ual Tuning mode.  
2
Auto Tuning Mode  
The AUTO indicator appears and  
stereo radio reception is possible.  
Manual Tuning Mode  
The MONO indicator appears and  
radio reception will be in mono.  
Remote controller  
Tuning/CH  
Tuning Mode  
/
Band  
AUTO indicator  
MONO indicator  
Note:  
The MONO indicator does not light up  
if the installed tuner board supports  
HD Radio technology.  
Turning On the TUN-3.7  
Auto Tuning Mode  
Connect the power cord to a suit-  
able wall outlet.  
The AUTO indicator appears.  
Manual Tuning Mode  
AUTO indicator disappears.  
1
2
Press the [Standby/On] button  
on the TUN-3.7 or remote control-  
ler.  
The TUN-3.7 turns on, and the  
Standby indicator goes off.  
Use the Tuning/CH [ ]/[ ] but-  
tons to tune into a station.  
In Auto Tuning mode, once a station is  
found, tuning stops automatically.  
The American model changes FM fre-  
quency in 0.2 MHz steps, 10 kHz steps  
for AM.  
For other models, it’s 0.05 MHz steps  
for FM and 9 kHz or 10 kHz steps for  
AM.  
3
Remote controller  
To turn off the TUN-3.7, press the  
[Standby/On] button. The TUN-3.7  
will enter Standby mode.  
Remote controller  
Note that the TUN-3.7 is not com-  
pletely shutdown in Standby mode.  
In Manual Tuning mode, the frequency  
stops changing when you release the  
buttons. Press the buttons repeatedly to  
change the frequency one step at a time.  
19  
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Turning On and Listening to AM and FM Radio—Continued  
When tuned into a station, the  
TUNED indicator appears.  
TUNED  
Number buttons  
Direct Tuning  
Tuning into weak stereo FM stations  
If the signal from a stereo FM station is weak, it may be  
impossible to get good reception. In this case, switch to  
Manual Tuning mode and listen to the station in mono.  
Tuning into Stations by Frequency  
You can tune into AM and FM stations directly by  
entering the appropriate frequency.  
Press the [Direct Tuning] button.  
1
Remote controller  
(Actual display depends on country.)  
Within 8 seconds, use the num-  
2
Remote controller ber buttons to enter the fre-  
quency of the radio station.  
For example, to tune into an FM sta-  
tion at 87.5 MHz, press [8], [7], and  
[5].  
Adjusting the Antennas  
Adjusting and installing the FM antenna  
Choose a location for the FM antenna while  
listening to an FM station.  
Adjusting the AM antenna  
Adjust the location and position of the  
AM antenna while listening to an AM sta-  
tion to achieve the best possible reception.  
1
2
Change the direction of the  
Affix the antenna with a thumbtack. (Do not  
antenna to achieve the best  
possible reception.  
push the thumbtack through the antenna.)  
Caution: Be careful not to prick your finger!  
20  
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Listening to XM Satellite Radio  
A warning against reverse engineering:  
®
Listening to XM Satellite Radio  
(North American Models Only)  
It is prohibited to copy, decompile, disassemble, reverse  
engineer, or manipulate any technology incorporated in  
receivers compatible with the XM Satellite Radio sys-  
®
tem. Furthermore, the AMBE voice compression soft-  
Important XM Radio Information  
ware included in this product is protected by intellectual  
property rights including patent rights, copyrights, and  
trade secrets of Digital Voice Systems, Inc. The user of  
this or any other software contained in an XM Radio is  
explicitly prohibited from attempting to copy, decom-  
pile, reverse engineer, or disassemble the object code, or  
in any other way convert the object code into human-  
readable form. The software is licensed solely for use  
within this product.  
XM Satellite Radio offers an extraordinary variety  
of commercial-free music, plus the best in sports,  
news, talk and entertainment. XM is broadcast in  
superior digital audio from coast to coast. From  
rock to reggae, from classical to hip hop, XM has  
something for every music fan. XM’s dedication to  
playing the richest selection of music is matched by  
its passion for live sporting events, talk radio, up-to-  
the-minute news, stand-up comedy, children’s pro-  
gramming, and much more. For U.S. customers,  
information about XM Satellite Radio is available  
ers, information about XM Canada is online at  
Connecting the XM Mini-Tuner and Home  
Dock  
To receive XM Satellite Radio, you need an XM Mini-  
Tuner and Home Dock, which includes a home antenna.  
These are sold separately. For connection information,  
refer to the instruction manual supplied with the XM  
Mini-Tuner and Home Dock.  
Note:  
Hardware and required monthly subscription sold sepa-  
rately. Other fees and taxes, including a one-time activa-  
tion fee may apply. Subscription fee is consumer only.  
All fees and programming subject to change. Channels  
with frequent explicit language are indicated with an  
XL. Channel blocking is available for XM radio receiv-  
ers by calling 1-800-XMRADIO (US residents) and  
1-877-GET-XMSR (Canadian residents).  
XM antenna jack  
For a full listing of the XM commercial-free channels  
and advertising-supported channels, visit lineup.xmra-  
dio.com (US residents) or xmradio.ca (Canadian resi-  
dents).  
Subscriptions subject to Customer Agreement available  
at xmradio.com (US residents) and xmradio.ca (Cana-  
dian residents). Only available in the 48 contiguous  
United States and Canada. ©2006 XM Satellite Radio  
Inc. All rights reserved. All other trademarks are the  
property of their respective owners  
21  
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Listening to XM Satellite Radio—Continued  
Selecting XM Satellite Radio  
Band  
Press the [Band] button repeat-  
edly to select XM.  
1
If “CHECK ANTENNA” appears on  
the display, make sure the XM Mini-  
Tuner is connected properly.  
Setup  
Enter  
Remote controller  
/
/
/
Band  
Signing Up for XM Satellite Radio  
Once you have installed the XM Mini-Tuner and Home  
Dock, you are ready to subscribe to XM Satellite Radio.  
You’ll need a major credit card and your XM Radio ID.  
There are three places you can find your 8-character  
XM Radio ID:  
Setting the Satellite Radio Mode  
Press the [Setup] button.  
1
1. On the XM Mini-Tuner  
2. On the XM Mini-Tuner packaging  
3. On XM Channel 0, as explained below  
Remote controller  
Use the Up and Down Arrow  
1
[
]/[ ] buttons to selectRADIO  
Remote controller  
ID.”  
Use the Up and Down Arrow  
2
[
]/[ ] buttons to select “SAT  
Alternatively, press the [Direct Tuning]  
button, followed within 8 seconds by  
the [0] button and [Enter] button.  
Remote controller  
Radio Mode,and then press  
[Enter].  
Your XM Satellite Radio ID number is  
displayed. Write it below.  
ID:  
To sign up, go to:  
Use the Left and Right Arrow  
2
3
Or call: 1-800-XM-RADIO  
(1-800-967-2346)  
[
]/[ ] buttons to select “XM.”  
Remote controller  
The choices available depends on the  
type of tuner board you’re using.  
For XM Canada, go to:  
If you’ve not using satellite radio,  
select None.  
Or call: 1-877-GET-XMSR  
(1-877-438-9677)  
Press the [Setup] button.  
4
Remote controller  
Notes:  
• RADIO ID cannot be selected in Category Search  
mode. You must select Channel Search mode (see  
page 23).  
• The following letters are not used in XM Satellite  
Radio IDs: I, O, S, F.  
• XM Satellite Radio will transmit a special signal to  
the TUN-3.7 to activate the full channel lineup. Acti-  
vation normally takes between 10 and 15 minutes, but  
during busy peak periods, you may need to leave the  
TUN-3.7 turned on for up to an hour.  
22  
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Listening to XM Satellite Radio—Continued  
Category Search Mode  
Tuning/CH  
Press the [Tuning Mode] button  
to select Category Search mode.  
1
Remote controller  
Tuning Mode  
Category  
/
Use the TUN-3.7’s [Category]  
2
[
]/[ ] buttons, or remote con-  
troller’s Left and Right [ ]/[  
buttons to select a category, and  
use the TUN-3.7’s Tuning/CH  
]
Number buttons  
Direct Tuning  
Return  
[
]/[ ] button, or remote con-  
troller’s Up and Down Arrow  
]/[ ] buttons to select a chan-  
nel in that category.  
Enter  
[
/
/
/
Tuning/CH  
Tuning Mode  
/
Remote controller  
Selecting XM Radio Channels  
There are three ways to select XM Radio channels:  
Channel Search mode: select any channel.  
Category Search mode: select channels by category.  
Direct tuning: enter channel number.  
Direct Tuning  
You can select an XM Radio channel directly by enter-  
ing its number with the remote controller.  
Channel Search Mode  
Press the [Direct Tuning] button.  
1
Remote controller  
Press the [Tuning Mode] button  
1
to select Channel Search mode.  
Remote controller  
Within 8 seconds, use the num-  
ber buttons to enter the channel  
2
Remote controller  
number.  
For example, to select channel #20,  
press [0], [2], and [0], or press [2], [0],  
and [Enter].  
Use the TUN-3.7’s Tuning/CH  
2
[
]/[ ] button, or remote con-  
troller’s Up and Down Arrow  
]/[ ] buttons to select a chan-  
[
nel.  
Remote controller You can also use the remote control-  
ler’s Left and Right Arrow [ ]/[  
buttons to select a category.  
]
Selecting the Previous Channel  
To listen to the previously selected XM channel, press  
the [Return] button.  
23  
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Listening to XM Satellite Radio—Continued  
NO SIGNAL  
Display  
Display  
The signal is too weak. Check the XM Mini-Tuner  
and/or antenna connection and reposition it for the best  
reception.  
LOADING  
The TUN-3.7 is tuning or decoding audio or text data.  
Please wait.  
Setup  
Enter  
OFF AIR  
The XM channel you selected is not currently broad-  
casting. Select another channel.  
Positioning the XM antenna  
You can check the signal strength of the XM Radio sig-  
nal and adjust the position of the XM antenna accord-  
ingly.  
Press the [Setup] button.  
1
Displaying XM Radio Information  
Remote controller  
Press the [Display] button repeatedly to cycle  
through the available information.  
Channel name  
Use the Up and Down Arrow  
2
Remote controller [ ]/[ ] buttons to select  
“Antenna Aiming,and then  
press [Enter].  
Channel number  
Channelnumber  
& preset number  
Preset number  
Category  
Adjust the position of the XM  
3
antenna so that the satellite  
(SAT) signal strength bar is as  
long as possible.  
Artist name  
Song title  
If you can’t receive the satellite (SAT)  
signal, adjust your XM antenna so that  
the terrestrial (TER) signal strength bar  
is as long as possible.  
Note:  
If the category, artist, or song title is not available,  
“- - -” will be displayed instead.  
Press the Down Arrow [ ] button to  
display the terrestrial (TER) signal bar.  
XM Radio Messages  
The following messages may appear while using XM  
Radio.  
Terrestrial signals are only available in  
certain areas.  
CHECK ANTENNA  
The XM Mini-Tuner and/or antenna is not connected  
properly. Check the connection.  
UPDATING  
The XM user encryption code is being updated. Please  
wait.  
So long as the signal strength is good,  
you can enjoy XM Radio by using  
either satellite or terrestrial reception.  
24  
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Listening to HD Radio™ Stations  
HD Radio technology brings digital radio to conven-  
tional analog AM and FM radio stations, with improved  
sound quality, better reception, and new data services.  
HD Radio technology provides CD-quality sound for  
FM stations, and FM-quality sound for AM stations. In  
addition, FM HD Radio stations can transmit multiple  
programs on the same frequency by using multicast  
channels. Text data display incudes station name, song  
title, artist name, and so on.  
Category  
/
Display  
Auto Scan  
For more information about HD Radio technology,  
visit:  
Display  
Enter  
HD Radio stations broadcast on the same AM and FM  
frequencies they’ve always used, and you can receive  
them by tuning into your favorite station as normal (see  
pages 19, 20). If the current AM or FM station supports  
HD Radio technology, the HD Radio indicator lights up.  
When an HD Radio transmission is received, a box  
appears around the HD Radio indicator, and “HD”  
appears in the right corner of the message area.  
Auto Scan  
Selecting Multicast Channels  
FM HD Radio stations can transmit multiple programs  
on the same frequency by using what are called multi-  
cast channels.  
Light up with HD  
Radio reception.  
HD Radio indicator  
Using the remote controller:  
Use the Up and Down Arrow  
Remote controller [ ]/[ ] buttons to select a multi-  
cast channel.  
1
Station name  
Band  
HD Radio channel number  
If you select a multicast channel that is  
not currently broadcasting, a plus [+]  
symbol will appear next to the HD  
indicator, indicating that the channel  
has been reserved. When broadcasting  
commences, hat channel will be  
selected automatically.  
• If the current AM or FM station supports HD Radio  
technology, the station’s name will be displayed  
instead of the band and frequency.  
• When music data is received, song title and artist  
name information will be displayed next to the HD  
indicator.  
• If the current HD Radio station supports multicast  
channels, the currently selected multicast channel  
will be displayed to the right of the HD indicator.  
Reserved channel indication  
HD Radio channel number  
Note:  
Multicast channels are not available on  
AM.  
25  
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Using RDS  
Listening to HD Radio™ Stations—  
Continued  
RDS stands for Radio Data System and is a method of  
transmitting data in FM radio signals. RDS is approved  
by the National Radio Systems Committee (NRSC) and  
is available in North America.  
Using the TUN-3.7:  
Press the [Category] [ ]/[  
buttons.  
]
1
Many FM stations use it these days. In addition to dis-  
playing text information, RDS can also help you find  
radio stations by type (e.g., news, sport, rock, etc.).  
This product supports the following types of RDS infor-  
mation: Program Service Name (PS), Radio Text (RT),  
and Program Type (PTY).  
Selecting the Audio Format  
(Blend Mode)  
Displaying RDS Information  
HD Radio stations transmit both analog and digital ver-  
sions of their programs and you can choose which one  
you want to listen to.  
The RDS indicator lights up when tuned to an FM radio  
station that supports RDS.  
RDS indicator  
Use the [Auto Scan] button to  
select Auto or Analog.  
Remote controller  
Press the [Display] button repeatedly to cycle through  
the available information.  
Auto: Select to use the digital signal  
when available.  
1. Program Service Name  
When tuned to an RDS station that’s broadcasting  
PS information, the station’s name will be dis-  
played.  
Anlg (Analog): Select to use the ana-  
log signal.  
2. Radio Text  
Note:  
When tuned to an RDS station that’s broadcasting  
RT text information, the text will be shown on the  
display.  
• Multicast channels 2 through 8 only carry a digital  
signal, so to select an audio format, you must select  
multicast channel #1 first.  
3. Program Type  
When tuned to an RDS station that’s broadcasting  
PTY information, the type of program will be dis-  
played.  
Displaying HD Radio Information  
Press the [Display] button repeatedly to cycle through  
the available information.  
Note:  
HD Radio  
channel number  
If the signal from an RDS station is weak, RDS data  
may be displayed intermittently or not at all.  
Frequency  
Frequency &  
HD Radio  
channel number  
Scrolling  
station information  
Station  
information  
Artist name  
Song title  
Artist  
information  
Song title  
information  
26  
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Using Presets  
Selecting Presets  
Using the Preset buttons:  
To select a preset, use the  
TUN-3.7’s Preset [ ]/[ ] buttons,  
or the remote controller’s Preset  
[+]/[–] buttons.  
Auto Scan  
Memory  
Tuning Mode  
Preset  
/
Remote controller  
Preset –/+  
Auto Scan  
Using the Auto Scan function:  
Press the [Auto Scan] button.  
The Auto Scan function automatically  
selects and outputs each radio preset in  
turn for 5 seconds.  
Remote controller  
When you hear the station that you  
want to listen to, press the [Auto Scan]  
button again to stop auto scanning.  
PresettingYour Favorite Stations  
You can store any combination of up to 40 of your  
favorite AM, FM, and XM Satellite radio stations as  
presets.  
Using the TUN-3.7:  
Deleting Presets  
Tune into the station that you  
want to store as a preset.  
1
Using the TUN-3.7:  
Select the preset that you want to  
delete.  
See the previous section.  
Press the [Memory] button.  
The MEMORY indicator appears and  
the preset number flashes.  
1
2
2
While holding down the [Mem-  
ory] button, press the [Tuning  
Mode] button.  
The preset is deleted and its number  
disappears from the display.  
While the MEMORY indicator is  
displayed (about 8 seconds), use  
the Preset [ ]/[ ] buttons to  
3
select a preset from 1 through 40.  
Press the [Memory] button again  
4
to store the station or channel.  
The station or channel is stored and the  
preset number stops flashing.  
Repeat this procedure for all of your  
favorite radio stations.  
27  
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Changing the Remote ID  
If the TUN-3.7’s remote controller interferes with other  
Integra/Onkyo components located in the same room,  
you can change the remote control ID. You can select  
remote control ID #1, #2, or #3. By default, the remote  
control ID is set to #1. If you change the ID, you must  
also change the ID on the remote controller to match, as  
explained below, otherwise, the remote controller won’t  
work.  
Use the Left and Right Arrow  
]/[ ] buttons to change the  
remote ID.  
You can select ID #1 (default), #2, or  
#3.  
4
[
Remote controller  
Press the [Setup] button.  
5
Once you’ve changed the TUN-3.7’s  
remote ID, the remote controller will  
no longer control the TUN-3.7, so you  
must change the remote controller’s ID  
to match, as explained below.  
Remote controller  
Number buttons  
Return  
Setup  
Enter  
/
/
/
Changing the Remote Controller’s ID  
Before changing the remote con-  
troller’s ID, change the TUN-3.7’s  
ID first (see above).  
1
Press the remote controller’s  
[Return] button.  
Changing the TUN-3.7’s Remote ID  
2
Remote controller  
Press the [Setup] button.  
1
Remote controller  
While pressing and holding  
down the remote controller’s  
3
Remote controller  
[Return] button, press number  
button [1], [2], or [3] for 3 sec-  
onds to select ID #1, #2, or #3  
respectively.  
Use the Up and Down Arrow  
2
[
]/[ ] buttons to select “Hard-  
Remote controller  
ware Setup,and then press  
[Enter].  
With some tuner boards, there will  
only be one option available and you  
won’t need to use the Up and Down  
Arrow [ ]/[ ] buttons.  
Check whether the remote con-  
troller operates the TUN-3.7  
properly.  
4
Use the Up and Down Arrow  
3
Note:  
[
]/[ ] buttons to select  
Remote controller  
• The remote controller and TUN-3.7 must be set to the  
same remote control ID. Otherwise, you won’t be  
able to control the TUN-3.7 with the remote control-  
ler.  
“Remote ID.”  
With some tuner boards, there will  
only be one option available and you  
won’t need to use the Up and Down  
Arrow [ ]/[ ] buttons.  
28  
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Troubleshooting  
If you have any trouble using the TUN-3.7, look for a solution in this section.  
If you can’t resolve the issue yourself, try resetting the TUN-3.7 before contacting your Integra/Onkyo dealer.  
To reset the TUN-3.7 to its factory defaults, turn it on and, while holding down the  
[Memory] button, press the [Standby/On] button. “Clear” will appear on the dis-  
play and the TUN-3.7 will enter Standby mode.  
Note that resetting the TUN-3.7 will delete your radio presets and custom settings.  
Power  
Can’t turn on the TUN-3.7.  
• Make sure that the power cord is properly plugged into the wall outlet (see page 19). And also, make sure that the  
other end of the power cord is properly connected to the TUN-3.7’s AC INLET (see page 6).  
• Unplug the power cord from the wall outlet, wait 5 seconds or more, then plug it in again.  
Audio  
There’s no sound.  
• Make sure your amplifier’s volume control is not set to minimum.  
• Check all connections and correct as necessary (see pages 14 to 18).  
Tuner  
Reception is noisy, stereo FM reception suffers from hiss, or the STEREO indicator doesn’t light up when tuned  
to a stereo FM station.  
• Check the antenna connections (see page 14).  
• Change the position of the antenna (see page 20).  
• Move the TUN-3.7 away from a nearby TV or computer.  
• Cars or airplanes can cause noisy interference.  
• The radio signal will be weakened if it has to pass through a concrete wall before reaching the antenna.  
• Try selecting Manual Tuning mode (see page 19).  
• Move power cords and speaker cables as far away as possible from the antenna.  
• When listening to an AM station, noise may be heard when you operate the remote controller.  
• If none of the above improves the reception, install an outdoor antenna (see page 15).  
If a power outage occurs or the power cable is disconnected:  
• If the preset stations are lost, preset them again (see page 27).  
Can’t adjust the frequency of the radio.  
• Use the Tuning/CH [ ]/[ ] buttons to change the frequency of the radio (see page 19).  
RDS doesn’t work.  
Your Tuner board doesn’t support HD Radio reception.  
• The FM station you are tuned to doesn’t support RDS.  
• Install an outdoor FM antenna (see page 15).  
• Change the position or direction of your outdoor FM antenna (see page 15).  
• Move the FM antenna as far away as possible from fluorescent lights (see page 15).  
29  
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Troubleshooting—Continued  
Remote Controller  
The remote controller doesn’t work properly.  
• Make sure the batteries have been installed with the correct polarity (+/–) (see page 7).  
• Replace both batteries with new ones. (Do not mix different types of batteries or new and old batteries.)  
• The remote controller is too far away from the TUN-3.7, or there’s an obstacle between them (see page 7).  
• The TUN-3.7’s remote control sensor is being subjected to bright light (inverter-type fluorescent light or sunlight).  
• The TUN-3.7 is located behind the glass doors of a audio rack or cabinet.  
• The TUN-3.7 and remote controller may be set to different remote control IDs. Set the TUN-3.7’s remote control ID  
first, and then set the remote controller to the same ID (see page 28).  
Others  
Interactive control with other Integra/Onkyo  
-capable components is not working.  
• Make sure the  
won’t work.  
cables and analog audio cables are connected correctly (see page 16). Connecting only an  
cable  
The TUN-3.7 contains a microcomputer for signal processing and control functions. In very rare situations, severe  
interference, noise from an external source, or static electricity may cause it to lock up. In the unlikely event that this  
should happen, unplug the power cord, wait at least 5 seconds, and then plug it again.  
30  
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Specifications  
General  
Power Supply:  
AC 120 V, 60 Hz  
Power Consumption:  
Stand-by Power Consumption:  
Dimensions (W × H × D):  
Weight:  
27 W (when C-HDXM board is used)  
0.2 W  
435 × 81 × 306 mm (17-1/8" × 3-3/16" × 12-1/16") (not include a board)  
4.5 kg (9.9 lbs.) (not include a board)  
FM  
Tuning frequency range:  
Usable sensitivity:  
Signal-to-noise ratio:  
87.5–107.9 MHz  
Stereo: 22.2 dBf (IHF)  
Stereo: 67 dB (IHF-A)  
Mono: 15.2 dBf (IHF)  
Mono: 73 dB (IHF-A)  
Mono: 0.3% (1 kHz)  
THD (total harmonic distortion): Stereo: 0.5% (1 kHz)  
Stereo separation:  
40 dB (1 kHz)  
AM  
Tuning frequency range:  
Usable sensitivity:  
Signal-to-noise ratio:  
530–1710 kHz  
300 µV  
40 dB  
THD (total harmonic distortion): 0.7%  
Specifications and features are subject to change without notice.  
31  
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Integra Division of  
ONKYO U.S.A. CORPORATION  
18 park Way, Upper Saddle River, N.J. 07458, U.S.A.  
Tel: 201-785-2600 Fax: 201-785-2650 http://www.integrahometheater.com  
En  
Integra Division of  
ONKYO CORPORATION  
Sales & Product Planning Div.: 2-1, Nisshin-cho, Neyagawa-shi, OSAKA 572-8540, JAPAN  
Tel: 072-831-8023 Fax: 072-831-8124  
I0803-2  
SN 29344350A  
(C) Copyright 2008 ONKYO CORPORATION Japan. All rights reserved.  
* 2 9 3 4 4 3 5 0 A *  
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