Symbol Technologies Scanner LS 2106 User Manual

LS 2106 RS-232/Synapse/Keyboard Wedge Scanner  
Product Reference Guide  
Click on red text at any location in the manual to jump to the  
specified chapter, topic, or reference.  
About This Manual  
Table of Contents  
Glossary  
Copyright  
70-32821-01  
Revision B  
February, 1998  
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About This Guide  
The LS 2106 Product Reference Guide provides general instructions for setup, programming,  
operation, troubleshooting, and maintenance of the LS 2106 scanner.  
Notational Conventions  
The following conventions are used in this document:  
t
Bullets () indicate:  
s
s
s
action items  
lists of alternatives  
lists of required steps that are not necessarily sequential  
t
Sequential lists (e.g., those that describe step-by-step procedures) appear as  
numbered lists.  
Related Publications  
t
t
t
LS 2100 Series Q uick Reference Guide  
LS 2100 Product Reference Guide  
LS 2104 Product Reference Guide  
p/n 70-32817-xx  
p/n 70-32818-xx  
p/n 70-32820-xx  
Service Inform ation  
If you have a problem with your equipment, contact the Symbol Support Center. Before  
calling, have the model number, serial number, and several of your bar code symbols at hand.  
Call the Support Center from a phone near the scanning equipment so that the service person  
can try to talk you through your problem. If the equipment is found to be working properly  
and the problem is symbol readability, the Support Center will request samples of your bar  
codes for analysis at our plant.  
ix  
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Chapter 1  
Setting Up the LS 2106  
Introduction  
industrial applications. Advanced ergonomic design ensures comfortable use for extended  
periods of time.  
The LS 2100 Series hand-held scanner is based on the SE 1200 Series scan engine, mylar®  
scan element and the Visible Laser Diode (VLD). This state of the art technology gives the  
scanner a wider decode zone, greater depth of field, and a visible scan beam. This model reads  
color bar codes and symbols printed on all substrates. See the LS 2106 Decode Zone on page  
2-4.  
Figure 1-1. LS 2106 Scanner  
Heres what each member of the LS 2100 family offers you:  
t
LS 2100 - The aggressiveness of this discrete scanner is typical of the  
LS 2100 familys performance. It connects easily to, and is programmed by, the  
1-1  
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LS 2106 Product Reference Guide  
complete line of Symbol Technologies portable terminals and the full range of  
TM  
Symbol and OmniLink  
interface controllers.  
t
LS 2104 - With a simple cable change, this scanner is compatible with:  
s
s
RS 232C asynchronous terminals  
TM  
Synapse  
Smart Cables”, which allow you to connect to:  
s
s
Wand Emulation terminals  
IBM 4683/4, 4693/4 series of terminals  
All leading OCIA terminals, including NCR, Nixdorf, and ICL terminals.  
s
s
Dual RS-232 Hosts  
Popular OCR terminals, such as Fujitsu and ICL.  
t
LS 2106 - The LS 2106 scanner is a keyboard “wedge” interface which adds efficient,  
reliable bar code reading to your PS/2 or AT/XT terminal. Since entered scan data is  
scanner contains on-board discrete keyboard wedge communications for connecting  
to asynchronous terminals and host systems. It can also accommodate any of the  
Synapse™ Smart Cables” which allows you to connect to a wide variety of host  
systems. Some installations require one cable; others require additional adapters  
between the keyboard, the PC, and the y-cable.  
All of the LS 2100 series scan automatically at the rate of 36 scans per second. For decode  
capability, see Technical Specifications on page 3-3.  
Audience  
The intended audience for this manual is personnel performing installation/setup and  
programming of LS 2106 scanners.  
Unpacking  
Remove the LS 2106 from its packing and inspect it for damage. If the scanner was damaged  
in transit, call the Symbol Support Center at one of the telephone numbers listed on page x.  
KEEP THE PACKING. It is the approved shipping container and should be used if you ever  
need to return your equipment for servicing.  
1-2  
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Setting Up the LS 2106  
Setting Up the LS 2106  
Installing the Cable  
Insert the cable into the receptable on the bottom of the scanner, as shown below:  
Figure 1-2. Installing the Cable  
Switching Cables  
Different cables are required for different hosts. To change the scanner cable:  
1. Press the tab on the cable with a small screwdriver.  
2. Pull the cable out of the receptacle on the bottom of the scanner.  
3. Insert a new cable in the receptacle. Press the cable into the receptacle until you hear  
a click.  
1-3  
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LS 2106 Product Reference Guide  
Connecting to a Host  
Plug the connector at the end of the LS 2106 cable into the appropriate port on the Symbol  
interface controller or portable terminal. Refer to the controller user documentation for full  
details.  
Host  
LS 2106  
LS 2106  
Controller  
Host Connection through a Controller  
PDT  
Connecting to a PDT  
Host  
LS 2106  
Host  
LS 2106  
Synapse  
Sm art  
Cable  
Synapse  
Sm art  
Cable  
Synapse  
Adapter  
Cable  
Synapse  
Adapter  
Cable  
Power Supply  
(As Reqd_  
Power  
Supply  
(As Required)  
O CIA via Synapse  
RS-232 via Synapse Adapter Cable  
LS 2106  
LS 2106  
IBM 4683/84/93/94 C  
Cash Register  
Host  
Synapse  
Sm art  
Cable  
Synapse  
Adapter  
Cable  
Power Supply  
(As Required)  
IBM via Synapse Adapter Cable  
Direct RS-232 Connection  
Host  
LS 2106  
Host  
LS 2106  
Synapse  
Sm art  
Cable  
Power Supply  
(As Required)  
Keyboard Wedge via Synapse  
Keyboard Wedge  
Figure 1-3. Connecting to a Host  
1-4  
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Chapter 2  
Scanning with the LS 2106  
Introduction  
This chapter covers the proper techniques for scanning bar codes and the decode zone for the  
LS 2106 scanner.  
Scanning with the LS 2106  
Before you can use the scanner, it should have already been installed and programmed. If not,  
refer to Chapter 4, Parameter Menus for instructions on programming your scanner. If you  
need assistance, contact your local supplier or Symbol Techologies.  
1. Before you use the scanner, make sure all cable connections are secure.  
2. Make sure the bar code is in the correct scanning range. Aim and press the trigger;  
the scan beam lights and an orange light illuminates at the rear of the scanner. The  
scanner has read the symbol when:  
s
s
s
You hear a beep.  
The orange light turns green.  
The laser turns off.  
2-1  
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LS 2106 Product Reference Guide  
Figure 2-1. Holding the Scanner  
Aiming the Scanner  
Hold the scanner at an angle. Do not hold the scanner directly over the bar code. Laser light  
reflecting directly back into the scanner from the bar code is known as specular reflection.  
This strong light can “blind” the scanner and make decoding difficult. The area where  
specular reflection occurs is known as a “dead zone”.  
You can tilt the scanner up to 55° forward or back and achieve a successful decode. Simple  
practice quickly shows what tolerances to work within.  
2-2  
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Scanning with the LS 2106  
t
Scan the Entire Symbol  
s
The scan beam must cross every bar and space on the symbol (as in the left bar  
code below).  
s
s
The larger the symbol, the farther away you should hold the scanner.  
Hold the scanner closer for symbols with bars that are close together.  
Right  
Wrong  
012345  
012345  
W hat Does The Beep Mean?  
When you hear 1 beep (short high tone) it means data has been decoded successfully. If any  
other beeps are heard, contact the technical person in charge of scanning.  
When the symbol has been successfully decoded, you will hear a short, high-tone beep, and  
the green decode LED will light.  
For more specific information on the meanings of the various beeper sounds, refer to Beeper  
Indications on page 3-7.  
2-3  
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LS 2106 Product Reference Guide  
LS 2106 Decode Zone  
2-4  
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Chapter 3  
Maintenance and Specifications  
Introduction  
This chapter covers the appropriate methods for maintaining and the technical specifications  
for the scanner.  
Maintenance  
Cleaning the exit window is the only maintenance required. A dirty window may affect  
scanning accuracy.  
t
t
t
t
t
Do not allow any abrasive material to touch the window.  
Remove any dirt particles with a damp cloth.  
Wipe the window using a tissue moistened with ammonia/water.  
Do not spray water or other cleaning liquids directly into the window.  
Do not remove the nose of the scanner.  
Troubleshooting  
If, after following the operating instructions, the scanner does not work:  
t
t
Check the system power.  
Make sure the controller is programmed to decode bar codes of the symbology you  
are scanning.  
t
Check for loose cable connections.  
3-1  
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LS 2106 Product Reference Guide  
t
t
Make sure the symbol is not defaced.  
Try scanning test symbols of the same code type.  
If after performing these checks the symbol still does not scan, contact your distributor or call  
the Symbol Support Center. See page x for the telephone number.  
Accessories  
Standard Accessories:  
Description  
Part Number  
LS 2100 Series Quick  
Reference Guide  
70-32817-xx  
LS 2106 Product  
Reference Guide  
70-32821-xx  
50-01400-184  
Shipping Box  
Cables  
Description  
PS/2 Y” Scanner Cable  
PS/2 to AT/XT Adapter Connectors  
IBM SureOne PS2 Cable  
Synapse Adapter Cable  
110V Power Supply  
Part Number  
25-31828-01  
KT-32903-01(Set)  
25-17359-01  
25-31617-01  
50-14000-008  
50-14000-009  
220/240V Power Supply  
3-2  
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Maintenance and Specifications  
Optional Accessories  
Optional accessories, supplied at extra cost, include additional units of any item listed above  
and the following items:  
Description  
Part Number  
Hands-Free Stand-free  
standing  
21-33324-01  
Desk-Mount Stand  
21-33323-01  
Technical Specifications  
Item  
Description  
Power Requirements  
4.75 to 5.25 VDC; 180 mA @ 5 VDC Typical  
Low Power: 20µ maximum  
Decode Capability  
UPC/EAN,UPC/EAN with supplementals, UCC/EAN  
128, Code 39 Full ASCII, Code 128, Codabar,  
Interleaved 2 of 5, Discrete 2 of 5, Code 93, MSI/  
Plessey.  
Decode Depth of Field  
Maximum typical working distance is 11.0 in. (100%  
UPC/EAN); minimum element width resolution is 5.5  
mils  
Scan Repetition Rate  
Skew Tolerance  
Pitch Tolerance  
Yaw  
Approximately 36 scans/sec (bidirectional)  
± 55˚ min. (from normal)  
± 50° (from normal)  
± 35° at 6 in. on 100% UPC/EAN  
Print Contrast Minimum  
20% minimum reflectance differential, measured at  
675 nm.  
Ambient Light Immunity  
Immune to direct exposure to normal office and  
factory lighting conditions, as well as direct exposure  
to sunlight.  
Durability  
5 ft (152 cm) drops to concrete  
32° to 104°F (0° to 40°C)  
-40˚ to 140˚ (-40˚ to 60°C)  
Operating Temperature  
Storage Temperature  
3-3  
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LS 2106 Product Reference Guide  
Item  
Description  
Straight Cable Length  
6 ft (183 cm)  
Weight (without cable)  
Dimensions:  
Height  
5.5 oz. (170 gm)  
6.7 in (167 mm)  
2.8 in (70 mm)  
3.4 in (85 mm)  
Width  
Depth  
3-4  
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Maintenance and Specifications  
LS 2106 Signal Descriptions  
The following signal descriptions apply to the connection between the scanner and the cable,  
and are for reference only.  
Table 3-1. Signal Descriptions  
Pin  
2
Signal Name  
VBATT  
Function  
Input power.  
3
GROUND  
Power supply input ground pin and reference for both  
output signals. It must be capable of sinking all return  
current.  
4
Terminal Clock  
Bidirectional clock signal used to communicate between  
the host terminal and the scanner or keyboard.  
6
7
8
Synapse Data  
Synapse Clock  
Terminal Data  
Data line for Synapse communication.  
Clock line for Synapse communication.  
Bidirectional data signal used to communicate between the  
host terminal and the scanner or keyboard  
9
Keyboard Data Clamp Active-low output data signal used to communicate from  
the scanner to the keyboard.  
10  
Keyboard Clock  
Clamp  
Active-low output clock signal used to communicate from  
the scanner to the keyboard.  
3-5  
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LS 2106 Product Reference Guide  
PIN 10  
PIN 1  
Figure 3-1. 10-pin Connector  
3-6  
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Maintenance and Specifications  
Beeper Indications  
Standard Use  
Beeper Sequence  
Indication  
Short high tone  
A bar code symbol was decoded (if decode beeper is  
enabled).  
4 Beeps - long low tone  
A transmission error has been detected in a scanned  
symbol. The data is ignored. This will occur if a unit is  
not properly configured. Check option settings.  
5 Beeps - low tone  
Lo/hi/lo tone  
Convert or format error  
ADF transmit error  
Hi/hi/hi/lo tone  
RS-232 receive error  
Parameter Menu Scanning  
Short high tone  
Correct entry scanned or correct menu sequence  
performed.  
Lo/hi tone  
Input error, incorrect bar code or “Cancel” scanned,  
wrong entry, incorrect bar code programming sequence;  
remain in program mode.  
Hi/lo tone  
Keyboard parameter selected. Enter value using bar code  
keypad.  
Hi/lo/hi/lo tone  
Successful program exit with change in the parameter  
setting.  
Code 39 Buffering  
Hi/lo tone  
New Code 39 data was entered into the buffer.  
Code 39 buffer is full.  
3 Beeps - long high tone  
Lo/hi/lo tone  
The buffer was erased, or there was an attempt to  
transmit an empty buffer. When the Code 39 buffer was  
empty, the scanner read a command to clear or to  
transmit a Code 39 buffer.  
4 Beeps - long low tone  
Lo/hi tone  
Error in data transmission.  
A successful transmission of buffered data.  
3-7  
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Chapter 4  
Parameter Menus  
Introduction  
The LS 2106 is shipped with the settings shown in the Default Parameters beginning on page  
4-2. These default values are stored in non-volatile memory and are preserved even when the  
scanner is powered down. You can change these default values by scanning the appropriate  
bar codes included in this manual. These new values replace the standard default values in  
memory. The default parameter values can be recalled by scanning the SET ALL DEFAULTS  
bar code on page 4-7.  
The scanner automatically identifies the host type on power-up. It makes this determination  
provided the host is powered-up before the scanner is attached to it. The following table lists  
the defaults for all parameters. If you wish to change any option, scan the appropriate bar  
code(s).  
4-1  
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LS 2106 Product Reference Guide  
Default Param eters  
Table 4-1. Default Param eters  
Parameter  
Default  
Page  
Number  
Set Default Parameter  
All Defaults  
High  
4-7  
4-8  
Beeper Volume  
Laser On Time  
3.0 seconds  
Continuous  
Enable  
4-9  
Power Mode  
4-10  
4-11  
4-12  
4-13  
4-14  
Beep After Good Decode  
Transmit “No Read” Message  
Decode Redundancy  
Autodiscriminate Response Time  
UPC/EAN  
Disable  
Level 0  
1 second  
UPC-A  
Enable  
Enable  
4-15  
4-15  
4-16  
4-16  
4-17  
4-18  
4-19  
4-19  
4-20  
4-21  
UPC-E  
EAN-8  
Enable  
EAN-13  
Enable  
Bookland EAN  
Disable  
Decode UPC/EAN Supplementals  
Transmit UPC-A Check Digit  
Transmit UPC-E Check Digit  
UPC-A Preamble  
UPC-E Preamble  
Ignore  
Enable  
Enable  
System Character  
System Character  
4-2  
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Parameter Menus  
Table 4-1. Default Param eters (Continued)  
Parameter  
Default  
Page  
Number  
Convert UPC-E to A  
EAN-8 Zero Extend  
Disable  
Disable  
EAN13  
4-22  
4-23  
4-24  
EAN Zero Extend Code Type  
Code 128  
Code 128  
Enable  
Enable  
4-25  
4-26  
UCC/EAN-128  
Code 39  
Code 39  
Enable  
Disable  
Disable  
Disable  
Disable  
4-27  
4-28  
4-29  
4-30  
4-31  
Code 39 Check Digit Verification  
Transmit Code 39 Check Digit  
Code 39 Full ASCII Conversion  
Buffer Code 39  
4-3  
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LS 2106 Product Reference Guide  
Table 4-1. Default Param eters (Continued)  
Parameter  
Default  
Page  
Number  
Code 93  
Code 93  
Disable  
4-34  
Interleaved 2 of 5  
Interleaved 2 of 5  
Enable  
14  
4-35  
4-36  
4-37  
Set Length(s) for I 2 of 5  
Convert I 2 of 5 to EAN 13  
Discrete 2 of 5  
Disable  
Discrete 2 of 5  
Disable  
12  
4-38  
4-39  
Set Length(s) for D 2 of 5  
Codabar  
Codabar  
Disable  
Disable  
Disable  
4-40  
4-41  
4-42  
CLSI Editing  
NOTIS Editing  
4-4  
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Parameter Menus  
Table 4-1. Default Param eters (Continued)  
Parameter  
Default  
Page  
Number  
MSI Plessey  
MSI Plessey  
Disable  
One  
4-43  
4-44  
4-45  
4-46  
MSI Plessey Check Digits  
Transmit MSI Plessey Check Digit  
MSI Plessey Check Digit Algorithm  
Data Options  
Disable  
Mod 10/Mod 10  
Transmit Code ID Character  
Prefix/Suffix Values  
None  
4-48  
4-49  
7013  
(<CR/LF> for serial)  
Scan Data Transmission Format  
Data as is  
4-51  
4-5  
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LS 2106 Product Reference Guide  
Table 4-1. Default Param eters (Continued)  
Parameter  
Default  
Page  
Number  
Keyboard Wedge  
Host Type  
IBM PC AT  
North American  
Enabled  
4-52  
4-53  
4-55  
4-56  
National Keyboard Type  
Fast Transmit  
Intercharacter Delay  
0
4-6  
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Parameter Menus  
Set Default Param eter  
Scanning this bar code returns all parameters to the default values listed in Table 4-1.  
beginning on page 4-2.  
SET ALL DEFAULTS  
4-7  
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LS 2106 Product Reference Guide  
Beeper Volum e  
To select a beeper volume, scan the LOW VOLUME or HIGH VOLUME bar code.  
LOW VO LUME  
HIGH VO LUME  
4-8  
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Parameter Menus  
Laser O n Tim e  
This parameter sets the maximum time decode processing continues during a scan attempt.  
It is programmable in 0.1 second increments from 0.5 to 9.9 seconds.  
To set a Laser On Time, scan the bar code below. Next scan two numeric bar codes beginning  
on page 4-57 that correspond to the desired time on. Single digit numbers must have a leading  
zero. For example, to set a Time On of .5 seconds, scan the bar code below, then scan the “0”  
and “5” bar codes. If you make an error, or wish to change your selection, scan the CANCEL  
bar code on page 4-59.  
LASER O N TIME  
4-9  
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LS 2106 Product Reference Guide  
Power Mode  
This parameter determines whether or not power remains on after a decode attempt. When  
in low power mode, the scanner enters into a low power consumption mode to preserve  
battery life after each decode attempt. When in continuous power mode, power remains on  
after each decode attempt.  
CO NTINUO US O N  
LOW POW ER  
4-10  
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Parameter Menus  
Beep After Good Decode  
Scan this symbol if you want the unit to beep after a good decode.  
BEEP AFTER GO O D DECO DE  
Do Not Beep After Good Decode  
Scan this symbol if you do not want the unit to beep after a good decode. The beeper still  
operates during parameter menu scanning and indicates error conditions.  
DO NOT BEEP AFTER GO O D DECO DE  
4-11  
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LS 2106 Product Reference Guide  
Transm it “No Read” Message  
When enabled, if a symbol does not decode, “NR” is transmitted. Any prefixes or suffixes  
which have been enabled are appended around this message.  
ENABLE NO READ  
Do Not Transm it “No Read” Message  
When disabled, if a symbol does not read, nothing is sent to the host.  
DISABLE NO READ  
4-12  
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Parameter Menus  
Decode Redundancy  
Use this parameter to indicate whether the scanner must read a bar code one time (Level 0),  
two times (Level 1) or three times (Level 2) before decoding it. A higher level of redundancy  
ensures the accuracy of a decode in, for example, poor quality symbols.  
LEVEL 0  
LEVEL 1  
LEVEL 2  
4-13  
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LS 2106 Product Reference Guide  
Autodiscrim inate Response Tim e  
This parameter extends the length of time during which the scanner tries to detect which host  
it is connected to on power up.  
Note: When connected to an LS 5700/5800, the 5-second option must be  
used.  
1 SECO ND (default)  
5 SECO NDS  
4-14  
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Parameter Menus  
Enable/Disable UPC-E/UPC-A  
To enable or disable UPC-E or UPC-A, scan the appropriate bar code below.  
ENABLE UPC-E  
DISABLE UPC-E  
ENABLE UPC-A  
DISABLE UPC-A  
4-15  
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LS 2106 Product Reference Guide  
Enable/Disable EAN-8/EAN-13  
To enable or disable EAN-8 or EAN-13, scan the appropriate bar code below.  
ENABLE EAN-8  
DISABLE EAN-8  
ENABLE EAN-13  
DISABLE EAN-13  
4-16  
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Parameter Menus  
Enable/Disable Bookland EAN  
To enable or disable EAN Bookland, scan the appropriate bar code below.  
ENABLE BO O KLAND EAN  
DISABLE BO O KLAND EAN  
4-17  
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LS 2106 Product Reference Guide  
Decode UPC/EAN Supplem entals  
Supplementals are additionally appended characters (2 or 5) according to specific code  
format conventions (e.g., UPC A+2, UPC E+2, EAN 8+2). Three options are available.  
supplemental characters are not decoded.  
If UPC/EAN without supplemental characters is selected, and the LS 2106 is presented  
with a UPC/EAN plus supplemental symbol, the UPC/EAN is decoded and the  
supplemental characters ignored.  
An autodiscriminate option is also available. If this option is selected, choose an appropriate  
Transmit UPC-A/UPC-E Check Digit value from the next page. A value of 5 or more is  
recommended.  
Note: In order to minimize the risk of invalid data transmission, it is recommended  
that you select whether to read or ignore supplemental characters.  
DECO DE UPC/EAN W ITH SUPPLEMENTALS  
IGNO RE UPC/EAN W ITH SUPPLEMENTALS  
AUTO DISCRIMINATE UPC/EAN SUPPLEMENTALS  
4-18  
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Parameter Menus  
Transm it UPC-A/UPC-E Check Digit  
Scan the appropriate bar code below to transmit the symbol with or without the UPC-A or  
UPC-E check digit.  
TRANSMIT UPC-A CHECK DIGIT  
DO NOT TRANSMIT UPC-A CHECK DIGIT  
TRANSMIT UPC-E CHECK DIGIT  
DO NOT TRANSMIT UPC-E CHECK DIGIT  
4-19  
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LS 2106 Product Reference Guide  
UPC-A Pream ble  
Three options are given for lead-in characters for UPC-A symbols transmitted to the host  
device: transmit system character only, transmit system character and country code (“0” for  
USA), and no preamble transmitted. The lead-in characters are considered part of the symbol.  
NO PREAMBLE  
(<DATA>)  
SYSTEM CHARACTER  
(<SYSTEM CHARACTER> <DATA>)  
SYSTEM CHARACTER & CO UNTRY CO DE  
(< CO UNTRY CO DE> <SYSTEM CHARACTER> <DATA>)  
4-20  
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Parameter Menus  
UPC-E Pream ble  
Three options are given for lead-in characters for UPC-E symbols transmitted to the host  
device: transmit system character only, transmit system character and country code (“0” for  
USA), and no preamble transmitted. The lead-in characters are considered part of the symbol.  
NO PREAMBLE  
(<DATA>)  
SYSTEM CHARACTER  
(<SYSTEM CHARACTER> <DATA>)  
SYSTEM CHARACTER & CO UNTRY CO DE  
(< CO UNTRY CO DE> <SYSTEM CHARACTER> <DATA>)  
4-21  
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LS 2106 Product Reference Guide  
Convert UPC-E to UPC-A  
This parameter converts UPC-E (zero suppressed) decoded data to UPC-A format before  
transmission. After conversion, data follows UPC-A format and be affected by UPC-A  
programming selections (e.g., Preamble, Check Digit).  
Scanning DO NOT CONVERT UPC-E TO UPC-A allows you to transmit  
UPC-E (zero suppressed) decoded data.  
CO NVERT UPC-E TO UPC-A  
(ENABLE)  
DO NOT CO NVERT UPC-E TO UPC-A  
(DISABLE)  
4-22  
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Parameter Menus  
EAN Zero Extend  
If this parameter is enabled, five leading zeros are added to decoded EAN-8 symbols to make  
them compatible in format to EAN-13 symbols.  
Disabling this parameter returns EAN-8 symbols to their normal format.  
ENABLE EAN ZERO EXTEND  
DISABLE EAN ZERO EXTEND  
4-23  
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LS 2106 Product Reference Guide  
EAN Zero Extend Code Type  
This parameter allows a decoded EAN-8 symbol that has been converted to EAN-13 to be  
transmitted with either an EAN-13 code type or an EAN-8 code type.  
TYPE IS EAN-13 (Default)  
TYPE IS EAN-8  
4-24  
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Parameter Menus  
Enable/Disable Code 128  
To enable or disable Code 128, scan the appropriate bar code below.  
ENABLE CO DE 128  
DISABLE CO DE 128  
4-25  
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LS 2106 Product Reference Guide  
Enable/Disable UCC/EAN-128  
To enable or disable UCC/EAN-128, scan the appropriate bar code below.  
ENABLE UCC/EAN-128  
DISABLE UCC/EAN-128  
4-26  
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Parameter Menus  
Enable/Disable Code 39  
To enable or disable Code 39, scan the appropriate bar code below.  
ENABLE CO DE 39  
DISABLE CO DE 39  
4-27  
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LS 2106 Product Reference Guide  
Code 39 Check Digit Verification  
When enabled, this parameter checks the integrity of a Code 39 symbol to ensure it complies  
with specified algorithms.  
Only those code 39 symbols which include a modulo 43 check digit are decoded when this  
parameter is enabled.  
ENABLE CO DE 39 CHECK DIGIT  
DISABLE CO DE 39 CHECK DIGIT  
4-28  
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Parameter Menus  
Transm it Code 39 Check Digit  
Scan this symbol if you want to transmit the check digit with the data.  
TRANSMIT CO DE 39 CHECK DIGIT  
(ENABLE)  
Do Not Transm it Code 39 Check Digit  
Scan this symbol if you want to transmit the data without the check digit.  
DO NOT TRANSMIT CO DE 39 CHECK DIGIT  
(DISABLE)  
4-29  
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LS 2106 Product Reference Guide  
Enable/Disable Code 39 Full ASCII  
To enable or disable Code 39 Full ASCII, scan the appropriate bar code below.  
When enabled, the ASCII character set assigns a code to letters, punctuation marks,  
numerals, and most control keystrokes on the keyboard.  
The first 32 codes are non-printable and are assigned to keyboard control characters such as  
BACKSPACE and RETURN. The other 96 are called printable codes because all but SPACE  
and DELETE produce visible characters.  
Code 39 Full ASCII interprets the bar code special character ($ + % /) preceding a Code 39  
character and assigns an ASCII character value to the pair. For example, when Code 39 Full  
ASCII is enabled and a +B is scanned, it is interpreted as b, % J as ?, and $H emulates the  
keystroke BACKSPACE. Scanning ABC$M outputs the keystroke equivalent of ABC  
ENTER.  
The scanner does not autodiscriminate between Code 39 and Code 39 Full ASCII.  
ENABLE CO DE 39 FULL ASCII  
DISABLE CO DE 39 FULL ASCII  
4-30  
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Parameter Menus  
Code 39 Buffering (Scan & Store)  
When you select the scan and store option, all Code 39 symbols having a leading space as a  
first character are temporarily buffered in the unit to be transmitted later. The leading space  
is not buffered.  
Decode of a valid Code 39 symbol with no leading space causes transmission in sequence of  
all buffered data in a first-in first-out format, plus transmission of the “triggering” symbol.  
See the following pages for further details.  
When the scan and transmit option is selected, decoded Code 39 symbols without leading  
spaces are transmitted without being stored in the buffer.  
Scan and Store affects Code 39 decodes only. If you select scan and store, we recommend that  
you configure the scanner to decode Code 39 symbology only.  
BUFFER CO DE 39  
(ENABLE)  
DO NOT BUFFER CO DE 39  
(DISABLE)  
While there is data in the transmission buffer, deleting Code 39 buffering capability via  
the parameter menu is not allowed. The buffer holds 200 bytes of information.  
To allow disabling of Code 39 buffering, first force the buffer transmission (see Transmit  
Buffer) or clear the buffer. Both the CLEAR BUFFER and TRANSMIT BUFFER bar codes  
are length 1. Be sure Code 39 length is set to include length 1.  
4-31  
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LS 2106 Product Reference Guide  
Buffer Data  
To buffer data, Code 39 buffering must be enabled, and a symbol must be read with a space  
immediately following the start pattern.  
t
Unless symbol overflows the transmission buffer, the unit gives a lo/hi beep to  
indicate successful decode and buffering. See O verfilling Transmission Buffer.  
t
t
Unit adds the message, excluding the leading space to the transmission buffer.  
No transmission occurs.  
Clear Transmission Buffer  
To clear the transmission buffer, read a symbol which contains only a start character, a dash  
(minus), and a stop character.  
t
Unit issues a short hi/lo/hi beep to signal that the transmission buffer has been erased,  
and no transmission has occurred.  
t
t
Unit erases the transmission buffer.  
No transmission occurs.  
CLEAR BUFFER  
4-32  
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Parameter Menus  
Transmit Buffer  
To transmit the buffer, read a symbol containing either the first or second condition:  
1. Only a start character, a plus (+), and a stop character.  
s
s
s
The unit signals that the transmission buffer has been sent (a lo/hi beep).  
Unit sends the buffer.  
Unit clears the buffer.  
TRANSMIT BUFFER  
2. A Code 39 bar code with leading character other than a space.  
s
The unit signals a good decode and buffering of that decode has occurred by  
giving a hi/lo beep.  
s
s
Unit transmits the buffer.  
Unit signals that the buffer has been transmitted with a lo/hi beep.  
OverfillingTransmission Buffer  
If the symbol just read results in an overflow of the transmission buffer:  
t
Unit indicates that the symbol has been rejected by issuing three long, high beeps.  
No transmission occurs. Data in buffer is not affected.  
s
Attempt to Transmit an Empty Buffer  
If the symbol just read was the transmit buffer symbol and the Code 39 buffer is empty:  
t
t
t
A short lo/hi/lo beep signals that the buffer is empty.  
No transmission occurs.  
The buffer remains empty.  
4-33  
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LS 2106 Product Reference Guide  
Enable/Disable Code 93  
To enable or disable Code 93, scan the appropriate bar code below.  
ENABLE CO DE 93  
DISABLE CO DE 93  
4-34  
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Parameter Menus  
Enable/Disable Interleaved 2 of 5  
To enable or disable Interleaved 2 of 5, scan the appropriate bar code below.  
ENABLE INTERLEAVED 2 O F 5  
DISABLE INTERLEAVED 2 O F 5  
4-35  
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LS 2106 Product Reference Guide  
Set Lengths for Interleaved 2 of 5  
a specific range. The length of a code refers to the number of characters (i.e., human readable  
characters) the code contains, and includes check digits.  
One Discrete Length - This option allows you to decode only those codes containing a  
selected length. For example, if you select I 2 of 5 One Discrete Length, then scan 1, 4, the  
only I 2 of 5 symbols decoded are those containing 14 characters. Numeric bar codes begin  
on page 4-57. If you make an error or wish to change your selection, scan CANCEL on  
page 4-59.  
I 2 of 5 - O NE DISCRETE LENGTH  
Two Discrete Lengths - This option allows you to decode only those codes containing two  
selected lengths. For example, if you select I 2 of 5 Two Discrete Lengths, then scan 0, 2, 1,  
4, the only I 2 of 5 symbols decoded are those containing 2 or 14 characters. Numeric bar  
codes begin on page 4-57. If you make an error or wish to change your selection, scan  
CANCEL on page 4-59.  
I 2 of 5 -TW O DISCRETE LENGTHS  
4-36  
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Parameter Menus  
Convert I 2 of 5 to EAN-13  
This parameter converts a 14 character I 2 of 5 code into EAN-13, and transmits to the host  
as EAN-13. In order to accomplish this, the I 2 of 5 code must be enabled, one length must  
be set to 14, and the code must have a leading zero and a valid EAN-13 check digit.  
CO NVERT I 2 of 5 to EAN-13  
(ENABLE)  
DO NOT CO NVERT I 2 of 5 to EAN-13  
(DISABLE)  
4-37  
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LS 2106 Product Reference Guide  
Enable/Disable Discrete 2 of 5  
To enable or disable Discrete 2 of 5, scan the appropriate bar code below.  
ENABLE DISCRETE 2 O F 5  
DISABLE DISCRETE 2 O F 5  
4-38  
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Parameter Menus  
Set Lengths for Discrete 2 of 5  
a specific range. The length of a code refers to the number of characters (i.e., human readable  
characters) the code contains, and includes check digits.  
One Discrete Length - This option allows you to decode only those codes containing a  
selected length. For example, if you select D 2 of 5 One Discrete Length, then scan 1, 4, the  
only D 2 of 5 symbols decoded are those containing 14 characters. Numeric bar codes begin  
on page 4-57. If you make an error or wish to change your selection, scan CANCEL on  
page 4-59.  
D 2 of 5 - O NE DISCRETE LENGTH  
Two Discrete Lengths - This option allows you to decode only those codes containing two  
selected lengths. For example, if you select D 2 of 5 Two Discrete Lengths, then scan 0, 2, 1,  
4, the only D 2 of 5 symbols decoded are those containing 2 or 14 characters. Numeric bar  
codes begin on page 4-57. If you make an error or wish to change your selection, scan  
CANCEL on page 4-59.  
D 2 of 5 -TW O DISCRETE LENGTHS  
4-39  
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LS 2106 Product Reference Guide  
Enable/Disable Codabar  
To enable or disable Codabar, scan the appropriate bar code below.  
ENABLE CO DABAR  
DISABLE CO DABAR  
4-40  
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Parameter Menus  
CLSI Editing  
When enabled, this parameter strips the start and stop characters and inserts a space after the  
first, fifth, and tenth characters of a 14-character Codabar symbol.  
Note: Symbol length does not include start and stop characters.  
ENABLE CLSI EDITING  
DISABLE CLSI EDITING  
4-41  
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LS 2106 Product Reference Guide  
NOTIS Editing  
When enabled, this parameter strips the start and stop characters from decoded Codabar  
symbol.  
ENABLE NOTIS EDITING  
DISABLE NOTIS EDITING  
4-42  
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Parameter Menus  
Enable/Disable MSI Plessey  
To enable or disable MSI Plessey, scan the appropriate bar code below.  
ENABLE MSI PLESSEY  
DISABLE MSI PLESSEY  
4-43  
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LS 2106 Product Reference Guide  
MSI Plessey Check Digits  
These check digits, at the end of the bar code verify the integrity of the data. At least one  
check digit is always required. Check digits are not automatically transmitted with the data.  
O NE MSI Plessey CHECK DIGIT  
TW O MSI Plessey CHECK DIGIT  
4-44  
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Parameter Menus  
Transm it MSI Plessey Check Digit  
Scan this symbol if you want to transmit the check digit with the data.  
TRANSMIT MSI Plessey CHECK DIGIT  
(ENABLE)  
Do Not Transm it MSI Plessey Check Digit  
Scan this symbol if you want to transmit the data without the check digit.  
DO NOT TRANSMIT MSI Plessey CHECK DIGIT  
(DISABLE)  
4-45  
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LS 2106 Product Reference Guide  
MSI Plessey Check Digit Algorithm  
When the two MSI Plessey check digits option is selected, an additional verification is  
required to ensure integrity. Either of the two following algorithms may be selected.  
MO D 11/MO D 10  
MO D 10/MO D 10  
4-46  
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Parameter Menus  
Transm it Code ID Character  
A code ID character identifies the code type of a scanned bar code. This may be useful when  
the scanner is decoding more than one code type. In addition to any single character prefix  
already selected, the code ID character is inserted between the prefix and the decoded symbol.  
The user may select no code ID character, a Symbol Code ID character, or an AIM Code ID  
character. The Symbol Code ID characters are listed below.  
A = UPC-A, UPC-E, EAN-8, EAN-13  
B = Code 39  
C = Codabar  
D = Code 128  
E = Code 93  
F = Interleaved 2 of 5  
G = Discrete 2 of 5, or Discrete 2 of 5 IATA  
J = MSI Plessey  
K = UCC/EAN-128  
L = Bookland EAN  
4-47  
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LS 2106 Product Reference Guide  
Transm it Code ID Character  
SYMBO L CO DE ID CHARACTER  
AIM CO DE ID CHARACTER  
NO NE  
4-48  
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Parameter Menus  
Prefix/Suffix Values  
A prefix/suffix may be appended to scan data for use in data editing. These values are set by  
scanning a four-digit number (i.e. four bar codes) that corresponds to key codes for various  
terminals. See Table A-1 on page A-1 for conversion information. Numeric bar codes begin  
on page 4-57. If you make an error or wish to change your selection, scan CANCEL on  
page 4-59.  
SCAN PREFIX  
SCAN SUFFIX  
SCAN SUFFIX 2  
4-49  
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LS 2106 Product Reference Guide  
Scan Data Transm ission Form at  
Use this parameter to change the format of the scanned data.  
DATA AS IS  
<DATA><SUFFIX 1>  
<DATA> <SUFFIX 2>  
4-50  
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Parameter Menus  
Scan Data Transm ission Form at (contd)  
<DATA <SUFFIX 1><SUFFIX 2>  
<PREFIX> <DATA>  
<PREFIX><DATA><SUFFIX 1>  
<PREFIX><DATA><SUFFIX 2>  
<PREFIX><DATA><SUFFIX 1><SUFFIX 2>  
4-51  
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LS 2106 Product Reference Guide  
Host Interfaces  
Use these bar codes to select your host interface.  
IBM PC/AT IBM PS/2-50, 55SX, 60, 70, 80 (Default)  
IBM PS/2-30  
IBM PC/XT  
NCR 7052  
4-52  
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Parameter Menus  
National Keyboard Types  
Use these bar codes to select the appropriate national keyboard type.  
North Am erican (Default)  
French  
Germ an  
French International  
4-53  
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LS 2106 Product Reference Guide  
Spanish  
Italian  
Swedish  
British  
4-54  
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Parameter Menus  
Fast Transm it  
Older systems may require a slower transmission method. If your system still needs additional  
time to process keyboard dat after setting an Intercharacter Delay, scan the DISABLE FAST  
TRANSMIT bar code.  
ENABLE FAST TRANSMIT  
DISABLE FAST TRANSMIT (Default)  
4-55  
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LS 2106 Product Reference Guide  
Intercharacter Delay  
Select the intercharacter delay option matching host requirements. The intercharacter delay  
gives the host system time to service its receiver and perform other tasks between characters.  
The delay period can range from no delay to 99 msec in 1-msec increments. After scanning  
the bar code below, scan two bar codes beginning on page 4-57 to set the desired time-out.  
If you make an error or wish to change your selection, scan CANCEL on page 4-59.  
INTERCHARACTER DELAY  
4-56  
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Parameter Menus  
Num eric Bar Codes  
For parameters requiring specific numeric values, scan the appropriately numbered bar  
code(s).  
0
1
2
3
4-57  
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LS 2106 Product Reference Guide  
Num eric Bar Codes (contd)  
4
5
6
7
8
4-58  
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Parameter Menus  
Num eric Bar Codes (contd)  
9
Cancel  
If you make an error or wish to change your selection, scan the bar code below.  
CANCEL  
4-59  
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LS 2106 Product Reference Guide  
Keyboard Maps  
The keyboard maps on the following pages are provided for prefix/suffix keystroke  
parameters, and are used only with scanners that support data formatting. To program the  
prefix/suffix values, see the bar codes on page 4-49.  
5001  
5003  
5005  
5007  
5009  
7014  
7008  
5002  
5004  
5006  
5008  
5010  
7009  
7012  
7004  
7003  
7006  
7013  
7011  
7002  
Figure 4-1. IBM PC/XT Keyboard  
5001  
5003  
5005  
5007  
5009  
7008  
7013  
7014  
7012  
5002  
7009  
7003  
5004  
5006  
5008  
5010  
7004  
7011  
7002  
Figure 4-2. IBM PC/AT Keyboard  
4-60  
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Parameter Menus  
Normal  
CNTRL  
7010  
3023  
7006  
7001  
7014  
5001  
5002  
5003  
5004  
5005  
5006  
5007 5008  
5009  
5010  
5011  
5012  
7011  
7002  
7008  
7012  
7004  
7003  
7005  
6047  
6045  
6043  
6042  
7019  
7009  
7013  
7015  
7016  
6058  
7017  
7018  
Figure 4-3. IBM PS2 Keyboard  
5002  
1045 5013  
5001  
5003  
5005  
5007  
5011  
5014 5015  
1043 5016  
5004  
5006  
5018  
5019  
5008  
5010  
5017  
7013  
5009  
5012  
(1048 if double key)  
1046  
1048  
(7013 if double key)  
Figure 4-4. NCR 7052 32-Key Keyboard  
4-61  
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LS 2106 Product Reference Guide  
1068  
1067  
1066  
1070  
1071  
1065  
1072  
1079  
1069  
1076  
1083  
1075  
1082  
1074  
1081  
1073  
1080  
1077  
1084  
1078  
1085  
5002  
1045 5013  
1086  
5001  
5003  
5005  
5007  
5011  
5014 5015  
1043 5016  
1087  
1088  
1089  
5004  
5006  
5018  
5019  
5008  
5010  
5017  
7013  
1090  
5009  
5012  
(1048 if double key)  
1046  
1048  
(1043 if double key)  
Figure 4-5. NCR 7052 58-Key Keyboard  
4-62  
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Appendix A  
ASCII Character Set  
Table A-1. ASCII Character Set  
ASCII Value  
Full ASCII  
Code 39  
Keystroke  
Encode Char.  
1000  
1001  
1002  
1003  
1004  
1005  
1006  
1007  
1008  
1009  
1010  
1011  
1012  
1013  
% U  
$A  
$B  
$C  
$D  
$E  
$F  
CTRL 2  
CTRL A  
CTRL B  
CTRL C  
CTRL D  
CTRL E  
CTRL F  
CTRL G  
CTRL H  
CTRL I  
CTRL J  
CTRL K  
CTRL L  
CTRL M  
$G  
$H  
$I  
$J  
$K  
$L  
$M  
A-1  
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LS 2106 Product Reference Guide  
Table A-1. ASCII Character Set (Continued)  
1014  
1015  
1016  
1017  
1018  
1019  
1020  
1021  
1022  
1023  
1024  
1025  
1026  
1027  
1028  
1029  
1030  
1031  
1032  
1033  
1034  
1035  
1036  
1037  
1038  
1039  
1040  
$N  
$O  
$P  
CTRL N  
CTRL O  
CTRL P  
CTRL Q  
CTRL R  
CTRL S  
CTRL T  
CTRL U  
CTRL V  
CTRL W  
CTRL X  
CTRL Y  
CTRL Z  
CTRL [  
CTRL \  
CTRL ]  
CTRL 6  
CTRL -  
Space  
!
$Q  
$R  
$S  
$T  
$U  
$V  
$W  
$X  
$Y  
$Z  
% A  
% B  
% C  
% D  
% E  
Space  
/A  
/B  
/C  
#
/D  
E
/E  
%
/F  
&
/G  
/H  
(
A-2  
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ASCII Character Set  
Table A-1. ASCII Character Set (Continued)  
1041  
1042  
1043  
1044  
1045  
1046  
1047  
1048  
1047  
1050  
1051  
1052  
1053  
1054  
1055  
1056  
1057  
1058  
1059  
1060  
1061  
1062  
1063  
1064  
1065  
1066  
1067  
/I  
)
/J  
*
+
,
/K  
/L  
-
-
.
.
/
/
0
0
1
2
3
4
5
6
7
8
9
:
1
2
3
4
5
6
7
8
9
/Z  
% F  
% G  
% H  
% I  
% J  
% V  
A
B
;
<
=
>
?
@
A
B
C
C
A-3  
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LS 2106 Product Reference Guide  
Table A-1. ASCII Character Set (Continued)  
1068  
1069  
1070  
1071  
1072  
1073  
1074  
1075  
1076  
1077  
1078  
1079  
1080  
1081  
1082  
1083  
1084  
1085  
1086  
1087  
1088  
1089  
1090  
1091  
1092  
1093  
1094  
D
D
E
F
E
F
G
G
H
I
H
I
J
J
K
K
L
M
N
O
P
L
M
N
O
P
Q
Q
R
S
R
S
T
T
U
V
W
X
Y
Z
[
U
V
W
X
Y
Z
% K  
% L  
% M  
% N  
\
]
^
A-4  
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ASCII Character Set  
Table A-1. ASCII Character Set (Continued)  
1095  
1096  
1097  
1098  
1099  
1100  
1101  
1102  
1103  
1104  
1105  
1106  
1107  
1108  
1109  
1110  
1111  
1112  
1113  
1114  
1115  
1116  
1117  
1118  
1119  
1120  
1121  
% O  
% W  
+A  
+B  
+C  
+D  
+E  
+F  
_
a
b
c
d
e
f
+G  
+H  
+I  
g
h
i
+J  
j
+K  
+L  
+M  
+N  
+O  
+P  
k
l
m
n
o
p
q
r
+Q  
+R  
+S  
s
+T  
+U  
+V  
+W  
+X  
+Y  
t
u
v
w
x
y
A-5  
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LS 2106 Product Reference Guide  
Table A-1. ASCII Character Set (Continued)  
1122  
1123  
1124  
1125  
1126  
1127  
1128  
ALT Keys  
2064  
2065  
2066  
2067  
2068  
2069  
2070  
2071  
2072  
2073  
2074  
2075  
2076  
2077  
2078  
2079  
2080  
2081  
2082  
+Z  
z
% P  
% Q  
% R  
% S  
{
|
}
~
Undefined  
Keystroke  
ALT 2  
ALT A  
ALT B  
ALT C  
ALT D  
ALT E  
ALT F  
ALT G  
ALT H  
ALT I  
ALT J  
ALT K  
ALT L  
ALT M  
ALT N  
ALT O  
ALT P  
ALT Q  
ALT R  
A-6  
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ASCII Character Set  
Table A-1. ASCII Character Set (Continued)  
2083  
2084  
2085  
2086  
2087  
2088  
2089  
2090  
2091  
2092  
2093  
2094  
2095  
Misc. Key  
3001  
3002  
3003  
3004  
3005  
3006  
3007  
3008  
3009  
3010  
3011  
3012  
3013  
ALT S  
ALT T  
ALT U  
ALT V  
ALT W  
ALT X  
ALT Y  
ALT Z  
ALT [  
ALT \  
ALT ]  
ALT 6  
ALT -  
Keystroke  
PA 1  
PA 2  
CMD 1  
CMD 2  
CMD 3  
CMD 4  
CMD 5  
CMD 6  
CMD 7  
CMD 8  
CMD 9  
CMD 10  
¥
A-7  
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LS 2106 Product Reference Guide  
Table A-1. ASCII Character Set (Continued)  
3014  
3015  
£
¤
3016  
3017  
3018  
3019  
3020  
3021  
3022  
PF Keys  
4001  
4002  
4003  
4004  
4005  
4006  
4007  
4008  
4009  
4010  
4011  
4012  
4013  
4014  
4015  
4016  
4017  
¬
°
1/2  
§
|
0/00  
Keystrokes  
PF 1  
PF 2  
PF 3  
PF 4  
PF 5  
PF 6  
PF 7  
PF 8  
PF 9  
PF 10  
PF 11  
PF 12  
PF 13  
PF 14  
PF 15  
PF 16  
PF 17  
A-8  
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ASCII Character Set  
Table A-1. ASCII Character Set (Continued)  
4018  
4019  
4020  
4021  
4022  
4023  
4024  
F Keys  
5001  
5002  
5003  
5004  
5005  
5006  
5007  
5008  
5009  
5010  
5011  
5012  
5013  
5014  
5015  
5016  
5017  
5018  
5019  
PF 18  
PF 19  
PF 20  
PF 21  
PF 22  
PF 23  
PF 24  
Keystroke  
F1  
F2  
F3  
F4  
F5  
F6  
F7  
F8  
F9  
F10  
F11  
F12  
F13  
F14  
F15  
F16  
F17  
F18  
F19  
A-9  
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LS 2106 Product Reference Guide  
Table A-1. ASCII Character Set (Continued)  
5020  
5021  
F20  
F21  
5022  
5023  
5024  
5025  
5026  
5027  
5028  
5029  
5030  
5031  
5032  
5033  
5034  
5035  
5036  
5037  
5038  
5039  
5040  
F22  
F23  
F24  
F25  
F26  
F27  
F28  
F29  
F30  
F31  
F32  
F33  
F34  
F35  
F36  
F37  
F38  
F39  
F40  
Numeric  
Keypad  
Keystroke  
6042  
6043  
6044  
6045  
*
+
undefined  
-
A-10  
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ASCII Character Set  
Table A-1. ASCII Character Set (Continued)  
6046  
6047  
6048  
6049  
6050  
6051  
6052  
6053  
6054  
6055  
6056  
6057  
6058  
6059  
6060  
.
/
0
1
2
3
4
5
6
7
8
9
Enter  
Num Lock  
00  
Extended  
Keypad  
Keystroke  
7001  
7002  
7003  
7004  
7005  
7006  
7007  
7008  
7009  
7010  
7011  
Break  
Delete  
Pg Up  
End  
Pg Dn  
Pause  
Scroll Lock  
Backspace  
Tab  
Print Screen  
Insert  
A-11  
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LS 2106 Product Reference Guide  
Table A-1. ASCII Character Set (Continued)  
7012  
7013  
Home  
Enter  
7014  
7015  
7016  
7017  
7018  
7019  
Escape  
Up Arrow  
Dn Arrow  
Left Arrow  
Right Arrow  
Back Tab  
A-12  
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Glossary  
Aperture  
ASCII  
The opening in an optical system defined by a lens or baffle that  
establishes the field of view.  
American Standard Code for Information Interchange. A 7 bit-plus-  
parity code representing 128 letters, numerals, punctuation marks,  
and control characters. It is a standard data transmission code in the  
U.S.  
Autodiscrimination The ability of an interface controller to determine the code type of a  
scanned bar code. After this determination is made, the information  
content can be decoded.  
Bar  
The dark element in a printed bar code symbol.  
Bar Code Density  
The number of characters represented per unit of measurement  
(e.g., characters per inch).  
Bar Height  
Bar Width  
The dimension of a bar measured perpendicular to the bar width.  
Thickness of a bar measured from the edge closest to the symbol start  
character to the trailing edge of the same bar.  
Baud Rate  
A measure of the data flow or number of signaling events occurring  
per second. When one bit is the standard "event," this is a measure of  
bits per second (bps). For example, a baud rate of 50 means  
transmission of 50 bits of data per second.  
Bit  
Binary digit. One bit is the basic unit of binary information. Generally,  
eight consecutive bits compose one byte of data. The pattern of 0 and  
1 values within the byte determines its meaning.  
Glossary-1  
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LS 2106 Product Reference Guide  
Byte  
On an addressable boundary, eight adjacent binary digits (0 and 1)  
combined in a pattern to represent a specific character or numeric  
value. Bits are numbered from the right, 0 through 7, with bit 0 the  
low-order bit. One byte in memory can be used to store one ASCII  
character.  
CDRH  
Center for Devices and Radiological Health. A federal agency  
responsible for regulating laser product safety. This agency specifies  
various laser operation classes based on power output during  
operation.  
CDRH Class 1  
This is the lowest power CDRH laser classification. This class is  
considered intrinsically safe, even if all laser output were directed  
into the eye's pupil. There are no special operating procedures for this  
class.  
CDRH Class 2  
Character  
No additional software mechanisms are needed to conform to this  
limit. Laser operation in this class poses no danger for unintentional  
direct human exposure.  
A pattern of bars and spaces which either directly represents data or  
indicates a control function, such as a number, letter, punctuation  
mark, or communications control contained in a message.  
Character Set  
Check Digit  
Those characters available for encodation in a particular bar code  
symbology.  
A digit used to verify a correct symbol decode. The scanner inserts the  
decoded data into an arithmetic formula and checks that the resulting  
number matches the encoded check digit. Check digits are required  
for UPC but are optional for other symbologies. Using check digits  
decreases the chance of substitution errors when a symbol is decoded.  
Codabar  
Code 128  
A discrete self-checking code with a character set consisting of digits  
0 to 9 and six additional characters: ( - $ : / , +).  
A high density symbology which allows the controller to encode all  
128 ASCII characters without adding extra symbol elements.  
Code 3 of 9 (Code 39) A versatile and widely used alphanumeric bar code symbology with  
a set of 43 character types, including all uppercase letters, numerals  
from 0 to 9, and 7 special characters (- . / + % $ and space). The code  
name is derived from the fact that 3 of 9 elements representing a  
character are wide, while the remaining 6 are narrow.  
Code 93  
An industrial symbology compatible with Code 39 but offering a full  
character ASCII set and a higher coding density than Code 39.  
Glossary-2  
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Glossary  
Code Length  
Number of data characters in a bar code between the start and stop  
characters, not including those characters.  
Continuous Code  
A bar code or symbol in which all spaces within the symbol are parts  
of characters. There are no intercharacter gaps in a continuous code.  
The absence of gaps allows for greater information density.  
Dead Zone  
An area within a scanner's field of view, in which specular reflection  
may prevent a successful decode.  
Decode  
To recognize a bar code symbology (e.g., UPC/ EAN) and then  
analyze the content of the specific bar code scanned.  
Decode Algorithm  
A decoding scheme that converts pulse widths into data  
representation of the letters or numbers encoded within a bar code  
symbol.  
Depth of Field  
Discrete Code  
Discrete 2 of 5  
The range between minimum and maximum distances at which a  
scanner can read a symbol with a certain minimum element width.  
A bar code or symbol in which the spaces between characters  
(intercharacter gaps) are not part of the code.  
A binary bar code symbology representing each character by a group  
of five bars, two of which are wide. The location of wide bars in the  
group determines which character is encoded; spaces are  
insignificant. Only numeric characters (0 to 9) and START/ STOP  
characters may be encoded.  
EAN  
European Article Number. This European/ International version of  
the UPC provides its own coding format and symbology standards.  
Element dimensions are specified metrically. EAN is used primarily  
in retail.  
Element  
Generic term for a bar or space.  
Encoded Area  
Total linear dimension occupied by all characters of a code pattern,  
including start/ stop characters and data.  
Host Computer  
IEC  
A computer that serves other terminals in a network, providing such  
services as computation, database access, supervisory programs, and  
network control.  
International Electrotechnical Commission. This international agency  
regulates laser safety by specifying various laser operation classes  
based on power output during operation.  
Glossary-3  
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LS 2106 Product Reference Guide  
IEC (825) Class 1  
This is the lowest power IEC laser classification. Conformity is  
ensured through a software restriction of 120 seconds of laser  
operation within any 1000 second window and an automatic laser  
shutdown if the scanner's oscillating mirror fails.  
Intercharacter Gap  
The space between two adjacent bar code characters in a discrete  
code.  
Interleaved Bar Code A bar code in which characters are paired together, using bars to  
represent the first character and the intervening spaces to represent  
the second.  
Interleaved 2 of 5  
A binary bar code symbology representing character pairs in groups  
of five bars and five interleaved spaces. Interleaving provides for  
greater information density. The location of wide elements (bar/  
spaces) within each group determines which characters are encoded.  
This continuous code type uses no intercharacter spaces. Only  
numeric (0 to 9) and START/ STOP characters may be encoded.  
LASER - Light  
Amplification by  
The laser is an intense light source. Light from a laser is all the same  
frequency, unlike the output of an incandescent bulb. Laser light is  
Stimulated Emission typically coherent and has a high energy density.  
of Radiation  
Laser Diode  
A gallium-arsenide semiconductor type of laser connected to a power  
source to generate a laser beam. This laser type is a compact source of  
coherent light.  
LED Indicator  
A semiconductor diode (LED - Light Emitting Diode) used as an  
indicator, often in digital displays. The semiconductor uses applied  
voltage to produce light of a certain frequency determined by the  
semiconductor's particular chemical composition.  
MIL  
1 mil = 1 thousandth of an inch.  
Misread  
(Misdecode)  
A condition which occurs when the data output of a reader or  
interface controller does not agree with the data encoded within a bar  
code symbol.  
Nominal  
The exact (or ideal) intended value for a specified parameter.  
Tolerances are specified as positive and negative deviations from this  
value.  
Nominal Size  
Parameter  
Standard size for a bar code symbol. Most UPC/ EAN codes can be  
used over a range of magnifications (e.g., from 0.80 to 2.00 of  
nominal).  
A variable that can have different values assigned to it.  
Glossary-4  
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Glossary  
Percent Decode  
The average probability that a single scan of a bar code would result  
in a successful decode. In a well-designed bar code scanning system,  
that probability should approach near 100%.  
Print Contrast Signal Measurement of the contrast (brightness difference) between the bars  
(PCS)  
and spaces of a symbol. A minimum PCS value is needed for a bar  
code symbol to be scannable. PCS = (RL - RD) / RL, where RL is the  
reflectance factor of the background and RD the reflectance factor of  
the dark bars.  
Programming Mode The state in which a scanner is configured for parameter values. See  
SCANNING MODE.  
Quiet Zone  
A clear space, containing no dark marks, which precedes the start  
character of a bar code symbol and follows the stop character.  
Reflectance  
Resolution  
Amount of light returned from an illuminated surface.  
The narrowest element dimension which can be distinguished by a  
particular reading device or printed with a particular device or  
method.  
Scan Area  
Scanner  
Area intended to contain a symbol.  
An electronic device used to scan bar code symbols and produce a  
digitized pattern that corresponds to the bars and spaces of the  
symbol. Its three main components are:  
1. Light source (laser or photoelectric cell) - illuminates a bar code.  
2. Photodetector - registers the difference in reflected light (more light  
reflected from spaces).  
3. Signal conditioning circuit - transforms optical detector output into  
a digitized bar pattern.  
Scanning Mode  
The scanner is energized, programmed, and ready to read a bar code.  
Scanning Sequence A method of programming or configuring parameters for a bar code  
reading system by scanning bar code menus.  
Self-Checking Code A symbology that uses a checking algorithm to detect encoding errors  
within the characters of a bar code symbol.  
Space  
The lighter element of a bar code formed by the background between  
bars.  
Specular Reflection  
The mirror-like reflection of light from a surface, which can “blind” a  
scanner.  
Glossary-5  
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Start/Stop Character A pattern of bars and spaces that provides the scanner with start and  
stop reading instructions and scanning direction. The start and stop  
characters are normally to the left and right margins of a horizontal  
code.  
Substrate  
Symbol  
A foundation material on which a substance or image is placed.  
A scannable unit that encodes data within the conventions of a certain  
symbology, usually including start/ stop characters, quiet zones, data  
characters, and check characters.  
Symbol Aspect Ratio The ratio of symbol height to symbol width.  
Symbol Height  
The distance between the outside edges of the quiet zones of the first  
row and the last row.  
Symbol Length  
Length of symbol measured from the beginning of the quiet zone  
(margin) adjacent to the start character to the end of the quiet zone  
(margin) adjacent to a stop character.  
Symbology  
The structural rules and conventions for representing data within a  
particular bar code type (e.g. UPC/ EAN, Code 39).  
Tolerance  
UPC  
Allowable deviation from the nominal bar or space width.  
Universal Product Code. A relatively complex numeric symbology.  
Each character consists of two bars and two spaces, each of which can  
be any of four widths. The standard symbology for retail food  
packages in the United States.  
Visible Laser Diode A solid state device which produces visible laser light. Laser light  
(VLD)  
emitted from the diode has a wavelength of 670 to 680 nanometers.  
Glossary-6  
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