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APPENDIX D
E
NABLING OR DISABLING SYMBOLOGIES
The CHS is pre-set to automatically detect and decode (auto-
discriminate) the most common bar code symbologies. To enable
or disable symbologies, use the SocketScan Symbology Selector.
Notes:
• The length of some symbologies will change after Symbology
Selector is used. See Table 1.
• Enabling more symbologies will make the scanner work harder
to search through more possible combinations, making the
decoding process slightly longer.
• The advanced symbology parameters listed in Table 2 can only be
modified with the SocketScan Advanced Programming Guide or
SocketScan SDK. Check the Socket website for updates.
Table 1. Default Symbologies
Symbology
Scanner
Default
Default
Length
Length after
Symbology Selector
UPC/EAN/JAN
UPC-A Enabled N/A N/A
UPC-E Enabled N/A N/A
UPC-E1 Disabled N/A N/A
EAN-8 Enabled N/A N/A
EAN-13 Enabled N/A N/A
Code 128 (USS-128 & UCC/EAN 128) Enabled Any Any
Code 39*
Code 39 Enabled 2 to 23 2 to 55
Trioptic Code 39 Enabled 2 to 23 2 to 55
Code 39 Full ASCII Disabled 2 to 23 2 to 55
Code 93 Disabled 2 to 38 2 to 55
Interleaved 2 of 5* Enabled 14 Only 2 to 55
Discrete 2 of 5* Disabled 12 Only 2 to 55
Codabar Disabled 5 to 55 2 to 55
MSI Plessey* Disabled 1 to 30 2 to 55
RSS-14 (Standard, Limited, Expanded) Disabled N/A N/A
*Warning: Setting the length to “Any” may lead to inaccurate decodes of these symbologies.
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