Microscan MS-3000 User Manual page 54

Chapter 2 Menu Configuration
Code 128
Status
Default: Disabled
Options: Disabled, Enabled
Fixed Code Length
Default: Disabled
Options: Disabled, Enabled
Allows you to increase data integrity by ensuring that only one label length
will be accepted.
Code Length
Default: 10
Options: 1 to 31
Note: Fixed Code Length must be enabled for Code Length to take effect.
Allows you to specify the exact number of characters that the decoder will
recognize. The decoder will ignore any code not having the specified
length.
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MS-3000 Single Head Decoder User's Manual