5-10 Programmer’s Manual
Field Description
uchSameSymbolTMO The minimum time that must elapse
between scans of the same bar code (in
increments of .1 seconds). You must set
uchTriggerMode to 1 when setting this
parameter. Values are 1-99.
Default: 10
uchLinearCodeSecur The scan security level for linear bar
codes. Values are 1-4. Select a higher
level for lower quality bar codes. See
“Scan Security Levels” for more
information.
Default: 1
uchBiDirRedun Enable/disable the requirement to scan
bar codes in both directions (forward and
reverse).
Default: SCN_DISABLE
Scan Security Levels
The following table describes the security levels used with the
uchLinearCodeSecur
parameter.
Level Number Description
1 The following bar code types (provided they meet
the specified length requirements) must be
scanned successfully twice:
Codabar Any length
MSI 4 characters or less
D 2 of 5 8 characters or less
I 2 of 5 8 characters or less
2 All bar code types of all lengths must be scanned
successfully twice.
