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C-14 Psion Teklogix Omnii XT10 Hand-Held Computer User Manual
Appendix C: Bar Code Settings
Decoded (Internal) Scanners
Code 39
Length Restriction
The parameters in this sub-menu allow you to define the length of the bar codes that will be
decoded using either the Field Size parameter or the Minimum Size and Maximum Size pa-
rameters (see below). The order of operation to either match the Field Size or determine if
the length falls between the Minimum Size and Maximum Size is as follows:
Strip the leading and trailing characters.
Add the prefix and suffix characters.
Count the number of characters remaining to either match the field size or determine if
the length falls between the minimum and maximum size.
Field Size
When a value is assigned for this parameter, only bar codes that match the field size exactly
can be transmitted. If a value is assigned to this parameter, a Minimum Size and Maximum
Size value is not required.
Minimum Size and Maximum Size
When a value is assigned to these parameters, only bar code lengths that fall between the
minimum and maximum value can be decoded. If values are assigned to these parameters, a
Field Size value is not required.
Add/Remove Data
Prefix Char
This character, if non-zero, is added before a successfully decoded bar code. Press the key
you want to insert in the dialog box attached to this parameter. The ASCII/Unicode key
value of the keypress is displayed.
Suffix Char
This character, if non-zero, is added after a successfully decoded bar code. Press the key you
want to insert in the dialog box attached to this parameter. The ASCII/Unicode key value of
the keypress is displayed.
Strip Leading
This parameter determines the number of characters that will be removed from the begin-
ning of the bar code before the prefix character is added.
Note: For Code 39 bar codes, the “AIAG Strip” is performed before the “Strip Leading”.
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