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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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