Micro Pdf-417; Data Matrix - Psion 7515 User Manual

Appendix C: Bar Codes Settings

Micro PDF-417

Length Restriction
Refer to "Length Restriction" on page C-8 for details.
Add/Remove Data
Refer to "Add/Remove Data" on page C-9 for details.
C.4.14 Micro PDF-417
Enable
Setting this parameter to on enables "Micro PDF-417" bar code scanning. Micro PDF-417 is
a multi-row symbology that is useful for applications requiring greater area efficiency but
lower data capacity than PDF-417.
Length Restriction
Refer to "Length Restriction" on page C-8 for details.
Add/Remove Data
Refer to "Add/Remove Data" on page C-9 for details.
C.4.15 2D Data Matrix
Enable
Set this parameter to on to enable "Data Matrix".
Inverse Video Mode
Enabling this parameter allows the imager to read inverse bar codes – white symbols pre-
sented on a black background.
Rectangular
Enabling this parameter allows the imager to recognize rectangular (as opposed to square)
symbols.
Small Physical Size
Set to on by default, this parameter is used to detect small sized or small featured 2D data
matrix symbologies. Turning this option off may decrease response time only if there is a
great deal of "clutter" (i.e., pictures) in the image. However because these images are nor-
mally clean (the labels contain only text and bar codes along with a significant amount of
white space), response time is usually not improved by turning this parameter off.
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