6
Omnidirectional and/or Linear Imager Modes
The area imager can be configured to operate as an omnidirectional imager, or a
linear imager, or a combination of both. Trigger
†
and presentation operations can
be configured separately for omnidirectional and linear scan modes.
• When a unit is configured to operate as an omnidirectional imager, all
1D and 2D bar codes are scanned omnidirectionally. The only
exceptions are Code 128 scanner configuration labels, which must be
linearly aligned for successful scanning.
Note: The IS4900 area-imaging engines do not require linear
alignment of Code 128 scanner configuration labels. The bar
code should be placed near the center of the engine's field of
view indicated by the targeting dot.
• When a unit is configured to operate as a linear imager, 1D bar codes
must be linearly aligned for successful scanning. In linear configuration
2D bar codes cannot be scanned.
• When a unit is configured to operate as both a linear and
omnidirectional imager, 1D bar codes have to be linearly aligned for
successful scanning while 2D bar codes are scanned omnidirectionally.
By default, the Focus product series
is configured for omnidirectional scanning
for trigger and presentation operations. By default, the MS7580 is configured to
omnidirectional scanning for presentation and pass-through operations and with
1D linear scanning/2D omnidirectional scanning for button
†
operations.
Enable Linear Only
in Trigger Operations
Disable Linear Only
in Trigger Operations
³120213
³120203
†
The term trigger and button are synonymous.
The Focus product series includes the IS1650, MS1890, MS1633, and the MS1690.
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