Microscan MS-4X Manual do Utilizador Página 147

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Chapter 9 Raster/Laser Control
MS-880 Industrial Long Range Scanner User’s Manual 9-3
9–Raster/Laser Con-
Raster Setup
Raster Status
Note: Raster sweeps are only counted during a read cycle (continuous, triggered, and
read rate). Raster sweeps are NOT counted when the raster motor is parked, disabled,
set to straight line operation (top and bottom are equal), or when performing a self-
calibration.
Top O ff s et
Definition: The user can enable raster scanning and adjust the sweep range (the
upper and lower limits of the raster sweep).
Usage: Raster scanning is useful when labels vary in placement and a single
scan line cannot be counted on to cross the label.
Raster scanning is also useful in reading PDF417.
Serial Cmd: <K506,status,top offset,bottom offset,raster sweep rate,read cycle on/off>
Definition: When disabled, the raster mirror will park at the top of the raster sweep.
Serial Cmd: <K506,status,top offset,bottom offset,raster sweep rate,read cycle on/off>
Default: Disabled
Options: 0 = Disabled
1 = Enabled
Definition: Decreasing the
Top Offset value
causes the top of
the raster pattern
to move up.
Serial Cmd: <K506,status,top offset,bottom offset,raster sweep rate,read cycle on/off>
Default: 127
Options: 0 to 255
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