11-20 MicroHAWK Engine Integration Guide
Illumination Brightness
Illumination Brightness
Constant
When set to Constant, the illumination brightness is the same power level as the High
setting. However, the LEDs will always be on during a read cycle and will only be off
between read cycles. This cuts down on perceptible LED flashing.
Light Source
Definition: This feature allows you to adjust the brightness of the illumination LEDs.
Since the reader has control over the brightness of the illumination, it can
provide consistent brightness output between readers through a factory
calibration operation. Each of the brightness settings is calibrated to provide
the same level of intensity for each reader.
Serial Cmd: <K536,brightness,light source>
Default: High
Options: 0 = Off
1 = Low
2 = Medium
3 = High
4 = Constant
Definition: The setting allows the user to change the illumination light source.
Serial Cmd: <K536,brightness,light source>
Options: 1 = Embedded White Only (Default for ID-20 QSXGA)
2 = Embedded Red Only (Default for ID-20 WVGA and SXGA)
3 = External Only (Default for ID-30 and ID-40)
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