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58
SCANNER OPERATION
INDICATOR DESCRIPTIONS
Visual
There is an array of LEDs (white and/or blue) located on the top of the hood of
the MS202x. When the scanner is on, the flashing or constant illumination of the
LEDs indicates the status of the current scan and the scanner.
Figure 48. LEDs
No White or Blue LED
The LEDs will not be illuminated if the scanner is not receiving power from
the host or transformer. They are also not illuminated when all lasers are
turned off for any reason.
Steady Blue
When all lasers are active, the blue LED is illuminated. The blue LED will
remain illuminated until all lasers are deactivated.
Steady Blue and Single White Flash
When the scanner successfully reads a bar code, the white LED will flash
and the scanner will beep once. If the white LED does not flash or the
scanner does not beep once, then the bar code has not been successfully
read.
Steady White and Blue
After a successful scan, the scanner transmits the data to the host device.
Some communication modes require that the host inform the scanner when
data is ready to be received. If the host is not ready to accept the
information, the scanner’s white LED will remain on until the data can be
transmitted.
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