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14
SCANNER OPERATION
Indicators
Visual
The MS5145 is equipped with a red LED and green LED which indicate the
scanner’s state and the status of the current scan when the unit is in operation.
Figure 13. LED Color and Location
Green and Red LEDs Are Off
The LEDs will not be illuminated if the scanner is not receiving power from the
host or transformer.
Steady Green
Indicates normal pulse or continuous laser operation. Accompanied by a
razzberry tone, it indicates that an invalid bar code has been scanned.
Flashing Green
After a period of inactivity, the ON time of the pulsing laser will be shortened.
During this time the green LED will flash. This indicates that the scanner is in
a power saver mode. When a bar code enters the laser field, the scanner will
wake up and return to normal pulse mode.
Steady Green and Single Red Flash
When the scanner successfully reads a bar code, the red LED will flash and
the scanner will beep. If the red LED does not flash and the scanner does not
beep, then the bar code has not been successfully read.
Steady Green and Steady Red
After a successful read, 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 red LED will remain on until the data can be transmitted.
Steady Green and Continuous Flashing Red
When entering the configuration mode, the red LED will flash, the green LED
will turn on and the scanner will beep three times. The red LED will continue to
flash and the green LED will stay on until the unit exits the configuration mode.