There is a red LED and a green LED on the MS6220. When the scanner is on,
the activity of the LEDs indicates the status of the current scan and the scanner.
Green and Red LEDs are off
The LEDs will not be illuminated if the scanner is not receiving
power from the host or transformer.
Flashing Green
During normal operation, the laser pulses on and off. When
the laser is active, the green LED is on. When the laser is off,
the green LED is off.
Flashing 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.
Flashing 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
Indicates continuous laser operation. Accompanied by a
razzberry tone, it indicates that an invalid bar code has been
Steady Green and Continuous Flashing Red
When entering the program 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 program mode.
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