there is a red led and a green led on the ms5145. 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.

   

    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 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.