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3820/3820i LED Sequences and Their Meaning
2020 LED Sequences and Their Meaning
The base contains a red LED that indicates the status of the unit and verifies its
communication with the host system and a green LED that indicates image
scanner battery charge condition.
LED Indication Beeper Indication Cause
Normal Operation
Red Flash None Battery low
Green Flash 1 beep Successful communi-
cation or linking
Red, blinking 3 beeps Failed communication
Menu Operation
Green Flash 2 beeps Successful menu
change
Red, blinking 3 beeps Unsuccessful menu
change