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2020/4820/4820 i User’s Guide
Beeper and LED Sequences and Meaning
The image scanner contains LEDs on the top of the unit to indicate its power up,
communication, and battery status. Simply stated, red LED = error; green
LED = success of any type. The unit’s audible indicators have meaning as well:
3 beeps = error; 2 beeps = menu change; 1 beep = all other successes.
The table below lists the indication and cause of the LED illumination and beeps
for the image scanner.
Image Scanner LED Sequences and Meaning
2020 LED Sequences and 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.
Note: Charging only occurs with external power applied to the 2020 or 12 volt
host power.
LED Indication
Beeper Indication
Cause
Normal Operation
Red Flash
None
Battery low
Green Flash
1 beep
Successful communication
or linking
Red, blinking
3 beeps
Failed communication
Menu Operation
Green Flash
2 beeps
Successful menu change
Red, blinking
3 beeps
Unsuccessful menu change
Charge Condition
Charge Status Indicator (Green LED)
Image Scanner inserted into base Three flashes
>80% charged
On continuously
30% to 80% charged
Slow flash, 1 second on, 1 second off
<30% charged
Fast flash, 300 mSec on, 300 mSec off
Summary of Contents for 2020
Page 1: ... User s Guide 2020 4820 4820 i 2D Cordless Imaging System ...
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