1 - 15
3820 LED Sequences and Their Meaning
2020-5B 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 scanner
battery charge condition.
The tables below list the indication and cause of the LED illumination and beeps
for the 2020-5B.
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
System Condition
System Status Indicator (Red LED)
Power On/System Idle
LED is on
Power On/Diagnostic Error
Blink LED for long duration, pulsing indefinitely
Receiving Data (2020-5B only)
Blink LED for short duration in multiple pulses. Occurs
while transferring data to/from the RF module or the Host
port.
Base requests status from its
own Bluetooth radio
Blink LED once (occurs approx. every 30 seconds)
Summary of Contents for 3820
Page 1: ...2020 3820 Cordless System User s Guide...
Page 7: ...Required Safety Labels 3820SR0C0BE 3820...
Page 62: ...2 18 2020 3820 User s Guide...
Page 86: ...5 6 2020 3820 User s Guide...
Page 132: ...8 4 2020 3820 User s Guide...
Page 162: ...11 8 2020 3820 User s Guide...
Page 175: ......
Page 176: ......