handheld 3820 Manuel D’Utilisation
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.
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.
for the 2020-5B.
LED Indication
Beeper Indication
Cause
Normal Operation
Red Flash
None
Battery low
Green Flash
1 beep
Successful communication
or linking
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.
while transferring data to/from the RF module or the Host
port.
Base requests status from its
own Bluetooth radio
own Bluetooth radio
Blink LED once (occurs approx. every 30 seconds)