Led Definitions - Symbol LS4278 Quick Reference Manual

4
LS4278 Quick Reference Guide
Beeper Sequence
Low/high beeps
High/low beeps
Long low/long high beeps
Long low/long high/long low/long high
beeps
Code 39 Buffering
High/low beeps
Three long high beep
Low/high/low beeps
Low/high beeps
Host Specific
USB only
Four high beeps
Scanner gives a power-up beep after
scanning a USB Device Type.
This power-up beep occurs more than
once.
RS-232 only
High beep

LED Definitions

In addition to beeper sequences, the scanner communicates with the user using a two-
color LED display. The table below defines LED colors that display during scanning and
charging.
Scanning LED
Green Flash
Charging LED
Green - Slow Continuous Flash
Indication
Bluetooth connection established.
Bluetooth disconnection event.
Page timeout; remote device is out of range/not powered.
Connection attempt was rejected by remote device.
New Code 39 data was entered into the buffer.
Code 39 buffer is full.
The Code 39 buffer was erased or there was an attempt to
clear or transmit an empty buffer.
A successful transmission of buffered data.
Scanner has not completed initialization. Wait several sec-
onds and scan again.
Communication with the bus must be established before the
scanner can operate at the highest power level.
The USB bus may put the scanner in a state where power to
the scanner is cycled on and off more than once. This is normal
and usually happens when the host PC cold boots.
A <BEL> character is received and Beep on <BEL> is enabled.
Indication
A bar code was successfully decoded.
Indication
Non-critical battery temperature fault.