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5700/5800 GPS Receiver User Guide 117
General Operation 14
5800 GPS Receiver Operation
14.2LED Behavior
The three LEDs on the front panel of the receiver indicate various
operating conditions. Generally, a lit or slowly flashing LED indicates
normal operation, a LED that is flashing quickly indicates a condition
that may require attention, and an unlit LED indicates that no
operation is occurring. The following table defines each possible LED
state.
142.1 LED flash patterns
The following table details the possible flash patterns to indicate
various states of receiver operation.
The term … means that the LED …
Slow flash alternates on/off for 500 milliseconds.
Fast flash alternates rapidly on/off for 100 milliseconds
On is lit steady
Off is unlit
Receiver mode Power LED
Green
Radio LED
Green
Satellite LED
Amber
Receiver OFF OFF OFF OFF
Receiver ON:
Healthy power ON N/A N/A
Low power Fast flash N/A N/A
Tracking <4 SVs ON N/A Fast flash
Tracking >4 SVs ON N/A Slow flash
Logging data
internally
Flashes off
every 3
seconds
N/A N/A
Receiving valid data
packets
ON Slow flash N/A
No data packets ON OFF N/A
Receiver in Monitor ON Slow flash ON