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4 General Operation
38 5700/5800 GPS Receiver User Guide
5700 GPS Receiver Operation
42.1 Logging/Memory LED
The yellow Logging/Memory LED below the [D] button indicates the
status of data logging and memory usage.
42.2 SV Tracking LED
The red SV Tracking LED below the SV icon indicates the status of
satellite tracking.
42.3 Radio LED
The green Radio LED below the Radio icon indicates the status of
data input and output.
Behavior Meaning
On Data is being logged.
Slow flash Enough FastStatic data has been logged. Alternatively, if
the red SV Tracking LED is on solid at the same time, the
receiver is in Monitor mode, and is checking for new
firmware to install.
Fast flash Data is being logged but memory is low.
Flash The receiver is in Sleep mode, and will wake up five
minutes before the scheduled start time of a timed
application file.
Off Data is not being logged, or the CompactFlash card is
full.
Behavior Meaning
Slow flash Tracking four or more satellites.
Fast flash Tracking three or fewer satellites.
Off Not tracking any satellites.
On The receiver is in Monitor mode, and is checking for new
firmware to install.
Behavior Meaning
Slow flash A data packet or event marker has been received.