User Manual

B Troubleshooting
198 5700/5800 GPS Receiver User Guide
5700 & 5800 Reference
An LED that is flashing quickly indicates a condition that may require
attention, and an unlit LED indicates that no operation is occurring.
Table B.1 describes some LED conditions, possible causes, and how
to solve them.
Table B.1 LED conditions
Condition Possible cause Solution
The SV Tracking LED
is lit solidly and the
Logging/Memory LED
is flashing slowly.
The receiver is in Monitor
mode, ready for new
firmware to be loaded or new
options to be added.
Power the receiver off or on.
Load the latest version of the
firmware, which you can download
from the Trimble website at
ftp://ftp.trimble.com/pub/survey/bin/
The SV Tracking LED
is not flashing.
The receiver is tracking fewer
than four satellites.
Wait until the SV Tracking LED is
flashing slowly.
The radio antenna cable and
GPS antenna cable are
mixed up.
Make sure that the GPS antenna
cable (with the yellow over-mould) is
connected between the yellow TNC
connector marked GPS and the GPS
antenna.