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HOLUX M-1200 Bluetooth GPS Receiver Manual
17
9. Troubleshooting
Problems Possible Reasons Methods
Weak or no GPS signal at the
place of
M-1200
Test under open sky at a fix location and
run Mini GPS Viewer “Cold start” function.
No GPS
output but
GPS timer is
counting
The ephemeris and almanac data
in GPS memory is no longer valid
after no use for a long time.
Remove the Battery for 3 seconds and
re-insert, then power on to test again.
Execute fail Bluetooth function unstable
Power On/Off M-1200.
Re-Start PDA or PC and refer to section
5.2 “Bluetooth device connection
installation” to re-connect.
Can not open
the COM port
Bluetooth connection interrupted
or COM port is conflicted/occupied
by other programs.
Check the Bluetooth connection again,
Check and close other programs that
might conflict with.
Can not find
M-1200
Poor Bluetooth connection
Re-Start PDA or PC and refer to section
5.2 “Bluetooth device connection
installation” .