HOLUX
M-1000C Bluetooth GPS Logger Manual
19
9. Troubleshooting
Problems
Possible Reasons
Methods
Weak or no GPS signal at the place
of
M-1000C
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GPS memory is no longer valid after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-1000C.
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-1000C
Poor Bluetooth connection
Re-Start PDA or PC and refer to section 5.2
“Bluetooth device connection installation” .
