User's Manual

19
Troubleshooting
Problems Possible Reasons Methods
Weak or no GPS signal at the
place of RCV-3000
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data in GPS memory is no
longer valid after no use for a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 RCV-3000.
Re-Start PDA or PC and refer
to “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 RCV-3000
Poor Bluetooth connection
Re-Start PDA or PC and refer
to “Bluetooth device
connection installation” .