User`s manual
USB Dongle Series Model:UD-731N
UniTraQ International Corp. RoHS compliance.
2011,01, Version 1.1
14
9. Trouble Shooting
Satellite signal problem
The following situations are normally if you find the GPS satellite signal is very low or
absolute missing:
There is something cover above.
While you are in a tunnel.
Inside of the building.
Near by buildings.
Put GPS receiver inside the car, some of the sun-control film with metal that
makes microwave can not be radiate.
GPS not fix problem
If you see “GPS not fix” message on the screen after you enable the UD-731N GPS
receiver, please consider the possible problems below:
Wait few minutes. GPS position may cost several minutes.
Make sure the UD-731N GPS receiver is put on a proper place. Some
sun-control film for car may cutoff the satellite signal. You may replace it and try
again.