Troubleshooting Tips

If a GPS receiver does not connect to the cellular modem:

1. Call the number and check for a dial tone.
2. Try dialing another tower.
3. Swap out the cell phone cabling.
4. Insure that the modem attached to your GPS receiver has initialized.
5. Insure that you have adequate cellular coverage.
6. Insure that the proper telephone numbers have been entered into your GPS receiver.

If a GPS receiver does not connect to a CDPD modem:

1. Try a different tower.
2. Check your location with respect to the available CDPD broadcasting towers.
3. Insure that the proper IP addresses have been entered into your GPS receiver.
4. Insure that your CDPD modem is connected to the proper port on your receiver.