Appendix, Troubleshooting tips – San Jose Navigation GPS Mobile Locator GM-158-USB User Manual
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APPENDIX
Troubleshooting Tips
1. No updated display in your PC while moving.
‧ Check cable connections and COM port setting AT
Control Panel/System Properties/Device
Manager/Com-Port.
‧ Check raw data by using Window Terminal 4800bps
2. No ASCII NMEA data when running terminal program in COM-n,4800 8N1
‧ Check Control Panel/System Properties/Device Manager/Com-Port.
3.Navigational software does not auto detect the GPS receiver
‧Check Installation & If the USB connecter connects to PC
4. If your PC recognizes GM-158-USB as a mouse
‧Please remove the GM-158-USB from the USB Port of your PC or device and plug
it back. If it still happens, please reinstall the USB drive.
5.No GPS data after program initialize.
‧Check USB connection.
‧Check for GPS obstruction toward the sky.
6. GPS data are visible but no activity on the MAP SOFTWARE.
‧Check to see if the Map software desire NMEA sentences (GGA, RMC,
GSV,VTG, GSA) are present in viewing using Terminal Windows set at
4800bps.