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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 or you can assign the software to receive the GPS signals from 
the comport. It is normally Com1. 

 
4

.

 If your PC recognizes GM-48S as a mouse

 

Please remove the GM-48S from the Port of your PC or device and plug it back. If 

it still happens, please unplug it and restart the computer or device. Then plug in 
after the O/S finishes executing. 

 
5.No GPS data after program initialize. 

Check DB-9 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 (GPRMC, GPGGA, 
GPGSV, GPGSA) are present in viewing using Terminal Windows set at 4800bps. 

Summary of Contents for GM-48S

Page 1: ...G GM M 4 48 8S S R RS S 2 23 32 2 GPS MOBILE LOCATOR USER S MANUAL...

Page 2: ...Contents INTRODUCTION APPLICATIONS 3 PACKAGE CONTENTS 4 GETTING STARTED 5 OPERATING PROCEDURE 6 SPECIFICATION 7 APPENDIX 8 WARRANTY 9...

Page 3: ...ise to integrate with your Personal Computer and map software to display your real time location on the monitor The GM 48S is an all weather rugged design product for all applications Before you get s...

Page 4: ...ckage make sure that the following items are not missing or damaged GM 48S Mobile Locator User s Manual and Driver s CD If above items are missing or damaged contact SAN JOSE Technology immediately at...

Page 5: ...purpose navigation and position locating when integrated with a computing device for mapping display Notebook PC PDA or Palmtop Hardware standard layout is shown below Hardware Requirement Computer 48...

Page 6: ...r finishes executing O S Step 2 Plug in the GM 48S to the computer Step 3 The system will find its corresponding driver automatically Step 4 When it s done right click My computer icon then click syst...

Page 7: ...start 35 sec typical warm start 42 sec typical cold start Without aid 10 0 m 2D RMS Mounting Magnetic mount Position accuracy DGPS WAAS EGNOS RTCM 5 0 m 2D RMS Construction Ultrasonic welded fully wat...

Page 8: ...on or you can assign the software to receive the GPS signals from the comport It is normally Com1 4 If your PC recognizes GM 48S as a mouse Please remove the GM 48S from the Port of your PC or device...

Page 9: ...r r S SA AN N J JO OS SE E T TE EC CH HN NO OL LO OG GY Y r re es se er rv ve es s t th he e r ri ig gh ht t o of f d de et te er rm mi in na at ti io on n t to o r re ep pl la ac ce e o or r r re ep...

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