GV75 User Manual     
TRACGV75UM0012 
Contents 
Contents   ................................................................................................................................................ 2
Table Index   ............................................................................................................................................ 3
Figure Index   ........................................................................................................................................... 4
0. Revision History   ................................................................................................................................. 5
1. Introduction   ...................................................................................................................................... 6
1.1. Reference   ............................................................................................................................... 6
1.2. Terms and Abbreviations   ........................................................................................................ 6
2. Product Overview   .............................................................................................................................. 7
2.1. Appearance   ............................................................................................................................ 7
2.2. Parts List   ................................................................................................................................. 7
2.3. Interface Definition   ................................................................................................................ 8
3. Getting Started   .................................................................................................................................. 9
3.1. Install a SIM Card   .................................................................................................................... 9
3.2. Switch on the Device   ............................................................................................................ 10
3.3. Power Connection   ................................................................................................................ 10
3.4. Ignition Detection  ................................................................................................................. 11
3.5. Digital Input   .......................................................................................................................... 11
3.6. Digital Output   ....................................................................................................................... 11
3.7. UART Interface   ..................................................................................................................... 12
3.8. Indicator Light Description   ................................................................................................... 13
4. Troubleshooting and Safety Info   ..................................................................................................... 14
4.1. Troubleshooting   ................................................................................................................... 14
4.2. Safety Info   ............................................................................................................................ 14