User Manual
GV304N User Manual
Contents
Contents ............................................................................................................................................ 9
0. Revision History ..................................................................................................................... 12
1. Introduction ............................................................................................................................. 13
1.1 Reference ................................................................................................................ 14
1.2 Terms and Abbreviations ......................................................................................... 14
2. Product Overview ................................................................................................................... 15
2.1. Check Parts List ...................................................................................................... 15
2.2. Parts List ................................................................................................................. 16
2.3. Interface Definition ................................................................................................. 17
2.4. GV304N User Cable Color ..................................................................................... 18
3. Getting Started ........................................................................................................................ 19
3.1. Opening the Case .................................................................................................... 19
3.2. Closing the Case ...................................................................................................... 19
3.3. Installing a SIM Card .............................................................................................. 19
3.4. Installing the Internal Backup Battery..................................................................... 20
3.5. Switch ON the Backup Battery ............................................................................... 21
3.6. Installing the External GPS Antenna (Optional) ..................................................... 21
3.6.1. GPS Antenna Specification ............................................................................. 21
3.7. Power Connection ................................................................................................... 22
3.8. Ignition Detection .................................................................................................... 22
3.9. Digital Inputs ........................................................................................................... 23
3.10. Analog Inputs .......................................................................................................... 24
3.11. Digital Outputs ........................................................................................................ 24
3.1
2
. Device Status LED .................................................................................................. 26
3.13. Serial Port / UART Interface ................................................................................... 27
3.13.1. Connect With Garmin GPS Set ....................................................................... 28
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