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Appendix 3
Troubleshooting Guide
Case 3.
The status keeps showing Heading, what should I do?
Finally, remove the two GPS antennas, and use the multimeter to measure the antenna RF interface. The normal
voltage reading is about 5V. If the 5V voltage is abnormal, replace the coaxial cable of the GPS antenna.
If the problem cannot be corrected, please contact the manufacturer with help.