Gps hardware installation work summary how to write
the detection of the car power supply voltage is normal and its voltage range is consistent with the GPS terminal device power supply voltage range, in the choice of access power, the power to try to choose the main power supply (direct and battery connection Of the power cord) select the GPS terminal equipment installation location, as far as possible away from the car car electronic equipment and other heat source devices, especially wireless devices and high-power electronic equipment, and to install a solid, so as not to damage the long time to damage the GPS terminal equipment; , GPS antenna and GPRS antenna placed above the location can not have metal cover and other electronic equipment antenna, so as not to signal attenuation and interference; In addition, the antenna head to be fixed firmly, GPS antenna and GPRS antenna wiring do not cross-winding together, Grow part of the line should be separated and put together Do not plug the SIM card to avoid burning cards
the scene to install GPS terminal equipment, in the indoor test environment, the GPS terminal equipment and complete sets of accessories (that is, to the customer to install the accessories) connected with a power supply or backup battery to the GPS terminal equipment power supply to ensure that GPS terminal equipment And all the accessories can work properly;
with GPS equipment and GPS equipment to check the SIM card, GPS antenna, GPRS antenna, power cord (hereinafter referred to as accessories) is complete
