4G Tracker Vehicle Camera Universal Night Vision Mini Car Camera Parking Dashcam Driving Video Recorder

Check whether the GPS antenna of the device is in good contact, whether the location is correct, and whether the signal is normal. It is recommended to place it in a place with a strong signal. Note that some car glass shielding film will block the GPS signal. Check whether the device has an antenna open circuit/short circuit alarm, and whether the antenna voltage is normal.

The built-in wireless communication module of the terminal is divided into WCDMA/EVDO/TD-LTE. The corresponding module settings are different, and the modules supported by different device numbers are also different, so please ensure that the communication module of the device corresponds to the SIM card. Never use a telecom SIM card on a WCDMA device. The SIM card used by the device needs to have sufficient traffic, and the size of the traffic package depends on the real-time preview video time

Check whether the input power of the device is normal and whether the device is powered on normally. If there is no electricity, please check whether the power cord wiring is correct and whether the fuse of the power cord is in good condition. If any indicator light is off, please check whether the corresponding part is functioning normally. For example SD card indicator light is off, please check whether the device is recognized and formatted. BDS/GPS light is off, please check the antenna and

The storage medium (SD card, hard disk) is not found, check whether there is a storage device installed, whether the contact is intact, whether the storage device can read data normally on the computer, and whether the storage device is compatible with the video terminal. The storage device is not formatted, and the storage device needs to be formatted in the computer or video recorder before it can record normally. The recording mode setting is wrong. This machine has three modes: timer recordi

The GPS antenna is not connected or the antenna is not connected properly. The GPS antenna is placed indoors or inside the metal plate of the car body and other environments that are not conducive to receiving GPS (bad weather, tall buildings around, etc.), it is recommended to install it on the left and right corners of the windshield of the vehicle. Whether the computer playing the video is connected to the Internet, if not connected to the Internet, the map information cannot be loaded, so th