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The working voltage of this product is 5V, and it is forbidden to use a voltage higher than 5V to power the product.
Frequently Asked Questions£º
1. No display on the screen, no power
Please check whether the USB cable is damaged, or replace the USB cable for testing
(Attention: It is forbidden to use a voltage higher than 5V)
2. No speed display
After powering on, the satellite icon flashes to indicate that it is in the state of satellite search, please move the car to the open road to receive the signal, and the machine can be used normally after the satellite icon stops flashing and displays the number of satellites
3. The speed is still displayed after the car stops
If driving to underground parking lots, tunnels, under flyovers, or other places that make the signal unstable, the data displayed by the product may have a certain deviation, and the car can return to normal by driving to an open road
4. The speed is not accurate
a. Check whether the unit is correct, Km/H or MPH (please refer to the setting mode in the figure above for speed unit switching)
b. The vehicle speed can be fine-tuned, such as the dashboard displays 100Km/H, the machine displays 105Km/H, and the parameter value can be adjusted to 102
5. Time calibration
a. The default of the machine is +8:00 Beijing time
b. If you need to adjust the time to other time zones, please enter item 8 of the setting menu, press the "" key to adjust, and the adjustment range is 30 minutes/time (for example: a certain area is 1 hour faster than Beijing time, press the "" key twice)
Note: The satellite icon flashes to indicate that the satellite has not been received, the time is displayed as the time zone, please adjust to the time zone of your country (e.g. South Korea +9:00) After the satellite icon stops flashing, the time calibration can be displayed directly
6. The driving direction is displayed incorrectly
When there is no speed, the satellite cannot identify the direction of the vehicle, and the normal display can only be displayed after the driving speed exceeds 5Km/h