1. Under normal battery conditions, there will be no light indicator.
2. When the battery voltage is too low, there will be a flashing red light to indicate.
3. When charging, the indicator light will be yellow-green .
1. If there is no operation under the memory mode screen for 10 seconds, it will return to the current pressure data screen ( Main screen ) 2. Repeatedly pressing the memory mode button will allow you to "return to the current pressure data screen ( Main screen )
Please refer to the below steps:
Step 1：On the main screen, click the "settings button" ( button 17 ) once.
Step 2： The green lights on buttons 9 and 12 will turn on, indicating that the four-wheel mode has been entered.