1. Open the central control screen of Lingpai, and the main screen displays vehicle information.

2. Find the setting menu or control options displayed on the screen. Usually, you can find these options under the main menu or the settings icon.

3. After entering the setting menu, look for related options such as "Unit" or "Display".

4. In the unit or display options, look for the time setting option.

5. In the time setting, select "Math Speed" or similar options.