How to set the time on David hkn-93A radiation table

Setting method:

1. Press and hold the time mode button while turning on the power switch of the controller and hold it for more than 3 seconds.

2. Release the time mode key after the display setting interface appears.

3. Set the corresponding values ??according to the setting code.

4. After each setting is completed, you can press the keyboard lock to save the setting value.