1. First, you need to connect the power supply and press the "Clock" button on the control panel to switch the time format.

2. Then press the "Minute" key on the template to set the decimal digits on the clock.

3. Next, press one of the "Minute" keys on the panel to set the unit number of time.

4. the next step is to set the minute, press the "second" key, set the minute, and finally press the "clock" key to confirm.