To use the buttons on the control panel, please refer to the following information:
1. On/Off button: Press to turn on or turn off the device;
2. Mode button: Press to switch the modes;
3. Time/Power button: Press to switch the time or power status;
4. Start/Cancel button: Press to start or pause the operation. Press and hold to cancel the current function;
5. + or - button: Press or press and hold to increase or decrease the time or power.
If the operating time is less than 2 minutes, press the button to gradually increase or decrease by 5 seconds, and press and hold the button to gradually increase or decrease by 15 seconds. If the operating time is at least 2 minutes but less than 5 minutes, press the button to gradually increase or decrease by 30 seconds, and press and hold the button to gradually increase or decrease by 1 minute. If the operating time is at least 5 minutes, press the button to gradually increase or decrease by 1 minute, and press and hold the button to gradually increase or decrease by 5 minutes. If the operating time is no more than 10 seconds, pressing the - button is useless. The longest time is 60 minutes.