1. Under the instrument in the menu bar, there is a power off button.
2. Select the closing method, or default to a method.
3. After the current program runs, directly execute the shutdown program.
Pay attention when turning off the phone. The gas meter 2020nx needs to be turned off first, and the plasma needs to be turned off first, so the cooling program is not implemented, otherwise the internal temperature of the instrument will drop, which will affect the service life of the instrument.