The air conditioner remote control shows 61f. How to transfer it back?

In the closed state, press the "mode" and the minus key at the same time to switch between C and F, where F is Fahrenheit. The steps are as follows:

1. Turn off the air conditioner and press "Mode" and "Minus key?"

2. Take out the battery on the remote control and reinstall it.

3. Press the reset button on the remote control.

The conversion relationship between celsius (c) and Fahrenheit (f) is: F=9/5C+32, or C=5/9(F-32).