Sony RNPK-4 Help Manual page 35

The settings are saved.
To control with the button on the unit
Press and hold the button on the unit for about 2 seconds. The LED lights up in green for about 8 seconds, then goes off,
and cooling/warming will start with the saved settings.
To stop cooling/warming, press and hold the button for about 2 seconds again.
Related Topic
Using MY MODE
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