1.Press "light" button can turn off the unit diplay scteen light, when in sleeping you can turn off it. Press again can turn on it.
2.Press the light button 10 times to switch Often display the ambient temperature and set temperature selection
The setting method is as follows:
Press the ”light” button 10 times within 5 seconds, with 4 echoes, to enter the “ Often display set temperature" state; Press the “light” button 10 times within 5 seconds, and with 2 echoes, entering the " Often displayed ambient temperature" state.