Press        button to enter the Programming mode.
1
Repeat pressing         button to enter the SLEEP reservation setting mode. 
(           segment flashing)
2
Press       button to adjust reservation time.
The SLEEP reservation time is from 1 to 7 hours. 
3
Press  button to finish setting.
Whenever reservation is done,           icon will flash. 
When this setting is released,           icon will disappear.
4
Adjust the reservation time after finish reservation setting will 
release the previous one.
5
This function is able to turn off Air conditioner when sleeping or after some hours.
Please set a suitable time for sleep reservation. 
(turning cooling for long time may be harmful to health)