Samsung MD40C - Sleep Timer

127
DST
•
Off / On
Switches the DST (Daylight Saving Time) function on or off.
―
This function is only available when the Clock Mode is set to Auto.
Sleep Timer
Automatically shuts off the product after a preset period of time.
(Off / 30 min. / 60 min. / 90 min. / 120 min. / 150 min. / 180 min.)
―
Use the up and down arrows to select a period of time, and then press E. To cancel Sleep Timer, select Off.