Samsung LN40A540 User Manual page 49

Setting the Sleep Timer
The sleep timer automatically shuts off the TV after a preset time (30, 60, 90, 120, 150 and 180 minutes).
1. Press the MENU button to display the menu.
Press the A or _' button to select "Setup", then press the ENTER _ button.
Press the A or • button to select "Time", then press the ENTER _ button.
2. Press the A or T button to select "Sleep Timer", then press the ENTER
button.
3.
Press the A or T button to select the minute, then press the ENTER
button.
To cancel the set sleep timer:
Press the A or T button to select "Off", then press the ENTER _ button.
4. Press the EXIT button to exit.
Easy Setting
1. Press the TOOLS button on the remote control.
2. Press the A or _' button to select "Sleep Timer".
3. Press the _1or !_ button to select the minute.
4. Press the EXIT or TOOLS button to exit.