Samsung LN-T4071F Owner's Instructions Manual page 51

Settin_ Timer
The sleep timer automatically shuts off the TV after a preset time (30, 60, 90, 120, I50 and 180 minutes).
t. Press the MENU button to display the menu.
Press the A or V 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 _' button to select "Sleep Timer", then press the ENTER button.
3. Press the A or V button to adjust "Minute".
4. Press the i_ button to select "Activation".
Press the A or V button to select "On", then press the ENTER button.
Press the EXiT button to exit.
[_ Simply press the SLEEP button on the remote control for a Quick way to access the I II _ c#Tm _
sleep timer setting. I !1 s_ _ I:_