Hitachi 50V525E Operating Manual page 56

Timers
Set The Clock
Set Sleep Timer
Set Day/Night Timer
Set Event Timer
Set Auto Power Off
Move
Set Event Timer
This function will turn off the TV automatically when a video signal is not detected for 15 minutes.
Select
SEL
Timers
Set Auto Power Off
Automatic Power Saving
Yes No
or
Select yes to have the TV turn off
Automatically when a video signal
is not detected for 15 minutes.
Move Return
SEL
56
TIMERS