Philips 32PFL9606H User Manual page 39

Light sensor
The built-in light sensor automatically adjusts the picture, together
with Ambilight, to the lighting conditions of the room. To switch
on, select Light sensor and press OK. To switch off, press OK
again.
Auto switch off
If no keys on the TV remote control were pressed during a 4-
hour period, the TV switches off automatically to save energy.
You can switch off this Auto switch off.
If you use the TV as a monitor or use a digital receiver to watch
TV (a set top box - STB) and you do not use the remote
control of the TV, switch off the automatic switch off.
Setup / Picture and sound 39