Philips 40PFL9904H User Manual page 81

2.4.2 Ambilight settings
Separation
Sets the difference in colour level between the lights at
each side of the TV. Separation off gives a dynamic but
uniform Ambilight colour.
TV switch off
Sets Ambilight to fade out and switch off a few seconds
after you have switched off the TV.
Wait until Ambilight fades out and switches off completely
before you switch the TV back on again.
2/2