Philips VTR8000 User Manual page 80

(7) Backlight Time
The backlight time function can be set at: 15, 30, 45, 60 seconds and
Constant. If there's no operation on the device for the set time, the
backlight turns off automatically. If you select 0, the backlight is to be
always. See the below picture of Backlight Time setting:
(8) Auto off
If there's no operation on the device for a set time, the system
automatically shuts down. If the time is set at 0, the system will not
automatically shut down. See the below auto off picture:
(9) System time setting
See the below picture of System time setting:
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