The auto standby time can be set so that your YouView box automatically goes into standby when left idle.
To change the auto standby time, follow these steps:
Open the Menu
From Box management select Power & standby
Select Automatic standby
Choose your preferred time from 2, 3, 4 or 12 hours options
Please note: The auto standby mode cannot be turned off.
*Settings can be found via the cog in the top right corner of the menu. You can get to the cog by pressing Up and right after opening the menu.