Canon EOS 7D - Manual (Page 46)

46
Before You Start
You can change the auto power-off time for the camera to turn off
automatically after a certain period of non-operation. If you do not want
the camera to turn off automatically, set this to [Off]. After the power
turns off, you can turn on the camera again by pressing the shutter
button or other button.
1
Select [Auto power off].
Under the [5] tab, select [Auto
power off], then press <0>.
2
Set the desired time.
Turn the <5> dial to select the
setting, then press <0>.
3 Set the Power-off Time/Auto Power Off
Even if [Off] has been set, the LCD monitor will turn off automatically after
30 min. to save power. (The camera’s power does not turn off.)