Canon EOS 250D Advanced User's Manual page 261

Setting the Image Review Time
You can change how long the image is displayed on the LCD monitor
immediately after shooting. If [Off] is set, the image will not be displayed
immediately after shooting. If [Hold] is set, the image review will be
displayed up until the [Auto power off] time has elapsed.
Note that during image review, if you operate any camera controls such as
pressing the shutter button halfway, the image review will end.
Setting the Auto Power Off Time
To save battery power, the camera turns off automatically after a set time of
idle operation elapses. When the camera is turned off due to auto power off,
you can turn it on again by pressing the shutter button, etc.
If [Disable] is set, either turn off the camera or press the <U>
button to turn off the LCD monitor to save battery power.
Even if [Disable] is set, the LCD monitor will turn off after the camera
is left idle for approx. 30 min. To turn on the LCD monitor again, press
the <U> button.
If [10 sec/30 sec] is set, the camera will turn off after it is left idle for approx.
z
10 sec. When setting functions or during Live View shooting, movie recording,
image playback, etc., the auto power off time will be approx. 30 sec.
Under the [z] tab, select [Image review],
then press <0>. Select the desired
setting, then press <0>.
Under the [5] tab, select [Auto power
off], then press <0>. Select the desired
setting, then press <0>.
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