Canon EOS-1D X Mark III DSLR Camera (Body Only) - Manual (Page 854)

C.Fn8
Default Erase option
You can set which option is selected by default in the erase menu ( ), which is accessed
by pressing the < > button during image playback or during review after shooting.
By setting an option other than [ Cancel ], you can simply press < > to erase images
quickly.
: [Cancel] selected
: [Erase] selected
: [Erase ] selected
: [Erase non- ] selected
Caution
Be careful not to erase images accidentally when an option other than [ Cancel ] is
set.
Retract lens on power off
You can set whether to retract gear-type STM lenses (such as EF40mm f/2.8 STM)
automatically when the camera's power switch is set to <
>.
ON: Enable
OFF: Disable
Caution
With auto power off, the lens will not retract regardless of the setting.
Before detaching the lens, make sure that it is retracted.
Note
When [ Enable ] is set, this function takes effect regardless of the lens's focus mode
switch setting (AF or MF).
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