Canon EOS 90D, Instruction Manual, Page: 786 / 888

574
Custom Function Setting Items
C.Fn III-4: 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 <
2
>.

0: Enable

1: Disable
o
With auto power off , the lens will not retract regardless of the setting.
o
Before detaching the lens, make sure that it is retracted.
o
When
[0:Enable]
is set, this function takes eff ect regardless of the lens’s
focus mode switch setting (AF or MF).
C.Fn III-5: Audio compression
Sets audio compression for movie recording.
[1:Disable]
allows higher
audio quality than when audio is compressed, but fi le sizes are larger.

0: Enable

1: Disable
o
Editing movie fi les recorded with
[1:Disable]
and then saving them with
compression will also compress the audio.
o
Audio is compressed even if
[1:Disable]
is selected when
[Movie rec. size]
is
set to
L6V
(NTSC) or
L5V
(PAL).
o
Audio for Basic Zone or video snapshots is compressed even when
[1:Disable]
is selected.