Canon EOS R10 User Manual page 869

Expanded ISO speeds cannot be selected for still photo shooting.
Check the [ISO speed range] setting under [
Expanded ISO speeds are not available when [
[Enable] or [Enhanced].
Expanded ISO speeds are not available when [
[Enable].
Even if I set a decreased exposure compensation, the image comes out
bright.
Set [ : Auto Lighting Optimizer] to [Disable] (
[High] is set, even if you set a decreased exposure compensation or flash exposure
compensation, the image may come out bright.
I cannot set the exposure compensation when both manual exposure
and ISO Auto are set.
See M: Manual Exposure
Not all the lens aberration correction options are displayed.
With [Digital Lens Optimizer] set to [Standard] or [High], [Chromatic aberr corr] and
[Diffraction correction] are not displayed, but they are both set to [Enable] for
shooting.
During movie recording, [Digital Lens Optimizer] or [Diffraction correction] are not
displayed.
Using flash in <
Set [Slow synchro] in [
auto]) or [1/250 sec. (fixed)] (or [1/200 sec. (fixed)]) (
The built-in flash does not fire.
Shooting with the flash may be temporarily disabled to protect the flash head if the built-
in flash is used repeatedly over a short period.
The external Speedlite does not fire.
Make sure any external flash units are securely attached to the camera.
to set the exposure compensation.
> or < > mode lowers the shutter speed.
: Flash control] to [1/250-1/60 sec. auto] (or [1/200-1/60sec.
869
: ISO speed settings].
: Highlight tone priority] is set to
: HDR shooting
). When [Low], [Standard], or
).
] is set to