Canon EOS M6 Mark II Advanced User's Manual page 149

Minimum Shutter Speed for ISO Auto
You can set the minimum shutter speed for ISO Auto.
This can help reduce camera shake and subject blur in < d > or < f >
mode when shooting moving subjects with a wide-angle lens, or when using
a telephoto lens.
Automatically set
Manually set
1
Select [Min. shutter spd.].
2
Set the desired minimum shutter
speed.
If you select [Auto], turn the <6> dial
z
to set a slower or faster speed, then
press < 0 >.
If you select [Manual], turn the <6>
z
dial to select the shutter speed, then
press < 0 >.
ISO Speed Settings
149