Canon EOS 80D - Manual (Page 152)

i : Setting the ISO Speed for Still PhotosN
152
You can set the automatic ISO speed range for ISO Auto within ISO 100
- ISO 16000. You can set the minimum limit within ISO 100 - ISO 12800,
and the maximum limit within ISO 200 - ISO 16000 in 1-stop
increments.
1
Select [Auto range].
2
Set the minimum limit.
 Select the minimum limit box, then
press <0>.
 Select the ISO speed, then press
<0>.
3
Set the maximum limit.
 Select the maximum limit box, then
press <0>.
 Select the ISO speed, then press
<0>.
4
Select [OK].
3 Setting the ISO Speed Range for ISO Auto
The [Minimum] and [Maximum] settings will also be applied to the ISO
speed safety shift’s minimum and maximum ISO speeds (p.415).