Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 188)

3.
Set [Maximum].
Select the [ Maximum ] box, then press the < > button.
Select an ISO speed, then press the < > button.
4.
Select [OK].
Note
The [ Minimum ] and [ Maximum ] settings will also function as the minimum and
maximum speeds for ISO speed safety shift ( ).
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