Canon EOS R6 Mark II Mirrorless Camera with 24-105mm f/4-7.1 Lens - Manual (Page 183)

Setting ISO speed from a screen of options
1.
Access the screen of ISO speed options.
Tap the ISO speed in the lower right of the screen.
2.
Select an option.
Turn the < > dial or select a registered setting value.
You can register frequently used ISO speed setting values by
specifying an option other than [
AUTO ] and selecting [ Register ].
Note
To specify [ AUTO ] when setting [ ISO speed ] in [ : ISO speed settings ],
press the < > button.
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