Nikon Z8 - f11: Switch Focus;Control Ring Roles

f11: Switch Focus/Control Ring Roles
G buttonU
ACustom Settings menu
If [ON] is selected, the focus ring will perform the role currently assigned to the control ring using
Custom Setting f2 [Custom controls (shooting)] or g2 [Custom controls].
When [ON] is selected, the control ring functions solely in the [Focus (M/A)] role.
This option applies only to compatible lenses.
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f11: Switch Focus/Control Ring Roles