Nikon Z8 User Manual page 709

Command Dials
The following roles can be assigned to the command dials. To view options, highlight items and press
2.
Role
[Exposure setting]
[Focus/AF-area
mode selection]
[Sub-command
dial zoom role]
Reverse the roles of the main and sub-command dials in selected modes.
Press 4 or 2 to highlight a mode and 1 or 3 to switch roles.
Switch the roles played by rotating the main and sub-command dials while
the focus-mode button is pressed.
Choose the role played by the sub-command dial in the zoom display.
Choose [Exposure setting] to change the role played by the sub-
command dial in each mode.
Choose [Zoom] to use the sub-command dial to zoom in or out.
Description
635
f2: Custom Controls (Shooting)