Nikon D780 DSLR Camera (Body Only) - Manual (Page 687)

641 Menu Guide > A Custom Settings
Selecting [ Yes ] allows adjustments that are normally made by
holding a button and rotating a command dial to be made by
rotating the command dial after the button is released. This
ends when the button is pressed again, the shutter-release
button is pressed halfway, or the standby timer expires.
• [ Release button to use dial ] applies to the E , S ( Q ), BKT ,
c ( Y ), Q / g ( U ), X ( T ), W ( Y ), and AF mode buttons.
• [ Release button to use dial ] also applies to controls to which
the following roles have been assigned using Custom Settings
f3 or g2 [
Custom controls ]: [ Choose image area ], [ Active
D-Lighting ], [ Metering ], [ Auto bracketing ], [ Multiple
exposure ], [ HDR (high dynamic range) ], [ Exposure delay
mode ], [ 1 step spd/aperture ], and [ Choose non-CPU lens
number ].
f6: Release Button to Use Dial
G button
U A Custom Settings menu