Nikon D780 Reference Manual page 194

D
AF-Area Mode
AF-area mode is shown in the control panel and viewfinder.
AF-area mode
[Single-point AF]
[Dynamic-area AF
(9 points)]
[Dynamic-area AF
(21 points)]
[Dynamic-area AF
(51 points)]
[3D-tracking]
[Group-area AF]
[Auto-area AF]
* Only active focus point is displayed in the viewfinder. Remaining focus
points provide information to assist focus operation.
148 Shooting Settings
Control
panel
*
*
*
Viewfinder focus-
Viewfinder
(during selection)
point display