Nikon D780 DSLR Camera (Body Only) - Manual (Page 681)

635 Menu Guide > A Custom Settings
Choose the role assigned to the J button during still
photography and playback.
Viewfinder Photography
Live View
f4: OK Button
G button
U A Custom Settings menu
Option Description
K
[ Select center focus
point ]
Pressing J selects the center focus point.
K
[ Highlight active
focus point ]
Pressing J highlights the active focus point.
[ None ] Pressing J during shooting has no effect.
Option Description
K
[ Select center focus
point ]
Pressing J selects the center focus point.
p [ Zoom on/off ]
Press J to zoom the display in on the area
around the current focus point. Press J
again to return to the previous display.
To choose the zoom ratio, highlight [
Zoom
on/off ] and press 2 .
[ None ] Pressing J during shooting has no effect.