V1.02
Thom Hogan’s Complete Guide to the Nikon D300
Page 572
Custom Setting #F1 Direction Pad Center Button
(Multi selector center button)
The Direction pad on the D300 is like that of the D2 series,
D200, and D3, in that you can press it any of eight directions
or press the center. This option controls what that center press
does while shooting and playing back images:
While Shooting (
Shooting Mode
)
Select center focus point
Selects central autofocus area
(or center sensor group)
[default]
Highlight active focus point
Shows which autofocus area
is the currently selected one
by illuminating it
Not Used
Pressing center of the button
does nothing