F: Controls; F1: D Switch; F2: Ok Button (Shooting Mode) - Nikon D90 User Manual

f: Controls

f1: D Switch

Choose the function performed by rotating the power switch to the D position. This
option is available in all shooting modes.
Option
f LCD backlight (D) (default) Control panel backlight illuminates for 6 s.
g Both

f2: OK Button (Shooting Mode)

This option (available in all shooting modes) determines what operations can be
performed by pressing the J button in shooting mode.
Option
Select center focus point
(default)
Highlight active focus
point
Not used
L
196
Control panel backlight illuminates and shooting
information is displayed in monitor.
Pressing the J button in shooting mode selects the center focus
point.
Pressing the J button in shooting mode highlights the active
focus point.
Pressing the J button has no effect when the camera is in
shooting mode.
Description
Description