Nikon D90 - Manual (Page 216)

196
L
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.
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 Description
f LCD backlight (D) (default) Control panel backlight illuminates for 6 s.
g Both
Control panel backlight illuminates and shooting
information is displayed in monitor.
Option Description
Select center focus point
(default) Pressing the J button in shooting mode selects the center focus
point.
Highlight active focus
point Pressing the J button in shooting mode highlights the active
focus point.
Not used
Pressing the J button has no effect when the camera is in
shooting mode.