F: controls, F1: illuminator switch, F2: ok button (shooting mode) – Nikon D90 User Manual

Page 216: F1: d switch

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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.

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