f3: OK Button

Choose the role assigned to the J button in photo mode and during playback.

Shooting Mode
Playback Mode

Shooting Mode

Regardless of the option selected, when auto-area AF is chosen for AF-area mode, the button functions only to initiate subject-tracking AF (Subject-Tracking AF).

Role		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.

Playback Mode

Regardless of the option selected, pressing J when a movie is displayed full frame starts movie playback.

Role		Description
n	[Thumbnail on/off]	Press J to toggle between full-frame playback, 4-, 9-, and 72-frame thumbnail playback, and calendar playback.
o	[View histograms]	A histogram is displayed while the J button is pressed. The histogram display is available in both full-frame and thumbnail playback.
p	[Zoom on/off]	Press J to zoom the display in on the area around the active focus point. Press J again to return to the previous display. To choose the zoom ratio, highlight [Zoom on/off] and press 2. Zoom is available in both full-frame and thumbnail playback.
u	[Choose slot and folder]	Press J to display the [Choose slot and folder] dialog, where you can then choose a slot and folder for playback.