Nikon D810 - Manual (Page 382)

358
C
AE lock only Exposure locks while the Fn button is pressed.
D
AE lock (Reset
on release)
Exposure locks when the Fn button is pressed, and
remains locked until the button is pressed a second
time, the shutter is released, or the standby timer
expires.
F
AF lock only Focus locks while the Fn button is pressed.
A
AF-ON Pressing the Fn button initiates autofocus.
z
IDisable/
enable
If the flash is currently off, front-curtain sync will be
selected while the Fn button is pressed. If the flash is
currently enabled, it will instead be disabled while
the Fn button is pressed.
4
+ NEF (RAW)
If image quality is set to JPEG fine, JPEG normal, or
JPEG basic, “RAW” will be displayed in the control
panel and an NEF (RAW) copy will be recorded with
the next picture taken after the Fn button is pressed
(the original image quality setting will be restored
when you remove your finger from the shutter-
release button). NEF (RAW) copies are recorded at
the settings currently selected for NEF (RAW)
recording in the shooting menu (0 295). To exit
without recording an NEF (RAW) copy, press the Fn
button again.
a
Live view Pressing the Fn button starts and ends live view.
None Pressing the button has no effect.
Option Description