Nikon D4 - Manual (Page 368)

342
U
Choose the role played by the center of the sub-selector during
movie live view.
g3: Assign Sub-selector Center
G button
➜ A Custom Settings menu
Option Description
r
Index marking
Press the control during movie recording to add an
index at the current position (
0 67). Indices can be
used when viewing and editing movies.
s
View shooting
photo info
Press the control to display information on shutter
speed, aperture, and other photo settings in place of
movie recording information. Press again to return to
the movie recording display.
B
AE/AF lock Focus and exposure lock while the control is pressed.
C
AE lock only Exposure locks while the control is pressed.
E
AE lock (Hold)
Exposure locks when the control is pressed, and
remains locked until the control is pressed a second
time or the standby timer expires.
F
AF lock only Focus locks while the control is pressed.
None Pressing the control has no effect.