Nikon D4S - Manual (Page 367)

345
U
This option controls the operation of the main and sub-command
dials.
f10: Customize Command Dials
G button
➜ A Custom Settings menu
Option Description
Reverse
rotation
Reverse the direction of rotation of the
command dials when they are used to
make adjustments to Exposure
compensation and/or Shutter speed/
aperture. Highlight options and press
2 to select or deselect, then press J.
This setting also applies to the
command dials for vertical shooting.
Change
main/sub
Exposure setting : If Off is selected, the
main command dial controls shutter
speed and the sub-command dial
controls aperture. If On is selected, the
main command dial will control
aperture and the sub-command dial
shutter speed. If On (Mode A) is
selected, the main command dial will be used to set aperture
in exposure mode g only.
Autofocus setting
: If On is selected, autofocus mode can be
selected by keeping the AF-mode button pressed and rotating
the sub-command dial, AF-area mode by keeping the AF-mode
button pressed and rotating the main command dial.
These settings also apply to the command dials for vertical
shooting.
Aperture
setting
If Sub-command dial is selected, aperture can only be
adjusted with the sub-command dial (or with the main
command dial if On is selected for Change main/sub). If
Aperture ring is selected, aperture can only be adjusted with
the lens aperture ring and the camera aperture display will
show aperture in increments of 1 EV (aperture for type G and E
lenses is still set using the sub-command dial). Note that
regardless of the setting chosen, the aperture ring must be
used to adjust aperture when a non-CPU lens is attached.