A4: af activation, A5: focus point illumination, 0 315) f – Nikon D4S User Manual
Page 337: 0 315), the

315
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If Shutter/AF-ON is selected, both the
shutter-release button and the
B button
can be used to initiate autofocus. Select AF-
ON only to prevent the camera focusing
when the shutter-release button is pressed
halfway.
Choose from the following focus point display options.
a4: AF Activation
G button
➜ A Custom Settings menu
a5: Focus Point Illumination
G button
➜ A Custom Settings menu
Option
Description
Manual focus
mode
Choose On to display the active focus point in manual focus
mode, Off to display the focus point only during focus point
selection.
Continuous
mode
Choose On to display the active focus point in C
H
(continuous high-speed) and C
L
(continuous low-speed)
modes.
Focus point
brightness
Choose the brightness of the focus point display in the
viewfinder from Extra high, High, Normal, and Low.
Dynamic-area
AF display
Choose On to display both the selected focus point and the
surrounding focus points in dynamic-area AF mode
(
0 100). When 3D-tracking is used, a dot will be displayed
in the center of the focus point (
n).
Group-area AF
illumination
Choose how the active
focus points are
displayed in group-area
AF (
0 101).
Option
Focus point display
g
h