Nikon D4S - Manual (Page 310)

288
Q
A
HDMI and Live View
When the camera is connected via an HDMI cable, HDMI displays can be
used for live view photography and movie live view (
0 61, 69). Note
that if 1920 × 1080; 60p is selected for the Movie settings > Frame
size/frame rate option in the shooting menu (
0 74), the selected
setting will only be reflected in the HDMI output during movie
recording if all the following conditions are met: Auto or 1080p
(progressive) is selected for HDMI > Output resolution, 100% is
selected for HDMI > Advanced > Output display size, and Off is
selected for HDMI > Advanced > Live view on-screen display (
0 286).
At other settings, the output resolution, display size, or frame rate may
differ from that selected in the camera menus.