Nikon D780 DSLR Camera (Body Only) - Manual (Page 316)

270 Options for Movie Recording and Editing
A Adjusting White Balance During Movie Recording
White balance can be adjusted during movie recording by pressing the
Q / g ( U ) button and rotating the main command dial. Options for the
selected setting, if any, can be selected by holding the Q / g ( U ) button
and rotating the sub-command dial ( 0 195).
A Recording Movies in Mode M
In mode M shutter speed can be set to values between 1 /
25
s and 1 /
8000
s
(the slowest available shutter speed varies with the frame rate; 0 264).
A Wireless Remote Controllers and Remote Cords
If [ Record movies ] is selected for Custom Setting g2 [ Custom controls ] >
[ Shutter-release button ], the shutter-release buttons on optional
wireless remote controllers and remote cords can be pressed halfway to
start live view or pressed all the way down to start and end movie
recording.
A Using an External Microphone
The optional ME-1 stereo microphone or ME-W1 wireless microphone can
be used to record sound for movies.