Nikon D780 DSLR Camera (Body Only) - Manual (Page 629)

583 Menu Guide > 1 The Movie Shooting Menu
Select [ On ] to enable the low-cut filter, reducing noise
produced by wind blowing over the built-in microphone. Note
that other sounds may also be affected.
Selecting [
On ] for [ Wind noise reduction ] has no effect on
optional stereo microphones. Wind-noise reduction for optional
stereo microphones that support this feature can be enabled or
disabled using microphone controls.
Press 1 or 3 to adjust headphone volume.
Wind Noise Reduction
G button
U 1 movie shooting menu
Headphone Volume
G button U 1 movie shooting menu