Panasonic DMC-GH3KBODY Owner's Manual page 60

Preparation
[Dial Set.]
[Video Button]
Changes the operation methods of the front dial and rear dial.
(P17)
[Assign Dial (F/SS)]:
Assigns the operations of the aperture value and shutter speed in
Manual Exposure Mode.
[ F SS]:
Assigns the aperture value to the front dial, and the shutter
speed to the rear dial.
[ SS F]:
Assigns the shutter speed to the front dial, and the aperture
value to the rear dial.
[Rotation (F/SS)]:
Changes the rotation direction of the dials for adjusting the
aperture value and shutter speed.
[ ]/[
[Exposure Comp.]:
Assigns the Exposure Compensation to the front dial or rear dial
so that you can directly adjust it.
[ ] (Front Dial)/[
Enables/disables the motion picture button.
[ON]/[OFF]
]
] (Rear Dial)/[OFF]
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