Panasonic LUMIX DC-GH6 Owner's Manual page 556

Camera Customization – [Custom] Menu
[Quick AF]
[ON] / [OFF]
When the amount of camera shake becomes small, the camera will automatically
adjust the focus and focus adjustment will then be quicker when the shutter button is
pressed.
•
The battery will drain faster than usual.
•
This function is not available in the following cases:
– In preview mode
– In low light situations
[Eye Sensor AF]
[ON] / [OFF]
When looking through the viewfinder, if the eye sensor operates, then AF will
function.
•
[Eye Sensor AF] may not work in low light situations.
[Looped Focus Frame]
[ON] / [OFF]
When moving the AF area, MF Assist, or video enlarged display of live view, this
enables looping from one edge to the opposite edge of the screen.
556