Panasonic DMC-GH4KBODY - Manual (Page 106)

4. Focus and Shutter (Drive Mode) Settings
106
• When recording with the Touch Shutter, the focus and brightness are optimized for the touched
position before recording takes place.
• At the edge of the screen, the metering may be affected by the brightness around the touched
location.
Not available in these cases:
• [AF+AE], which optimizes the focus and brightness, does not work in the following cases.
– In Manual Focus
– When using the Digital Zoom
– When the AF area has been set by using the cursor button