Panasonic Lumix S5 Mirrorless Camera - Manual (Page 108)

5. Focus/Zoom
108
[Zone (Vert./ Horz.)]/ [Zone (Square)]/ [Zone
(Oval)]
[Zone (Vert./ Horz.)]
Within the 225 AF areas, vertical and horizontal zones can be focused.
[Zone (Square)]
Within the 225 AF areas, a central square
zone can be focused.
[Zone (Oval)]
Within the 225 AF areas, a central oval
zone can be focused.
Horizontal pattern Vertical pattern
0 [ ] is not displayed with default settings. Set [Zone (Square)] to [ON] in
[Show/Hide AF Mode] in the [Custom] ([Focus/Shutter]) menu. ( l 375 )