Panasonic Lumix S5 Mirrorless Camera - Manual (Page 101)

5. Focus/Zoom
101
0 When the following functions are being used, [ ] is not available:
– [Time Lapse Shot]
– [Live View Composite]
0 When the focus mode is set to [AFC], [ ] is not available.
0 When the following function is being used, the AF mode is fixed to [ ] (face
detection):
– [Live Cropping]
0 When the following functions are being used, the AF mode is fixed to [ ]:
– [65:24]/[2:1] ([Aspect Ratio])
– [Miniature Effect] ([Filter Settings])
0 The AF mode cannot be set when using Post-Focus.