Panasonic Lumix S5 Mirrorless Camera - Manual (Page 509)

17. Materials
509
0 When using a large capacity card, you may not be able to record for a while after
turning on the camera.
0 Recording video requires a card of a supported speed class. Use a compatible card.
(
l 25 )
0 Depending on the recording conditions or the lens used, the sound of aperture and
focus actions may be recorded in videos.
You can set the focus operation during video recording to [OFF] in [Continuous AF]
(
l 256 ).
0 Do not block the microphone hole during video recording.
0 We recommend setting the [ ]/[S&Q] mode and recording with touch operation if
you are bothered about the operation sounds during recording. ( l 246 )
Video
Cannot record videos.
Video recording stops in the middle.
In videos, abnormal clicking and buzzing sounds are recorded.
The recorded audio is very quiet.
An operation sound is recorded in a video.