1. Find "FaceTime"
2. Log on
3. Turn on FaceTime
4. Make a video call
The contact details are displayed.
5. Select option
Mute or unmute the microphone, go to 5a.
Change camera, go to 5b.
6. 5a - Mute or unmute the microphone
Depending on the current setting, the microphone is muted or unmuted.
7. 5b - Change camera
Depending on the current setting the front or back camera is turned on.