Samsung Gear S3 classic User Manual page 34

Adjust the Input Value
Rotate the bezel to adjust the volume or brightness.
► On the status panel, tap
the brightness by rotating the bezel.
6
Know Your Device
Brightness and adjust
8
Receive or Reject Calls
When a call is received:
► Rotate the bezel clockwise to answer an incoming
call.
– or –
Rotate the bezel counter-clockwise to reject an
incoming call.
25 Use the Bezel