LG LC7F-P User Manual page 6

(8) Interactions | Rotary Knob
*Rotate
Users can rotate the Volume
knob on the faceplate.
(9) Touch Gestures
*Tap
*Fling/Swipe
*Pinch & Spread
*Push
Users can press on the center of
the rotary-push knob to mute volume.
*Press & Hold