LG 55LM670T User Manual page 180

✎ If more than one hand is detected by the camera, it works with the first
detected hand only. To use another hand to operate the controller, lower your
hand down to clear the controller from the screen and then raise your hand
up again.
✎ If you hold your hand up with it spread out or gripped, the camera may not
detect your hand. Make sure you raise your hand to show all five fingers.
✎ Be careful not to move your hand too fast or make too big motion. This may
cause the camera to malfunction.
✎ If Motion Recognition
them up again.
does not work properly, lower your hands and then lift