12 .How to Operate the HMI Remote Viewer 12 - 4 Pinch in/Pinch out Operation Pinching is a gesture to touch the surface with two fingers. The following explains the pinch in/pinch out operations during the VNC connection. Pinch out Touch the surface with two fingers and bring them wider together. This gesture is used to enlarge the screen. Pinch in Touch the surface with two fingers and bring them closer together. This gesture is used to scale down the enlarged screen. * The screen size cannot be reduced right after the connection. 30