The TT-12i and TT-12iD must have the USB Mode Setting set to “UVC” to be recognized natively by a computer Operating System. During this process ensure the USB cable is NOT connected to the camera as it may cause the setting change to fail.
1. Connect the document camera to a display (e.g. monitor, TV, projector, etc. Not a computer) using the HDMI or RGB output. The on screen menu is not available when using the USB or composite video connections.