Position the camera and arms at ninety degrees to oneanother for optimal viewing. Rotate the camera head toadjust the angle of the projected image. The logo on thecamera head can be used as a guide when projecting adocument.There is a lens at the end of the document cameraarm. Treat it like you would treat the lens of anyother camera:• Touching it will leave fingerprints and/or dust.• Use the included lens cap to cover the lens whenyou are not using your camera for a while.Leave the lens attached for normal use (when projectingdocuments on the desktop – distances less than 15inches away).If you want to project images from around the room(or other objects more than 3 feet away), firstunscrew the lens to remove it, and carefully store thelens in the clear, round case included with yourdocument camera to protect it from fingerprints, dust, ordamage.