www.acti.comHardware Manual21Other Adjustments and AccessoriesHow to Adjust the Viewing Angle and FocusThis section describes the procedures in adjusting the viewing angle and focus of the camera.D51 / D52 / E51Camera Parts OverviewAdjustment Procedures1. Loosen the tilt adjustment screws, adjust the tilt, and then tighten back the screws to fixthe tilt position.2. Move the rotation adjustment to rotate the viewing orientation.3. Attach the bundled lens focus tuner unto the lens and turn left or right to adjust the focus.12