ASA Electronics AOC-75 - Manual (Page 7)

3. Affix the “STOP” marker on the monitor screen over the image of the
rear view bumper to locate the rear bumper.
4. The monitor screen is now “calibrated” for distances behind the
vehicle of 3 feet, 6 feet and 9 feet.
5
High-Mounted, Centered
Camera Assembly Location
Camera Assembly
Location, High-
Mounted
Centered