The bottom Mounting Knob thread in the hole and the top Mounting Knob sits on the
Lightly push the receiver down so that both Mounting Knobs are locked
Make sure that cables are organized with the Cable Cover so that the
cables hang out on the same side as the Mounting Knobs and on the
front side of the receiver.
If difficult to mount the receiver, remove the TOP Mounting Knob.
Reposition the receiver to the bracket then tighten with the Mounting
Knob to keep in place.