PL90HRBK Manual 1
Page 6
... one edge of this drawer (as shown below) and slide the drawer out. Battery Release button Installation Diagram 5 (Yellow) Video 1 input (Yellow) Video 2 input (Red) Audio right input (White) Audio left input (Black) Grounding (Red) Battery +12V Insert a new battery and push the drawer back fully into the remote.
... one edge of this drawer (as shown below) and slide the drawer out. Battery Release button Installation Diagram 5 (Yellow) Video 1 input (Yellow) Video 2 input (Red) Audio right input (White) Audio left input (Black) Grounding (Red) Battery +12V Insert a new battery and push the drawer back fully into the remote.