20BBAThe HD-SD format converter board (AJ-UDC150P),which is available as an optional accessory, can beinstalled in the unit.O Consult your dealer concerning theinstallation of the optional board.O Before installing the optional board, beabsolutely sure to disconnect the powercable.Board clampRemove the six screws of the unit’s top panel,and remove the top panel.1Remove the two screws, and stand the board unitvertically.Check that the stoppers are locked to ensure thatthe board unit will not topple over.2Loosen the two screws at A, remove the twoscrews at B, and remove the board clamps.There is no need to remove the two screws at A.3Remove the board in the F4 slot, and install theHD-SD format converter board (AJ-UDC150P).4Insert the board into the F4 slot, engage theboard clamps and screw them down.Insert the board while ensuring that the wires arenot pinched in the process.5Unlock the stoppers, place the board unit flat,and screw it down.Place the board unit flat while ensuring that thewires are not pinched in the process.6Attach the top panel and secure it using thescrews.7Turn on the unit’s power, and set it to thedecoder mode.Check that a display other than “NONE” appearsas the status display “UFC” on the display panel.8ScrewsBoard unitStopperAJ-UDC150PHow To Install Optional Circuit BoardCAUTIONThese servicing instructions are for use by qualified service personnel only. To reduce the risk ofelectric shock do not perform any servicing other than that contained in the operating instructionsunless you are qualified to do so.