KDC-X997/KDC-BT955HD/KDC-X897/KDC-BT855U/KDC-X697/KDC-655U/KMR-555U20. Remote control (Optional accessory) setup (KMR-555U)20-1. Registering a remote control ID20-1. Registering a remote control IDWhen connecting the remote control KCA-RC107MR/ KCA-RC55MR (Optional accessory) to this unit, youshould register the ID for KCA-RC107MR/ KCA-RC55MR.1. Press [SRC] and select a Standby ("STANDBY") using [Control] knob.Refer to 2. Press [Control] knob.Enters the Function setting mode.3. Select "Initial Settings">"Remote Settings">"Remote ID Set" using [Control] knob.For how to use [Control] knob, refer to <3-3. How to select the item>.A remote control ID list is displayed. "Yes" indicates that this ID is already registered. "No" indicates thatthis ID is available.4. Press [Control] knob."Registering..." appears.5. Register the remote control ID.Button on the remote controlRemote control ID[ENTER]Registers ID1.[SRC]Registers ID2.[DISP]Registers ID3."ID#Set:Completed" appears.Exiting from the Function setting modePress and hold [1/6].When removing the remote controlWhen removing the KCA-RC107MR/ KCA-RC55MR, delete the registered remote control ID asmentioned in <20-2. Delete the remote control ID>.