q Power Switch (POWER, ON / OFF)This switch is used to turn the WJ-AV20 AV Codecpower on and off.The LED indicator lights up while the codec power isturned on.Note: To prevent the AC Codec power from beingturned off accidentally, install the supplied switchprotector as shown below.w Controller Jack (REMOTE)This jack is provided for controlling the AV Codec withthe WV-CU20E Remote Controller.SIGNAL GNDAC INOFF ONRS–485 RS–232CON ↓6543211122453OUTINTEST SETUPREMOTE DATA PORT HOST PORT HOST PORTVIDEOIN OUT TERMSENSOR IN/TRIGGER OUT PARALLEL PORTISDN12REMOTELOCAL AUDIO!1 !3 !4 !6!7 !8 !9!5!2 @0 @1 @2 @3@4 @5 @6 @76MAJOR OPERATING CONTROLS AND THEIR FUNCTIONSLINE1 LINE2 RING.VOLAV Codec WJ–AVPOWERONOFFREMOTEq w re t WJ-AV20 AV Codec Front View Rear ViewTo connect the controller, use a 6-conductor DIN cablesupplied as an accessory with the controller.If the controller is connected to the REMOTE port on therear of the AV Codec, use a 6-conductor modular cablesupplied as an accessory with the controller.e Line Indicators (LINE1/LINE2)Indicates when the line is being used.r Ringer Volume Control (RING VOL)This control is used to adjust the alert tone to thedesired level for receiving calls.t Ringer BuzzerSWITCHPROTECTOR