Rear Panel Connections Optical and Coaxial Digital OutputsFM AntennaAM AntennaAnalog Audio OutputsDAB AntennaAC Power CordRemote Control OutputRemote Control Input Optical and Coaxial Digital Outputs:Connect one of these jacks to the optical orcoaxial digital input of your pre amplifier orintegrated amplifier, if available.Note that these digital outputs only contain thedigital signal from the DAB stations. For FM/AMreception, you will have to connect the analogoutputs at all times. FM Antenna: Connect an indoor or exter-nal FM antenna to this terminal. AM Antenna: Connect the AM loopantenna supplied with the receiver to theseterminals. If an external AM antenna is used,make connections to the AM and GNDterminals in accordance with the instructionssupplied with the antenna. Analog Audio Outputs: Connect thesejacks to the tuner input of your pre amplifier orintegrated amplifier for analog audio playback.Be certain to observe proper channelconnections using the color-coded cables andconnectors so that red connects right channelsand white connects left channels.NOTE: Before making any audio connections,unplug all components of your audio systemfrom their AC power outlets. To reduce thepossibility of hum or noise in your system, placeall audio interconnection cables away from bothAC power cords and speaker wires. DAB Antenna: Connect a DAB antenna tothis terminal. AC Power Cord: Connect this plug to anAC outlet. If the outlet is controlled by a switch,make certain that it is in the ON position. Remote Control Output: Connect thisjack to the infrared (IR) input jack of anothercompatible Harman Kardon remote controlledproduct to have the built-in Remote Sensor onthe tuner provide IR signals to other compatibleproducts. Remote Control Input: Connect theoutput of a remote infrared sensor, or theremote control output of another compatibleHarman Kardon product, to this jack. This willenable the remote control to operate even whenthe front panel Remote Sensor on the tuner isblocked. This jack may also be used withcompatible IR remote control-based automationsystems.harman/kardonTU 970II/230 Service ManualPage 5 of 21