User manual HARMAN KARDON HK 980

[. . . ] Connecting the unit to an outlet supplying a higher voltage may create a fire hazard. Handle the Power Cord Gently Do not disconnect the plug from the AC outlet by pulling the cord; always pull the plug itself. If you do not intend to use your unit for any considerable length of time, turn the unit off completely by taking the power cord out of the AC wall outlet. Do not place furniture or other heavy objects on the cord, and try to avoid dropping heavy objects on it. [. . . ] You can listen to two pairs of speakers at the same time ONLY if the impedance of EACH speaker is NOT LESS THAN 8 Ohms. WARNING: Do not play sets of speakers simultaneously except as recommended above. AC Power Plug the cord into a 230 VAC wall socket. Power indicator will light up to indicate power ON. To completely disconnect the power input, the main plug must be disconnected from the mains. 2. Avoid rolling excess wire with or near signal interconnects. External Power Amplifiers For applications where higher power is desired, connect the Pre-Out Jacks to the Main In Jacks of an external power amplifier. 4 CONNECTIONS Controls and Functions ENGLISH 1 Power Indicator: This LED will illuminate in amber when the unit is in the Standby mode to signal that the unit is ready to be turned on. When the unit is in operation, the indicator will turn blue. 2 System Power Control: Press this button to turn on the HK 980; press it again to turn the unit off (to Standby). Note that the Power Indicator 1 next to the switch will turn blue when the unit is on. 3 Speaker 1 /2 Selectors: Press to select speaker pair 1 or 2, or both, or neither (headphone output only). 4 Input Source Selector: Select desired input source for listening by press-ing the "Input Source" button repeatedly (on the left will select downwards, right upwards) until the display for the desired source is illuminated. 5 Record Source Selector: Select desired source for recording to device connected to the rear panel Tape and CDR Out sockets by pressing the "Record Source" button repeatedly until the display for the desired source is illuminated. 6 Source Direct: Press to bypass tone control circuitry. 7 Mode Button: Press this button to make changes to the bass, treble and balance settings. 8 Headphone Jack: Plug in headphones if desired. With both "Speaker 1" and "2" selectors in the Off position, output is supplied only to headphones. 9 Volume Control: Turn to raise or lower output volume. ) Main Information Display: This display delivers messages and status indications to help you operate the receiver. Remote Sensor Window: The sensor behind this window receives infrared signals from the remote control. Aim the remote at this area and do not block or cover it unless an external remote sensor is installed. CONTROLS AND FUNCTIONS 5 Remote Control Independent Remote Control The system remote of the HK 980 can control the amplifier and compatible Tuners, CD Players and CD Recorders. The remote In jack of units without an integrated IR receiver must be connected to the amplifier's remote control output jack so that the system remote control can operate them. [. . . ] Humming noise when listening to LP Howl or ringing when listening to LP. · The unit is away from fluorescent lights, TV, motors and other electrical appliances. · Disconnect the AC line cord from the wall socket, wait 5 minutes and then re-connect it. · Ground wire from record player has been connected to ground terminal on amplifier. [. . . ]