Harman Kardon AVR347 Service Manual

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Main Power Switch: This mechanical switch turns the power supplyon or off. It is usually left pressed in (On position), and cannot be turnedon using the remote control.Standby/On Switch: This electrical switch turns the receiver on forplayback, or leaves it in Standby mode for quick turn-on using thisswitch or the remote control.Power Indicator: This LED has three possible modes. When mainpower is turned off, the LED is dark and the receiver won’t respond toany button presses. When main power is turned on, but before theStandby/On Switch is used, the LED turns amber to indicate that thereceiver is in Standby mode and ready to be turned on. When thereceiver is turned on, the LED turns blue.Source Select: Press this button to select a source device, whichis a component where a playback signal originates, e.g., DVD, CD,cable TV, satellite or HDTV tuner.Source Indicators: The name of the current source input lights up.The indicated input changes each time the Source Select button ispressed.Volume Knob: Turn this knob to raise or lower the volume, which willbe shown in decibels (dB) in the Message Display.Message Display: Various messages appear in this two-line displayin response to commands and changes in the incoming signal. Whenthe on-screen display menu system (OSD) is in use, the message OSDON will appear to remind you to check the video display.Tuner Band: Press this button to select the tuner as the source, toswitch between the AM and FM bands, or to select XM satellite radio.Tuning: Press either side of this button to tune a radio station or XMchannel.Tuning Mode: This button toggles between manual (one frequencystep at a time) and automatic (seeks frequencies with acceptable signalstrength) tuning mode. It also toggles between stereo and mono modeswhen an FM station is tuned.When XM Radio is in use, pressing this button repeatedly displays thechannel name, category, artist and track title in the lower line of theMessage Display. For traffic-and-weather channels, this button displaysthe city, channel name, local weather and local temperature.Preset Stations: Press this button to select a preset radio station.Headphone Jack/EzSet/EQ Microphone Input: Plug a 1/4"headphone plug into this jack for private listening.This jack is also used to connect the supplied microphone before begin-ning the EzSet/EQ procedure described in the Initial Setup section. Tobegin EzSet/EQ, plug the supplied microphone into this jack, place themicrophone at the listening position, and follow the directions given inthe SPEAKER SETUP on-screen menu.Surround Mode: Press this button to select a surround sound (e.g.,multichannel) mode group. Choose from the Dolby modes, DTS modes,Logic 7 modes, DSP modes or Stereo modes.Surround Select: After you have selected the desired surroundmode group, press this button to select a specific mode.Surround Mode Indicators: One or more of these icons may lightup as you select different surround modes. The Message Display alsoindicates the surround mode.Analog Audio, Video and Digital Audio Inputs: Connect asource component that will only be used temporarily, such as a cameraor game console, to these jacks. Use only one type of audio and onetype of video connection.Speaker/Channel Input Indicators: The box icons indicatewhich speaker positions you have configured, and the size (frequencyrange) of each speaker. When a digital audio input is used, letters willlight inside the boxes to indicate which channels are present in theincoming signal.Navigation: These buttons are used together with the following fivebuttons to make selections.Tone Mode: Press this button to access the tone controls (bass andtreble). Use the ‹/› Navigation Buttons to make your selections.Speaker: Press this button to configure speaker sizes; that is, thelow-frequency-range capability of each speaker.Channel Level Adjust: Press this button to set the output level foreach channel so that all speakers sound equally loud at the listeningposition.Digital Input Select: Press this button to select the specific digitalaudio input (or analog audio input) you used for the current source.Delay: Press this button to set delay times that compensate forplacing the speakers at different distances from the listening position.FRONT-PANEL CONTROLSAVR347 harman/kardon6