Input mode indicatorsThese light according to the audio input mode settings of each inputsource. Surround back indicatorThis lights when audio signals are being output from the surroundback speakers. Decoder indicatorsThese light when Dolby or DTS signals are input or when the Dolby orDTS decoder is running. Audyssey® indicatorThis indicator lights when the “MultEQ® XT”, “DynamicEQ” or “Dynamic Volume” setting is set to other than “Off” and“Audyssey DSX®” setting is set to other than “Off”. Tuner reception mode indicatorsThese light up according to the reception conditions when the inputsource is set to “Tuner”.TUNED: Lights up when the broadcast is properly tuned in.STEREO: Lights up when receiving FM stereo broadcasts. Sleep timer indicatorThis lights when the sleep mode is selected. Circle indicatorCircle indicator is displayed when the input source is “NETWORK” or“iPod/USB” when you are playing back music.Display (1 of 2)HOME DISPLAY 2FRONT PANEL 2 4