29CAUTION!• The master volume is set to “–30 dB” when test tones are output.• The test tones are for confirming the low frequency playback limits and are played at an extremely high level. When using a low outputsubwoofer, be very careful about irregular operations exceeding clipping by for example turning down the subwoofer’s attenuator beforestarting then slowly turning the attenuator up to the listening level.• Also, when the subwoofer is set to “NO” in the speaker configuration, the test tones are output from the front speakers. When using frontspeakers with low input resistance, check that the sound is not clipped at sections where the signal is strong on the CD music source beforestarting the peak limit setting. The peak limit setting should not be performed if the music source cannot be played with the master volumeset at “–15”. Set the front speakers to “small” and the subwoofer to “YES” in the speaker configuration. When this is done, the lowfrequencies are cut, so the effect is insufficient. We strongly recommend adding a subwoofer.• If the test tone is clipped when it is set to “–18 dB”, set the peak limit to “–18 dB”. In this case, the input resistance of the subwoofer orfront speakers is insufficient so clipping may occur when playing music. We recommend switching to a subwoofer with a higher inputresistance.Setting the Digital In Assignment• This setting assigns the digital input jacks of the AVR-5803 for the different input sources.1 At the System Setup Menu select “Digital In Assignment”.2 Switch to the Digital In Assignment screen.3 Select the digital input jack to be assigned to the input source.• To select the input source• To select the digital input jackSelect “OFF” for input sources for which no digital input jacks are used.If “Yes” is selected for “Default”, the settings are automatically reset to the default values.4 Enter the setting.The System Setup Menu reappears.NOTES:• The OPTICAL 5 and 6 jacks on the AVR-5803’s rear panel are equipped with an optical digital output jack for recording digital signals on aDAT deck, MD recorder or other digital recorder. Use this for digital recording between a digital audio source (stereo - 2 channel) and a digitalaudio recorder.• Do not connect the output of the component connected to the OPTICAL 5 OUT jack on the AVR-5803’s rear panel to any jack other than theOPTICAL 5 IN jack.• Do not connect the output of the component connected to the OPTICAL 6 OUT jack on the AVR-5803’s rear panel to any jack other than theOPTICAL 6 IN jack.• “PHONO” and “TUNER” cannot be selected on the Digital In Assignment screen.