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Advanced Setup – Part 2
(5) Set the Parameter “Test Tone” to “Manual” and “Test Tone Start” to “Yes” at “Channel Level” ( page 116 ~ 118).
(6) Once the test tone for Front Left (FL) speaker starts, check the Sound Pressure Level at the Listening Position with an
SPL Meter. You do not have to check any of the other channels.
(7) Adjust the “Main Volume” so that the Sound Pressure Level measures 80 dB (C-weighted).
(8) Once the “Main Volume” as been set, connect the output of microphone amplifier to the RMS Volt Meter.
(9) Adjust the “microphone amplifier’s gain” as the RMS Volt Meter becomes about 120 [mV RMS].
(10) Once set, exit out of “System Setup” and turn off the AVR-4806.
(11) Connect the output of the microphone amplifier to the AVR-4806’s front panel “V.AUX” Left channel audio input–located
behind Trap Door.
(12) Change the setting to “V.AUX L” at “Mic Input Select” ( page 123).
(13) Start “Auto Setup” ( page 19 ~ 25).
Speaker Microphone
Use the internal test tones
for mic amp calibration.
Pressure level with SPL meter at the
microphone point.
Adjust AVR volume SPL meter = 80 dB
(C)
MIC AMP with mic
power supply ex.
mixer amp.
Measure the output level
and adjust the mic amp gain
to 120 mVrms using a RMS
volt meter.
120 mVrms
Check the parameter
1Press the CURSOR DDor HHbutton to select the
“Parameter Check” at the “Auto Setup / Room
EQ” menu, then press the ENTER button.
•Display the “Parameter Check” screen.
•The results of the measured items can be checked.
•The EQ parameters that were set in Auto Setup can be
checked.
•This item is displayed, after the measurement result of the
“Auto Setup / Room EQ” is decided.
2Press the CURSOR DDor HHbutton to select the
items, then press the ENTER button.
•Display the verification screen.
For instructions on checking the results of each item
(page 24).
3Press the CURSOR DDor HHbutton to select the
“EQ Parameter Check”, then press the ENTER
button.
•Display the “EQ Parameter Check” screen.
