Pioneer VSX-919AH-K manual Professional Calibration EQ graphical output

Additional information 12

Symptom	Remedy
After using the Auto MCACC	• There may have been some low frequency noise in the room from an air-
Setup, the speaker size	conditioner, motor, etc. Switch off all other appliances in the room and use
setting is incorrect.	Auto MCACC Setup again.
	• Depending on a number of factors (room size, speaker placement, etc.) this
	may occur in some cases. Change the speaker setting manually in Speaker
	Setting on page 95, and use the ALL (Keep SP System) option for the Auto
	MCACC menu in Automatic MCACC (Expert) on page 78 if this is a recurring
	problem.
Can’t adjust the Fine Speaker	• Check that the speakers are all in phase (make sure the positive (+) and
Distance setting (page 83)	negative (–) terminals are matched up properly).
properly.
The display shows KEY LOCK	• With the receiver in standby, press  STANDBY/ON while holding down
ON when you try to make	SPEAKERS to disable the key lock.
settings.
Most recent settings have	• The power cord was disconnected from the wall while adjusting this setting.
been erased.

Professional Calibration EQ graphical output

Symptom	Remedy
The EQ response displayed in	• There are cases where the graph does not appear flat (even when selecting
the graphical output	ALL CH ADJ in the Auto MCACC Setup) due to adjustments made to
following calibration does not	compensate for room characteristics to achieve optimal sound.
appear entirely flat.	• Areas of the graph may appear identical (before and after) when there is little
	or no adjustment needed.
	• The graph may appear to have shifted vertically when comparing before and
	after measurements.
EQ adjustments made using	• Despite level adjustments being made, the filters used for analysis may not
the Manual MCACC setup on	display these adjustments in the graphical output. However, these adjustments
page 82 do not appear to	are taken this into account by the filters dedicated to overall system calibration.
change the graphical output.
Lower frequency response	• Low frequencies used in bass management (the subwoofer channel) will not
curves do not seem to have	change for speakers that have been specified as SMALL in the configuration,
been calibrated for SMALL	or do not output these frequencies.
speakers.	• Calibration is performed, but due to your speakers’ low frequency limitations,
	no measurable sound is output for display.

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