Pioneer VSX-AX5Ai-S - Manual (Page 18)

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How to Interpret the Graphs (Continued)
Case 3: Specific frequency shows unusual reverb characteristics
There is probably something in the room that affects the reproduction of that frequency. There may be a
standing wave. If possible, try to find an arrangement that reduces the effect.
Case 4: A specific channel is slow to start
This can happen when a speaker is unstable. If possible, we recommend that you try to stabilize the
speaker stand, to bring the characteristics of that channel into line with the other channels.
Note
In all of these cases, you can use “Auto Pro.” of “Acoustic Cal EQ Professional.” to automatically achieve
the optimal calibration for the characteristics of your listening area.
(See page 92 of the receiver’s Operating Instructions.)