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MC-12 Setup
3-45
During the automatic calibration, do not:
7 Arrange the microphones along the perimeter of
the listening positions or space
7 Position the microphones in spots where the
listeners’ heads will not be during listening
7 Obstruct the line-of-sight path between the
microphones and the speakers
7 Position the microphones on the floor, on seat
cushions, or in locations obstructed by furniture
and other fixtures, where echoes might obscure
calibration noise signals
7 Position the microphones within 2 feet (0.61m) of
speakers and walls or more than 30 feet (9.14m)
from any one speaker.
The illustration to the right provides an example of
improper microphone placement during the micro-
phone check. The microphones are positioned on the
floor along the perimeter of the listening space,
making it difficult for the MC-12 to calibrate optimal
speaker distances and output levels for the actual
listening positions.
IMPROPER microphone positioning for automatic calibration
Front
Left
Center
Subwoofer
Front
Right
Microphone
Side
Right
Rear
Right
Rear
Left
Side
Left