3-27
The SETUP Menu
MC-12/MC-12 Balanced
As the INTERNAL NOISE TEST is conducted, a noise signal will
move from output to output following the order on the SPEAKER
LEVEL ADJUST menu. The cursor will automatically scroll through
the menu highlighting each output as it is tested. Each output is
tested for approximately 4s.
Before making adjustments, set the SPL meter to “C” weighting
and “SLOW” response. Use the up and down MENU arrows to
temporarily interrupt automatic scrolling and manually select an
output. Press the right MENU arrow to select an output for
adjustment, then use the up and down MENU arrows to increase
and decrease the level of the selected output in 0.5dB increments
within a range of -18 to +12dB. Adjust all output levels to achieve
a 75dB reading on the SPL meter from the primary listening
position. Press the left MENU arrow to exit the selected output and
resume automatic scrolling.
EXTERNAL NOISE TEST
Selecting either INTERNAL NOISE TEST or EXTERNAL NOISE TEST
accesses the SPEAKER LEVEL ADJUST menu (pictured on the
previous page).
The EXTERNAL NOISE TEST requires a noise signal source, such as
an audio calibration disc. As the EXTERNAL NOISE TEST is
conducted, the unit loads the DOLBY PRO LOGIC II, DOLBY
DIGITAL, or dts(-ES) listening mode utilizing the signal from the
audio calibration disc.
For example, if a PCM input type is coming into the unit when the
EXTERNAL NOISE TEST is conducted, the unit will activate the
DOLBY PRO LOGIC II listening mode. If a Dolby Digital input type
is coming in, the unit will activate the DOLBY DIGITAL listening
mode. And if a dts(-ES) input type is coming in, the unit will acti-
vate the dts(-ES) listening mode. During the EXTERNAL NOISE
TEST, these listening modes will retain their factory-default settings.
The unit will temporarily disregard customized listening mode
settings.
Before making adjustments, set the SPL meter according to the
audio calibration disc instructions. If no setting is recommended,
set the SPL meter to “C” weighting and “SLOW” response. Use the
up and down MENU arrows to manually scroll through menu
items. Press the right MENU arrow to select an output for adjust-
ment, then use the up and down MENU arrows to increase and
decrease the level of the selected output in 0.5dB increments with-
in a range of -18 to +12dB. Adjust all output levels to achieve the
appropriate reading on the SPL meter from the primary listening
position. Refer to the disc calibration instructions to determine the
appropriate reading. Press the left MENU arrow to exit the select-
ed output and return to the SPEAKER LEVEL ADJUST menu.
Note:
MC-12 Balanced output levels must be recalibrated
when output connections are changed from
unbalanced to balanced or vice versa. The balanced
outputs are approximately 6dB louder than the
unbalanced outputs.
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