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SETUP
MC-12
3-47
STEP DISTANCES LEVELSDISTANCES & LEVELS
The SETTING DISTANCES screen shown above will open on the on-screen display while the MC-12
calibrates speaker distances.
• During speaker distance calibration, the MC-12 sends calibration noise signals to the Main Zone
audio output connectors in the order shown on the SETTING DISTANCES screen. The cursor
automatically scrolls downward through speaker calibration parameters, highlighting each
parameter while the MC-12 calculates a distance for the corresponding speaker. When finished, the
MC-12 enters the calibrated value or an ERROR message to the right of the parameter label.
• Because of the way low-frequency signals propagate in most listening spaces, automatic speaker
distance calibration often produces unreliable results for subwoofers and LFE subwoofers. For this
reason the MC-12 does not send calibration noise signals to the Subwoofer L/R and LFE output
connectors during speaker distance calibration. Instead, the MC-12 automatically calibrates
subwoofer and LFE subwoofer distances to the shortest distance of the other speakers. These
distances can be manually adjusted on the SPEAKER DISTANCES menu (page 3-52).
This step does not occur when the AUTO
SPEAKER SETUP menu DISTANCES option is
selected.
This step does not occur when the AUTO
SPEAKER SETUP menu LEVELS option is selected.
The SETTING LEVELS screen shown above will open on the on-screen display while the MC-12
calibrates output levels.
• The MC-12 sends calibration noise signals to the Main Zone audio output connectors in the order
shown on the SETTING LEVELS screen. The cursor automatically scrolls downward through speaker
calibration parameters, highlighting each parameter while the MC-12 calculates an output level for
the corresponding speaker. When finished, the MC-12 enters the calibrated value or an ERROR
message to the right of the parameter label.
E-3
E-4
SETTING DISTANCES
FRONT LEFT 0.0ft
CENTER 0.0ft
FRONT RIGHT 0.0ft
SIDE RIGHT 0.0ft
REAR RIGHT 0.0ft
REAR LEFT 0.0ft
SIDE LEFT 0.0ft
MONO SUB 0.0ft
SUB RIGHT N/A
LFE N/A
SETTING DISTANCES
FRONT LEFT 12.0ft
CENTER 10.5ft
FRONT RIGHT 12.0ft
SIDE RIGHT 4.5ft
REAR RIGHT ERROR
REAR LEFT 6.0ft
SIDE LEFT 4.5ft
MONO SUB N/A
SUB RIGHT N/A
LFE N/A
SETTING LEVELS
FRONT LEFT +0.0dB
CENTER +0.0dB
FRONT RIGHT +0.0dB
SIDE RIGHT +0.0dB
REAR RIGHT +0.0dB
REAR LEFT +0.0dB
SIDE LEFT +0.0dB
MONO SUB +0.0dB
SUB RIGHT N/A
LFE N/A
SETTING LEVELS
FRONT LEFT -2.0dB
CENTER ERROR
FRONT RIGHT -2.0dB
SIDE RIGHT -4.5dB
REAR RIGHT -3.0dB
REAR LEFT -3.0dB
SIDE LEFT -4.5dB
MONO SUB N/A
SUB RIGHT N/A
LFE N/A
. . . Step E: Performing Automatic Calibration continues on page 3-48