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C-2. The first CHECK MICROPHONES screen will open on the
on-screen display, indicating the importance of proper
microphone placement to achieve accurate automatic
calibration results.
C-2. Press the arrow button to begin the microphone check.
The following screens will appear on the on-screen display as
the microphone check is performed:
CHECKING FOR SILENCE
Appears on the on-screen display
while the MC-12 determines relative
noise level of the listening space
and the internal noise level of
the microphones. After eliminating
microphones that are not detected or not functioning, the
MC-12 calculates an average level for all microphones.
CHECKING MICROPHONES
Appears on the on-screen display
while the MC-12 confirms the
microphone level calculated during
the silence check. To do this, the
SETUP
Lexicon
3-38
Step C: Checking the Microphones
Note the following:
• The MC-12 outputs calibration noise signals between 55 and
95dB, beginning with 55dB and increasing in 5dB increments
until the microphones detect the required level. If the
calibration noise signal becomes too loud, press the arrow
button to cancel the microphone check.
• Although the calibration noise signal is output at a fixed
volume level, it is recommended to set all volume controls for
associated components (i.e. speakers, subwoofers, and power
amplifiers) to a reasonable level before performing automatic
calibration. When the procedure is finished, the MC-12
automatically reverts to the last volume level that was selected
before automatic calibration began.
• During automatic calibration, it is recommended to refer to the
on-screen display rather than the front panel display, as addi-
tional information and instructions are available on the on-
screen display.
C-1. Select the SPEAKER SETUP menu CHECK MICROPHONES
option as shown in the menu illustration above.
CHECK MICROPHONES
CHECKING MICROPHONES
PLEASE WAIT
CHECK MICROPHONES
CHECKING FOR SILENCE
PLEASE WAIT
MAIN MENU
MODE ADJUST
AUDIO CONTROLS
SETUP
SETUP
SPEAKER SETUP
SET CROSSOVERS
CHECK MICROPHONES
AUTOMATIC
MANUAL
SET CROSSOVERS
BEFORE CALIBRATING
SETUP
INPUTS
SPEAKERS
REAR PANEL CONFIG
DISPLAYS
VOLUME CONTROLS
TRIGGERS
LOCK OPTIONS
SPEAKERS
CHECK MICROPHONES
CHECK MICROPHONES
GROUP MICROPHONES
INTO A BUNDLE IN THE
MIDDLE OF THE ROOM
PRESS V TO BEGIN
MIC CHECK