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3-42
CHECKING THE MICROPHONES (continued)
POSITIONING THE MICROPHONES FOR AUTOMATIC CALIBRATION
Proper microphone placement is essential to achieving the desired
automatic calibration results. Microphone placement determines
whether the RV-8 calibrates optimal speaker distances and output
levels for a single listening position, several listening positions in a
single row, or several listening positions in the listening space.
• Refer to the microphone placement examples that begin on the
next page to position the microphones for automatic
calibration. Select the microphone placement that best meets
the needs of the listening space.
Message Description Troubleshooting
The microphone detected the calibration
noise signal without error.
•N/A
The RV-8 did not detect the microphone
during the silence check.
• Examine microphone input connections to ensure that the microphones are properly con-
nected to the RV-8 and that microphone cable plugs are fully inserted for a solid connection.
• The microphone may be damaged. Contact an authorized Lexicon dealer for assistance.
The RV-8 detected the microphone dur-
ing the silence check. However, the
microphone level determined during the
silence check was not confirmed during
the microphone check.
• Examine microphone input connections to ensure that the microphones are properly con-
nected to the RV-8 and that microphone cable plugs are fully inserted for a solid connection.
• The microphones may be positioned too far from the front speakers. Refer to the microphone
placement examples that begin on page 3-38 to confirm that the microphones are appropri-
ately positioned for the microphone check.
• The microphone may be damaged. Contact an authorized Lexicon dealer for assistance.
The microphone level is more than 20dB
below the highest microphone level.
• Examine microphone input connections to ensure that the microphones are properly con-
nected to the RV-8 and that microphone cable plugs are fully inserted for a solid connection.
• The microphones might be positioned too far from the front speakers. Refer to the micro-
phone placement examples that begin on page 3-38 to confirm that the microphones are
appropriately positioned for the microphone check.
• The microphone may be damaged. Contact an authorized Lexicon dealer for assistance.
The microphone level could not be
determined because of excessive room
noise in the listening space.
• Eliminate extraneous noises in the listening space, including conversations, air conditioners
and sounds that filter in through open doors and windows.
• The microphone may be damaged. Contact an authorized Lexicon dealer for assistance.
(MICROPHONE)
OK
(MICROPHONE)
NOT DETECTED
(MICROPHONE)
SIGNAL TOO LOW
(MICROPHONE)
OUT OF RANGE
(MICROPHONE)
TOO MUCH ROOM NOISE