Lexicon manual Configuring the MC-12 for V4 EQ

Version 4 EQ User Guide				Configuring the MC-12 for V4 EQ
DISTANCES and OUTPUT LEVELS Results
	Result	Description		Troubleshooting
		The MC-12 calibrated the distance or output	N/A
	(SPEAKER)
		level of the selected loudspeaker without error.
	OK
		The selected loudspeaker is not present in the	•	Use the CUSTOM or THX SETUP menu to add the selected loudspeaker to the loudspeaker
	(SPEAKER)
		loudspeaker setup according to the CUSTOM		setup. (The MC-12 does not calibrate for loudspeakers that are not present in the loudspeaker
	IS NOT ENABLED
		or THX SETUP menu.		setup.)
		The calibrated distance is accurate, but the	•	Examine connections between the loudspeaker and the associated amplifier to ensure that
	(SPEAKER)
		microphones detected out-of-phase calibration		loudspeaker wires are not crossed. If the wiring is correct, the error message can be ignored.
	OUT OF PHASE
		noise signals.		(Some loudspeaker models will report a phase error even if no phase error exists.)
			•	Dipolar loudspeakers may produce this error. However, the MC-12 does not report the error
				unless at least half of the microphones detect out-of-phase calibration noise signals.
		The microphones detected calibration noise	•	The microphones may be positioned too far from the selected loudspeaker or in a location
	(SPEAKER)
		signals at unusually low levels.		where echoes obscure calibration noise signals. Refer to Repositioning the Microphones for
	SIGNAL TOO LOW
				Automatic Calibration (page 2-10) to ensure that the microphones are properly positioned
				for automatic calibration.
			•	Examine microphone input connections to ensure that the microphones are properly connected
				to the MC-12. Make sure microphone cable plugs are fully inserted for solid connections.
		The microphones did not detect calibration	•	Refer to Repositioning the Microphones for Automatic Calibration (page 2-10) to
	(SPEAKER)
	UNABLE TO CALCULATE	noise signals, so the MC-12 could not calibrate		ensure that the microphones are properly positioned for automatic calibration.
		the distance of the selected loudspeaker.	•	Examine microphone input connections to ensure that the microphones are properly connected
				to the MC-12. Make sure microphone cable plugs are fully inserted for solid connections.
		At least one of the microphones did not detect	•	Refer to Repositioning the Microphones for Automatic Calibration (page 2-10) to
	(SPEAKER)
	MAY NOT BE ACCURATE	calibration noise signals at reasonable levels. As		ensure that the microphones are properly positioned for automatic calibration.
		a result, the distance calibrated for the selected
		loudspeaker may not be accurate.
		The microphones detected calibration noise	•	Decrease associated amplifier volume levels, including built-in subwoofer amplifiers.
	(SPEAKER)
		signals at unusually high levels.	•	The microphones may be positioned too close to the selected loudspeaker. Refer to
	SPKR OUTPUT TOO HIGH
				Repositioning the Microphones for Automatic Calibration (page 2-10) to ensure that
				the microphones are properly positioned for automatic calibration.
		The microphones detected calibration noise	•	Increase associated amplifier volume levels, including built-in subwoofer amplifiers.
	(SPEAKER)
		signals at unusually low levels.	•	The microphones may be positioned too far from the selected loudspeaker or in a location where
	SPKR OUTPUT TOO LOW
				echoes obscure calibration noise signals. Refer to Repositioning the Microphones for
				Automatic Calibration (page 2-10) to ensure that the microphones are properly positioned
				for automatic calibration.

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