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45. STATUS INDICATORS
These LED’s provide information about the actual operational status
of the MP7’s internal power amplifiers.
POWER ON lights whenever the MP7’s power is set to ON. If, after
switching the MP7 on, the LED does not light, the first thing to do is
to make sure that the mains plug is plugged in correctly. If that is the
case and the LED still stays dimmed, please contact your dealer.
The LIMIT indicator signals that the MP7’s internal power amplifiers
are actually operated at their limits. Frequent blinking of the LED is
acceptable, since the amplifiers’ incorporated limiters prevent the
occurrence of distortion. Continuous lighting indicates that degrada-
tion in the outputted sound is likely to happen. In that case, reducing
the master level is recommended.
The PROTECT indicator lights when one of the power amplifiers’
extensive protection functions - against thermal overload, HF-induc-
tion, DC at the outputs, and SOAR-protection - is activated. When
the MP7 is in protect mode, the speaker outputs are muted and the
inputs of the power amplifier are short-circuited to prevent the
amplifiers from being damaged. In this case you should first check if
the frontal and/or rear ventilation louvers are blocked. Another cause
for the activation of the protect functions might be, that you have
connected more than three 8ohms speaker systems per power
output. Please also disconnect the SPEAKON connectors and check
the speaker cables for short circuit. During the power-on operation,
the PROTECT LED always lights for about two seconds. This is
normal. It indicates that the MP7’s protection circuitry is operational.
46. 7-BAND EQUALIZER
The MP7’s integrated, switchable 7-Band Stereo Graphic Equalizer
is located in the L/R master channel section. The seven frequency
bands - each providing ±10dB amplification/attenuation - offer the
possibility to optimally match the overall sound to the acoustic
conditions of different locations or shape it according to your personal
taste.
MASTER
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