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38. STATUS INDICATOR
These indicators are to inform you about the momentary
operational status of the PowerMate’s internal power
amplifi er.
The PROTECT indicator lights when one of the power
amplifi er’s extensive protection functions – against
thermal overload, HF-induction, DC at the outputs, and
SOAR-protection – is activated. When the PowerMate
is in protect mode, the speaker outputs are muted and
the inputs of the power amplifi er are short-circuited to
prevent the amplifi er from being damaged. In this case
you should fi rst check if the frontal and/or rear ventila-
tion louvres are blocked. Another cause could 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 circuits.During the power-on operation, the PRO-
TECT LED always lights for about two seconds. This
is normal. It indicates that the PowerMate’s protection
circuitry is operational.
The LIMIT indicator signals that your operating the
PowerMate at the internal amplifi er’s limit. Frequent
blinking of the LED is acceptable, since the amplifi er’s
incorporated limiter prevents the occurrence of distorti-
on. Continuous lighting indicates that a degradation in
the outputted sound is likely to happen. In that case, the
master level should be reduced.
The POWER ON indicator is always lit when the
PowerMate is in operational mode - i. e. it is switched
on. If, after switching on the power, the LED is not lit,
please make sure that the PowerMate’s mains cord is
plugged in correctly. If this is the case and the LED is
still not lit, please contact your dealer.
39. 7-BAND STEREO GRAPHIC EQUALIZER
The PM600’s integrated 7-band stereo graphic equalizer
is located in the L/R master channel section. The seven
frequency bands - each providing ±10dB amplifi cation/
attenuation - offer the possibility to optimally match the
overall sound to the acoustic conditions of different loca-
tions or shape it according to your personal taste.
-20
+20
-15
-10
-5
+0
+5
+10
+15
20 20k50 100 200 500 1k 2k 5k 10k
Hz
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