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8
Installation
External attenuator
This input can be used to reduce the maximum sound pressure level with an external
potentiometer. The maximum sound pressure level can be reduced by connecting a linear
10kOhm potentiometer between pin1 and pin 14.
This can be useful to reduce the sound pressure level from behind the bar. It is also
possible to automatically reduce the sound pressure level, for instance when in the summer
some doors are opened.
Reduction signalling
An indicator to show that the limiter has reduced the sound pressure level can be
connected to this output. This output has the same function as the reduction LED on the
front of the limiter (Audio reduction).
Overload signalling
This output indicates an overload somewhere in the limiter. This can be the measuring
microphone or the audio input. This output has the same function as the overload LED on
the front.
Live OK signalling
This output is active as long as the limiter is not in sanction mode. A solid-state relay, to
turn off the power supply of the live band, can be connected to this output. If the maximum
sound pressure level is exceeded by a band, the limiter will go into sanction mode and cut
off the power supply automatically. After a pre-set duration the sanction will be dissolved.
Warning signalling
Level OK
Safe sound pressure
These outputs give an impression of the actual sound pressure level with respect to the
maximum allowed level:
The warning signalling output becomes active, as soon as the maximum sound pressure
level is exceeded.
Level OK indicates that the sound pressure level is below the maximum allowed level,
but is getting close (0...12dB span).
Safe sound pressure indicates that the sound pressure level is well below the maximum
allowed limit (12dB or more).
These indicators can be placed near the disc-jockey, or the live band, to give them an
impression of the sound pressure level.
External VU unit
This is the data connection with the optional VU-display.
All manuals and user guides at all-guides.com
DATEQ SPL5 Manual
EN
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