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GENERAL SET-UP INSTRUCTIONS
ALPHA SERIES USER MANUAL V1.0
DATE: 14/01/00 18:27
Initial Set-up Precautions
When running up a system particularly one which includes brand new cabinets for the first time the
power should be increased slowly to approximately 50% and the system operated at this level for
two hours. During the following two hours of operation the power level should be limited to
approximately 75%. This procedure allows the adhesives and suspensions within the loudspeaker
components to stabilise and will extend their working life.
In all cases, it is advisable to connect the loudspeakers only after all the other components have
been wired and are operating correctly. This is particularly important for the amplifiers and the
TDcontroller. It is a good practice to turn down all the amplifier gains before connecting the
cabinets and then turn them up again individually with a medium level music source fed into the
system. The sense LEDs of the corresponding TDcontroller channel should light up accordingly.
This will help to locate cabling errors, particularly channel line inversions, which would disable the
TDcontroller protections and may invalidate the warranty.
IMPORTANT
If more than one amplifier is being driven from an output of the NX241 controller only those
amplifiers which are not connected
to sense inputs may be attenuated. If the sensed amplifier is
attenuated and the slave amplifiers are not severe system damage will result!
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