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OPERATING VOLTAGE RANGE
It is very important to use the correct mains voltage selection. A wide operating range
of mains voltages is provided to enable the unit to function down to only 85Vrms on
the mains supply. This facility is incorporated to overcome the problems that some
power supplies have with internal regulation when operating from a poorly regulated
mains supply.
Do not operate the PSU with a consistently high (above
nominal) reading on the mains meter. Operation with
the mains higher than +10% may cause serious
damage
The mains meter is essentially a peak-reading device, as it is the peak value of the
mains waveform which is the most important factor in providing the correct mains
voltage to the power supply. For this reason, and because with long power cables it
is common for the mains waveform to become distorted, the indication of the meter
may not agree with readings taken with the usual types of quasi-RMS reading
testmeter.
Note that the meter measures the voltage actually available at the PSU, and therefore
will indicate any voltage drop on mains supply wiring.
REPLACING MAINS FUSE.
In the event of incorrect switching of the mains voltage selectors, a mains power surge
or underrated fuse value, the mains fuse in the front panel will blow and the CPS2000
will not function. Switch the ON/OFF switch to the OFF position. Check the fuse
and replace if necessary; also check that the voltage selection is correct for the mains
supply level before switching the unit ON again.
To avoid risk of fire replace only with the correct value
fuse, as indicated on the unit.
In the event of repeated failure of the mains fuse consult the Soundcraft dealer from
where the unit was purchased.
This unit contains no user serviceable parts. Refer all
servicing to a qualified service engineer, through the
appropriate Soundcraft dealer.
Introduction 5