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Rear Panel
Rear Panel Features
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AC section
When rack-mounting the unit,
make sure that the power cord
and the AC power switch remain
readily accessible.
1 . AC Input – Connect the supplied AC
power cord securely to this input. Plug
the other end into an AC mains outlet
of the correct voltage rating for your
unit. They are either 100 -120 VAC (50
– 60 Hz) or 220 – 240 VAC (50 – 60 Hz);
look at the check box to see how your
unit has been configured. The voltage
setting is not user-settable. This unit
is a class 1 device, do not defeat the
safety ground connection or use a
power cord that does not have the
safety ground pin.
2 . AC Fuse – The main power supply fuse
may be checked or replaced. Make
sure that the power cord is unplugged
from the AC mains first. Then use a
flat-headed screwdriver to undo the
fuse carrier from the fuse holder.
Inspect the fuse and replace with the
exact same type indicated on the unit.
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Model D2800
8 Channel DSP Amplifier
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The use of any other type of fuse may
lead to an unsafe condition. If the fuse
blows again immediately, then unplug
the power cord and contact our fine
folks in customer service. Do not open
the unit, as there are no user-ser-
viceable parts inside, and dangerous
voltages exist.
3 . AC Power Switch – This switch shuts
off the main AC power. Normally the
only time you need to turn this off is
if the system is going to be shut down
for an extended period of time. Use
the Ethernet or master trigger inputs
to switch the unit between standby
and on.
Also turn the power switch off during
lightning storms, wind storms with
frequent power outages, or when a
giant asteroid is heading to the power
station again.
4 . Ground Isolation Switch – This switch
selects the level of isolation between
the audio signal ground and the AC
earth ground. In normal operation this
switch should be in the GND Ground
position. If there is trouble with an AC
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