xi
XL8 Control Centre
Quick Reference Guide
Precautions
Before installing, setting up or operating this equipment, make sure that you have read
and fully understand all of this section and the “IMPORTANT SAFETY INSTRUCTIONS” at
the front of this guide.
This equipment is supplied by a mains voltage that can cause electric shock injury!
The following must be observed in order to maintain safety and electromagnetic compatibility (EMC)
performance.
Safety warnings
This equipment is fitted with two
PowerCon® mains power sockets. For
safety reasons the earth leads must not be
disconnected.
Signal 0V is connected internally to the
chassis.
To completely disconnect this equipment
from the AC mains, while observing full
safety precautions (see “Power” on
page xi), switch off the five bay isolator
switches (rear of control centre) one at a
time and then switch off the mains at the
two mains outlets that supply the
PowerCon® sockets. It is now safe to
isolate the control centre by removing the
two PowerCon® mains leads from rear of
control centre.
To avoid electric shock, do not remove
covers.
General precautions
In the event of ground loop problems,
disconnect the signal screen at one end of the
connecting cables. Note that this can only be
done when the equipment is used within a
balanced system.
Do not remove, hide or deface any warnings or
cautions.
Power
The system power supplies contain LETHAL
VOLTAGES greatly in excess of the mains
voltage and that its rails can produce extremely
large currents that could burn out equipment
and wiring if shorted.
The internal power supplies are of the switch
mode type that automatically sense the
incoming mains voltage and will work where the
nominal voltage is in the range 100VAC to
240VAC.
Each mains inlet is to be sourced from its own
separate wall-mounted mains outlet socket.
Otherwise, their mains sources must be suitably
distributed so as to meet local safety
regulations.
Two PowerCon® mains inlets are provided on
the rear panel. The correct leads for connection
in the area to which the unit was shipped are
supplied with the unit. The equipment should
only be plugged into the mains outlets using the
supplied leads.
When removing the equipment’s electric plugs
from the outlets, always hold the plug itself and
not the cable. Pulling out the plug by the cable
can damage it.
Never insert or remove an electric plug with wet
hands.
Do not insert or remove a PowerCon® connector
into/from the rear of control centre with mains
power and/or any of the bay isolator switches
on. You must make sure all bay isolator
switches are off and mains is switched off at the
power outlet(s) first.
When switching the five bay isolator switches
on/off, make sure it is done one at a time. It is
important that you don’t switch on/off two or
more simultaneously.
Before switching the XL8 on/off, please make
sure that all monitor loudspeaker power
amplifiers are turned off or muted.
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