Important Precautions - crest performance CPX 3800 Owner's Manual

1
Save the carton and packing materi-
als! Should you ever need to ship the
unit, use only the original factory pack-
ing.
For replacement packaging, call Crest
Performance's Customer
Department directly.
2
Read all documentation before
operating your equipment. Retain all
documentation for future reference.
3
Follow all instructions printed on
unit chassis for proper operation.
4
Never hold a power switch or cir-
cuit breaker in the "ON" position
if it won't stay there by itself!
5
Do not use the unit if the electrical
power cord is frayed or broken.
The power supply cords should be
routed so that they are not likely to be
walked on or pinched by items placed
upon or against them.
6
Always operate the unit with the
AC ground wire connected to the
electrical system ground. Precautions
should be taken so that the means of
grounding of a piece of equipment is not
defeated.
7
Damage caused by connection to
improper AC voltage is not cov-
ered by any warranty. Mains voltage
must be correct and the same as that
printed on the rear of the unit.
8
Do not ground any hot
Never connect a hot
ground or to another hot
9
Power down and disconnect units
from mains voltage before making
connections.
0
Do not drive the inputs with a
signal level greater than that
required to enable equipment to
reach full output.
¡
Do not run the output of any ampli-
fier channel back into another
channel's input.
Do not parallel- or series-con-
nect an amplifier output with any
Service other amplifier output.
Crest Performance is not responsible for
damage to loudspeakers for any reason.
Ô
Do not connect the inputs or
outputs of amplifiers to any
other voltage source, such as a
battery, mains source or power supply,
regardless of whether the amplifier is
turned on or off.
£
Connecting amplifier outputs to
oscilloscopes or other test equip-
ment while the amplifier is in bridged
mono mode may damage both the
amplifier and test equipment!
¢
Do not spill water or other liquids
into or on the unit, or operate the
unit while standing in liquid.
ˆ
Do not block fan intake or exhaust
ports.
Do not operate equipment on
a surface or in an environment
which may impede the nor-
mal flow of air around the unit,
such as a bed, rug, weathersheet, carpet
or completely enclosed rack.
§
If the unit is used in an extremely
dusty or smoky environment the
unit should be periodically blown free
red terminal.
( )
of foreign matter.
output to
red
( )
¶
red output!
( )
Do not use the unit near stoves,
heat registers, radiators or other
heat-producing devices.
ƒ
The equipment power cord should
be unplugged from the outlet when
left unused for a long period of
time.

important precautions

The power supply cord or the plug has
A.
The equipment has been exposed to rain.
B.
The equipment does not appear to oper-
C.
The equipment has been dropped or the
D.
To obtain service:
Service Information
Do not remove the cover!
Removing the cover will expose you to
potentially dangerous voltages. There are
no user-serviceable parts inside.
Equipment should be serviced by
qualified service personnel when:
been damaged.
ate normally or exhibits a marked change
in performance.
enclosure damaged.
contact your nearest Crest
Performance Service Center,
Distributor, Dealer or Crest
Performance at 601.486.2000
or visit www.crest-performance.com
for additional information, email
techserve crestaudio.com
@
This symbol is used to alert
the operator to follow important
procedures and precautions
detailed in documentation.
This symbol is used to warn opera-
tors that uninsulated "dangerous
voltages" are present within the
equipment enclosure that may
pose a risk of electric shock.
USA