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Connection
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Considerations
The CP-3 is a highly specialized signal processing computer and requires
special care during installation to ensure optimum performance.
The CP-3 may be installed on a shelf or in a standard 19" equipment rack,
using rack-mounting hardware available from Lexicon. Observe the fol-
lowing precautions:
• Select a dry, well-ventilated location out of direct sunlight.
• Do not stack the CP-3 directly above heat-producing equipment such as
power amplifiers.
• Avoid placing the CP-3 near unshielded TV or FM antennas, cable TV
decoders, or other receivers. The CP-3 may interfere with some FM
tuners if it is placed immediately above or below them. Some products,
particularly power amplifiers, may cause hum in the CP-3 if they are in
close proximity.
• Make sure the IR receiver window (located above the On/Off switch on
the CP-3 front panel) is unobstructed. The remote control must be in line-
of-sight to this receiver for proper operation. If line-of-sight is impracti-
cal, an infrared remote repeater can be used. Place the sender/emitter so
that it has an unobstructed path to the CP-3’s IR receiver window. The
CP-3 may be placed in a glass-doored cabinet but smoked glass will
make the front panel Liquid Crystal Display (LCD) difficult to read and
will reduce the sensitivity of the IR receiver.
• Do not mount the CP-3 into walls or ceiling.
The CP-3 is designed to be connected to an uninterrupted AC power line in
the same manner as a VCR or aTV with a clock in it. Like all computers, the
CP-3 is sensitive to voltage fluctuations. We therefore recommend the use
of an AC line filter to protect against line surges, or the installation of a line
conditioner to protect against under voltage (brownouts) as well as over-
voltage conditions. A lithium battery prevents loss of information stored in
the CP-3 in the event of power loss. This battery should not need replace-
ment for 5-7 years. As it is not user-replaceable, please contact Lexicon or
your local dealer for service.
The CP-3 has a master power switch on the rear panel above the IEC
standard AC power receptacle. This switch may be left ON continuously
when the unit is in regular use. When the CP-3 will not be used for an
extended period of time, or whenever you are connecting or disconnecting
any cables to the unit, this switch should be turned OFF.
Connect the power cable to the CP-3, then plug the power cord into a wall
outlet or into an unswitched outlet on the back of your preamplifier. Be sure
that the power cord is firmly seated in the connector on the rear panel of the
CP-3.
AC Connections