Rack Mounting Ears - Crest Audio CKd 604 Owner's Manual

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This section identifies and labels all the switches, indicators, connectors and
functional components with which a CKd owner should become familiarized.
Getting to know the items in this section and their locations on the CKd will
make the manual much clearer. Keep in mind that this only as an overview of
the amplifier's layout, and does not contain all the information necessary to
effectively operate the CKd Amplifier. For more detailed information on many
of the items listed here, see Amplifier Operation.

1. Rack Mounting Ears

Two mounting holes are provided on each front mounting ear.
2. PS LED (Power Supply)
The PS LED, when fully lit, indicates that power supply is active.
When the PS LED is blinking fast, it indicates an Amplifier Level
Fault. Amplifier Level Faults include: AC Voltage Faults, Low Voltage
DC Rail Faults, Fan Faults. When the PS LED is blinking slowly, it
indicates a Power Supply Level Fault. Power Supply Level Faults
include; High Voltage Rails Fault, Bias Voltage Rail Fault, Breaker
Tripped, and DC Fault. For more details regarding LED Fault
identification, please see appendix.
3. LED (AC Voltage present)
The AC Voltage Present LED, when fully lit, indicates that the unit has
incoming AC voltage.
4. Channel Active LED
The channel 'Active' LED notes the channel's Active status. For
channels to be Active, the unit must be set "On" or "Remote" by the
front panel switch or through software control and the corresponding
power supply must be Active. Individual channels can be set Active
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The three-position
Power Switch never
disconnects the AC
mains. Hazardous
energy may be present
in the enclosure when
the power switch is in
any position.
Make certain that there
is enough space around
the front and rear of the
amplifier to allow the
heated air to escape.
Suggestion: In racks with
closed backs allow at
least one standard-rack-
space opening for every
four amps.
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