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Quick
Start
Guide
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Step 2: Controls
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RACK EARS secure the unit into a rack
using four attaching screws and washers
(fasteners not included). Requires two
rack units.
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VENTILATION openings allow back-to-front
air circulation to prevent overheating.
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SIGNAL, LIMIT and PROTECT LEDs display
the signal level and system status for
each channel. The SIGNAL LEOs light to show
the input signal level. The LIMIT LED lights
when the input signal exceeds an optimum
level and activates the internal limiter.
Reduce the input gain if the red LIMIT
LED lights up continuously. The PROTECT
LED shows when an operation error has
occurred (over current, over temperature,
and so on). When an operation error occurs,
the PROTECT LED will light and the unit will
automatically mute the channel until the
error is no longer detected, after which the
PROTECT LED will switch off and the amp will
behave normally.
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POWER LED lights up to indicate the unit is
powered on.
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INPUT CONTROLS adjust the input level.
To increase signal gain, rotate the knobs
clockwise; to reduce the gain, rotate the
knobs counter-clockwise.
CD
POWER button turns the amplifier on and off.
0
POWER SOURCE jack accepts the included IEC
power cable.
W
OUTPUTS connect the amplifier to the
speakers using professional speaker cables
with twist-locking plugs.
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PIN OUT MATRIX lists the output pin/channel
configurations available in each speaker
output jack.
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VENTILATION FAN speed adjusts
automatically to ensure trouble-
free operation.
GD
MODE SWITCH Choose the amplifier mode by
toggling the sliding MODE SWITCH between
the MONO, STEREO, and BRIDGE positions
(NX6000: no BRIDGE mode.)
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CROSSOVER switch chooses between
three modes: FULLRANGE, LF (low frequency
crossover) and HF (high frequency crossover).
In LF mode, the unit amplifies only the
low frequencies of the signal. In HF mode,
the unit only amplifies the high frequencies.
LF and HF modes are typically used in
bi-amping applications.
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INPUTS Route line-level input signals into
these combination jacks using XLR,
balanced W' TRS, or unbalanced
W'
TS connectors.
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BREAKER (automated fuse, NX6000 and
NX4-6000 only). After eliminating the cause of
faulty operation, simply depress the BREAKER
and power up the unit again. The BREAKER
acts in place of common discardable fuses.
BREAKER WARNING: Take the following actions
BEFORE resetting the breaker:
• Unplug the AC main cable
• Press the POWER button to the extended
"OFF" position
Turn all input gain control elements down
And then, reset the breaker, connect the unit to
the mains, switch ON and slowly increase the gain
to the target volume
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