AUSTRALIAN MONITOR AM22P Manual de instalação e operação - Página 6
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CONTROLS, CONNECTORS & INDICATORS
TOP PANEL
The switches on the top panel are accessed through a vent opening. Use a small rod through the vents to move the switches to the desired positions.
NOTE: Only make changes to these switches when the unit is powered off.
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Bridge / Stereo
Turn the bridge switch on to enable BRIDGED mode. In this mode your
amplifier will only accept signal applied to channel 1's balanced input. The
level is controlled by the channel 1 level potentiometer and/or VCA attenuator.
The output from channel 2 will automatically be of the opposite polarity
(reversed phase) and speaker termination should be sourced from the 4Ω
output of each channel respectively. (see Speaker Connector Wiring Diagram)
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Limiter Switch
Turn the limiter switch on to engage the clip limiter circuitry. The threshold
level is referenced to the supply rail and the output voltage is sampled allowing
true clip detection and limiting.
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AMP SERIES CONSTANT VOLTAGE INSTALLATION AUDIO POWER AMPLIFIERS INSTALLATION AND OPERATION MANUAL
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VCA Switch
Turn the VCA switch on to engage the voltage controlled attenuation input.
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Signal Ground Lift Switch
When this switch is engaged it disconnects signal ground from the respective
input channel.
It is intended to be used when "hum" is caused by earth loops (due to
different ground potentials between source equipment and the amplifier) or
stray magnetic field pick up on the input ground/shield wiring. (It does not
interrupt signal ground continuity on the strapping connector). The amplifier
should be turned off before engaging this switch!
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