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INSTALLATION – SETUP AND OPTIONS
INPUT SELECTION
CAUTION:
Only change switch positions when the amplifier is turned off.
Each channel is capable of delivering the source from many inputs. The three main inputs are BUS 1, BUS 2 and LINE IN. The
selection for these inputs is done via the Input Selection switch associated with each channel. Select the desired source input. Set
the Input Selection switch to BUS 1 (will play source connected to the BUS 1 input), BUS 2 (will play source connected to the BUS
2 input) or LINE IN (will play source connected to that channel's LINE IN).
CONTROL OUTPUT
The 1/8" (tip positive) 12 volt DC output jack can be used to turn on most components
equipped with a 12 volt DC input trigger. Voltage is delivered to the output jack when
the amplifier is "active", or on. When the amplifier turns off, the voltage will drop to zero.
Remember there is a delay of approximately fifteen minutes before the amplifier goes to
standby when using the Auto turn-on mode. Before connecting another device to the 12
volt output, please make sure that the item's trigger input is compatible with 12 volt DC and
that it draws no more than 500mA.
POWER CONNECTION
Plug the power cord supplied with the amplifier into the amplifier and a 120V 60 Hz
polarized wall outlet or appropriate surge protector.
CAUTION:
DO NOT plug the amplifier's power cord into a switched outlet, such as what is
provided on some Surround Receivers. If you wish to have the amplifier turn on Receiver
is powered up, use one of the power modes, such as Trigger or Audio.
BRIDGING CHANNELS
There are situations when you may wish to combine two channels into one through a
process known as bridging. The output of the two combined channels can then be used to
power one speaker. To bridge two adjacent channels, first make sure that the amplifier is
powered down and then move the bridging switch to the "BR" position. The speaker must
be connected to the positive (+) position of each of the removable terminals immediately
under the "BRIDGED" text as indicated in the illustration to the right. All input selection
and volume settings for bridged channels will be controlled by the LEFT channel. DO NOT
connect more than one speaker to the outputs of the bridged channel.
OPERATION
POWER SWITCH/ LED
The power switch on the front panel of the amplifier will turn off the amplifier no matter which power mode has been selected. When
the amplifier is on, the POWER LED will be blue. Refer to the "Power Mode" section for further information.
ZONE LED INDICATORS
When lit, the LED section on the front panel indicates that the amplifier is operating. Each Zone (a pair of channels) has one
bi-color LED assigned to it. Operation is normal when the LED is blue. A red LED indicates a short in one of the speaker wires
connected for that zone or a thermal issue that has the amplifier in a temperature range that is too high. When power is on and the
LED is not lit, this indicates the zone is not operating.
LEVEL ADJUSTMENT
The level adjustments on the back panel of the amplifier can be used to easily adjust the level of each channel. One great use for
this feature is to limit the volume level in an area, such as a child's room or guest area. It is not recommended to set the output to
have clipping or distortion when the volume is at the maximum level.
Switch shown in Bridged Mode
(+)
(-)
Wires from Speaker
Observe correct connection and
polarity when bridging channels.
7
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