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18 INSTALLATION AND CONNECTIONS
System and Power Connections
The AVR 4500 is designed for flexible use with
multiroom systems, external control components
and power amplifiers.
Main Room Remote Control Extension
If the receiver is placed behind a solid or smoked
glass cabinet door,the obstruction may prevent
the remote sensor from receiving commands. In
this event, the remote sensor of any Harman
Kardon or other compatible device, not covered
by the door,or an optional remote sensor may
be used. Connect the Remote IR Output of
that device or the output of the remote sensor to
the Remote IR Input jack
N
.
If other components are also prevented from
receiving remote commands, only one sensor is
needed. Simply use this unit’s sensor or a remote
eye by running a connection from the Remote
IR Output jack
M
to the Remote IR Input
jack on Harman Kardon or other compatible
equipment.
Multiroom IR Link
The key to remote room operation is to link the
remote room to the AVR 4500’s location with
wire for an infrared receiver and speakers or an
amplifier.The remote room IR receiver (this can be
an optional IR receiver or any other remotable
Harman Kardon device in the remote room with
IR sensor integrated) should be connected to the
AVR 4500 via standard coaxial cable.Connect the
Remote IR Output of the device or of the
optional sensor with the Multiroom IR Input
jack
O
on the AVR4500’s rear panel.
If other Harman Kardon compatible source
equipment is part of the main room installation,
the Remote IR Output jack
M
on the rear
panel should be connected to the IR IN jack on
that source device.This will enable the remote
room location to control source equipment func-
tions.
NOTE: All remotely controlled components must
be linked together in a “daisy chain”. Connect
the IR OUT jack of one unit to the IR IN of the
next to establish this chain.
Multiroom Audio Connections
Depending on the distance from the AVR 4500
to the remote room, two options are available
for audio connection:
Option 1: Use high-quality, shielded audio
interconnect phono cable from the AVR 4500’s
location to the remote room. In the remote
room, connect the interconnect cable to a stereo
power amplifier.The amplifier will be connected
to the room’s speakers.At the AVR 4500, plug
the audio interconnect cables into the
Multiroom Output Jacks
7
on the AVR
4500’s rear panel.
Option 2: Place the amplifier that will provide
power to the remote location speakers in the
same room as the AVR 4500, and connect the
Multiroom Output jacks
7
on the rear panel
of the AVR to the audio input of the remote
room amplifier. Use the appropriate speaker wire
to connect the optional power amplifier to the
remote speakers. High-quality wire of at least
2.5 mm
2
is recommended for long multiroom
connections.
NOTE: In both options, you may connect an
optional IR sensor in the remote room to the
AVR 4500 via an appropriate cable.Connect the
sensor’s cable to the Multiroom IR Input
O
on the AVR 4500 and use the Zone II remote to
control the room volume.Alternatively, you may
install an optional volume control between the
output of the amplifiers and the speakers.
External Audio Power Amplifier
Connections
If desired, the AVR 4500 may be connected to
optional, external audio power amplifiers.When
an external amplifier is used, connect the
Preamp Out jacks
b
to the inputs on the
amplifier.Note that when external amplifiers or
devices are used, volume is still controlled by the
AVR, although additional volume controls on the
external device may affect volume and output
levels from the AVR.
AC Power Connections
This unit is equipped with two accessory AC out-
lets. They may be used to power accessory
devices, but they should not be used with high-
current draw equipment such as power ampli-
fiers. The total power draw to the Unswitched
Outlet
H
must not exceed 100 watts, that to
the Switched Outlet
G
50 watts.
The Switched
G
outlet will receive power only
when the unit is on completely.This is recom-
mended for devices that have no power switch
or a mechanical power switch that may be left in
the “ON” position.
NOTE: Many audio and video products go into a
Standby mode when they are used with
switched outlets, and cannot be fully turned on
using the outlet alone without a remote control
command.
The Unswitched
H
outlet will receive power
as long as the unit is plugged into a powered AC
outlet and the Main Power Switch
1
is on.
Finally, when all connections are complete, plug
the power cord into a nonswitched220-240-volt
AC wall outlet.You’re almost ready to enjoy the
AVR 4500!
Installation and Connections