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16
INSTALLATION AND CONNECTIONS
SYSTEM AND POWER CONNECTIONS
The AVR 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
U
.
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
U
to the Remote IR
Input jack on Harman Kardon or other compatible equipment.
Zone II IR Link
The key to remote room operation is to link the remote room to the AVR’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 via standard coaxial cable.
Connect the Remote IR Output of the device or of the optional sensor with the
Zone II IR Input jack
V
on the AVR’s rear panel.
If other Harman Kardon compatible source equipment is part of the main
room installation, the Remote IR Output jack
U
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 functions.
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
Taking advantage of the AVR’s built-in seven-channel amplifier, it is possible
to use two of the amplifier channels to power speakers in the remote room.
When using this option you will not be able to use the full 7.1-channel
capabilities of the AVR in the main listening room, but you will be able to add
another listening room without additional external power amplifiers. To use
the internal amplifiers to power a remote zone, connect the speakers for the
remote room location to the Surround Back/Multiroom Speaker Outputs
O
.
Before using the remote room you will need to configure the amplifiers for
surround operation by changing a setting in the Multiroom menu, following
the instructions shown on page 16.
NOTE
: You may connect an optional IR sensor (Harman Kardon He 1000) in
the remote room to the AVR via an appropriate cable. Connect the sensor’s
cable to the Zone 2 IR Input
V
on the AVR and use the remote to control
the room volume. Alternatively, you may install an optional volume control
between the output of the amplifiers and the speakers.
AC Power Connections
This unit is equipped with one accessory AC outlet. It may be used to power
accessory devices, but should not be used with high-current draw equipment
such as power amplifiers. The total power draw to the Switched Outlet
G
should not exceed 50 watts.
The Switched
G
outlet will receive power only when the unit is on
completely. This is recommended 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 Standby mode when they are
used with switched outlets, and cannot be fully turned on using the outlet
alone without a remote control command.
Speaker Selection
No matter which type or brand of speakers is used, the same model or brand
of speaker should be used for the front-left, center and front-right speakers.
This creates a seamless front soundstage and eliminates the possibility
of distracting sonic disturbances that occur when a sound moves across
mismatched front-channel speakers.
Speaker Placement
The placement of speakers in a multichannel home-theater system can have a
noticeable impact on the quality of sound reproduced.
Depending on the type of center-channel speaker in use and your viewing
device, place the center speaker either directly above or below your TV, or in
the center behind a perforated front-projection screen.
Once the center-channel speaker is installed, position the left-front and
right-front speakers so that they are as far away from one another as the
center-channel speaker is from the preferred listening position. Ideally, the
front-channel speakers should be placed so that their tweeters are no more
than 60 cm above or below the tweeter in the center-channel speaker.
They should also be at least 0.5 meter from your TV set unless the speakers
are magnetically shielded to avoid colourings on the TV screen. Note that
most speakers are not shielded, even with complete surround sets only the
Center speaker may be.
Depending on the specifics of your room acoustics and the type of speakers
in use, you may find that imaging is improved by moving the front-left
and front-right speakers slightly forward of the center-channel speaker. If
possible, adjust all front loudspeakers so that they are aimed at ear height
when you are seated in the listening position.
Using these guidelines, you’ll find that it takes some experimentation to find
the correct location for the front speakers in your particular installation. Don’t
be afraid to move things around until the system sounds correct. Optimize
your speakers so that audio transitions across the front of the room sound
smooth.