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18 INSTALLATION AND CONNECTIONS
3. Connect the digital output of any digital
sources such as a CD or DVD changer or player,
advanced video game, a digital satellite receiver,
HDTV tuner or digital cable set-top box or the
output of a compatible computer sound card to
the Optical and Coaxial Digital Inputs
NR*Ó
.
We recommend connecting the coaxial digital
audio output of your DVD player to the Coax 1
Digital Audio Input
N
, since that digital input
is assigned to the DVD source by default.
The Video 2/Cable/Sat source defaults to the
Optical 1 Digital Audio Input
R
. If your
cable television set-top box or satellite receiver
is equipped with an optical digital audio output,
we recommend that you connect it to this input
to obtain the benefits of higher-quality digital
audio (such as PCM, Dolby Digital 2.0 or Dolby
Digital 5.1 signals when broadcast by your cable
or satellite provider).
NOTE: If you wish for your digital source device
to be available for use by the multiroom system,
you will need to connect its analog audio
outputs to the appropriate inputs on the
AVR 347, as the multiroom system is not
capable of distributing digital signals to the
remote zone.
4. Connect the Coaxial or Optical Digital
Outputs
A
on the rear panel of the AVR to the
matching digital input connections on a CD-R or
MiniDisc recorder.
5.Assemble the AM Loop Antenna supplied with
the unit as shown below. Connect it to the AM
and GND screw terminals
0
.
6. Connect the supplied FM antenna to the FM
(75 ohm) connection
1
.The FM antenna may
be an external roof antenna, an inside powered
or wire lead antenna or a connection from a
cable system. Note that if the antenna or
connection uses 300-ohm twin-lead cable, you
should use a 300-ohm-to-75-ohm adapter to
make the connection.
7.With the AVR 347 turned off, connect the
optional Harman Kardon to
Digital Media Player (DMP) Connector
8
.
Your compatible Apple
®
iPod
®
may be docked in
when you wish to use it as your audio
source device.
8. Connect the front, center and surround
speaker outputs
DEFO
to the respective
speakers.
To assure that all the audio signals are carried to
your speakers without loss of clarity or
resolution, we suggest that you use high-quality
speaker cable. Many brands of cable are
available and the choice of cable may be
influenced by the distance between your
speakers and the receiver, the type of speakers
you use, personal preferences and other factors.
Your dealer or installer is a valuable resource to
consult in selecting the proper cable.
Regardless of the brand of cable selected, we
recommend that you use a cable constructed of
fine, multistrand copper with an area greater
than 2 mm
2
.
Cable with an area of 1.5 mm
2
may be used for
short runs of less than 4 m.We do not recom-
mend that you use cables with an area less than
1mm
2
due to the power loss and degradation in
performance that will occur.
Cables that are run inside walls should have the
appropriate markings to indicate listing with any
appropriate testing agency standards. Questions
about running cables inside walls should be
referred to your installer or a licensed electrician
who is familiar with the applicable local building
codes in your area.
When connecting wires to the speakers, be
certain to observe proper polarity. Note that the
positive (+) terminal of each speaker connection
now carries a specific color code as noted on
page 8. However, most speakers will still use a
red terminal for the postive (+) connection.
Connect the “negative” or “black” wire to the
same terminal on both the receiver and the
speaker.
NOTE: While most speaker manufacturers
adhere to an industry convention of using black
terminals for negative and red ones for positive,
some manufacturers may vary from this
configuration.To assure proper phase and
optimal performance, consult the identification
plate on your speaker or the speaker’s manual to
verify polarity. If you do not know the polarity of
your speaker, ask your dealer for advice before
proceeding, or consult the speaker’s
manufacturer.
We also recommend that the length of cable
used to connect speaker pairs be identical. For
example, use the same length piece of cable to
connect the front-left and front-right or
surround-left and surround-right speakers,
even if the speakers are a different distance
from the AVR.
9. Connections to a subwoofer are normally
made via a line level audio connection from the
Subwoofer Output
4
to the line-level input
of a subwoofer with a built-in amplifier.When a
passive subwoofer is used, the connection first
goes to a power amplifier, which will be con-
nected to one or more subwoofer speakers. If
you are using a powered subwoofer that does
not have line-level input connections, follow the
instructions furnished with the speaker for con-
nection information.
10. If an external multi-channel audio source
with 5.1 outputs such as an external digital
processor/decoder, DVD-Audio, SACD, Blu-ray or
HD-DVD player is used, connect the outputs of
that device to the 8-Channel Direct Inputs
9
.
Video Equipment Connections
Video equipment is connected in the same man-
ner as audio components. Again,the use of high-
quality interconnect cables is recommended to
preserve signal quality.To ensure best video per-
formance S-Video sources should be connected
to the AVR only with their S-Video In/Outputs,
not with their composite video connectors too.
If you have already connected a source device to
one of the HDMI inputs as explained in the
Audio Equipment section, then you have auto-
matically made a video connection at the same
time, as the HDMI signal includes both digital
audio and video components.
If your video display or source device is not
HDMI-capable, you will need to use one of the
analog video connections (composite, S- or com-
ponent video), if available, as described below.
If the source device is not capable of transmit-
ting its digital audio signal through the HDMI
connection, then use one of the coaxial or opti-
cal digital audio inputs for the source.
If a multichannel analog audio connection is
required for certain lossless formats (e.g. DVD-
Audio, SACD, HD-DVD or Blu-ray Disc), you may
make both connections.To listen to the multi-
channel disc, first select the HDMI source input,
then select the 6-/8-channel analog audio
inputs, and the AVR will retain the last video
source you selected.
Installation and Connections