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Harman Kardon

AVR18 RDS

Audio/Video Receiver

Owner’s Manual

PRESET SCAN

FM MODE

PRO LOGIC

3-STEREO

HALL 1

HALL 2

THEATER

TEST TONE

SURR. OFF

PRESET

TUNING

Mute

R

L

Max

Min

Max

Min

Bass

Treble

Balance

Volume

Center

Channel

Delay

Set

VIDEO 3

Video

Audio R

L

Owner’s Manual

AVR18 RDS Audio/Video Receiver

Table of Contents

Introduction. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1
Important Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2–3
Front Panel Controls. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4–6
Rear Panel Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7–8
Remote Control Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9–11
Installation and Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12–14
System Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15–18
Operation. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19–25

Source Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Surround Mode Selection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Surround Mode Chart. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
6-Channel Direct Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
External Amplifier Connection. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
Tuner Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21–22
RDS Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22–24
Tape Recording . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Output Level Trim Adjustment . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Memory Backup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
Processor Reset . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

Troubleshooting Guide . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
Technical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27

©1998 Harman Kardon, Incorporated

250 Crossways Park Drive
Woodbury, NY 11797

Introduction

1

Congratulations! With the purchase of the
Harman Kardon AVR18 RDS you are about
to begin many years of listening
enjoyment. The AVR18 RDS has been
custom designed to provide all the
excitement and detail of movie sound
tracks and every subtle nuance of musical
selections.

While complex systems are hard at work
within the AVR18 RDS to make all of this
happen, hookup and operation are simple.
Color-keyed connections and a
comprehensive remote control make the
AVR18 RDS easy to use. 

To obtain maximum enjoyment from your
new receiver, we urge you to take a few
minutes to read through this manual. This
will ensure that connections to speakers,
source playback units and other external
devices are made properly. In addition, a
few minutes spent learning the functions
of the various controls will enable you to
take advantage of all the power the AVR18
RDS is able to deliver.

If you have any questions about this
product, its installation or operation,
please contact your dealer. He is your best
local source of information.

Description and Features
The AVR18 RDS is a full-featured A/V
receiver, incorporating a wide variety of
listening options. In addition to Dolby*
Pro Logic* and Dolby 3 Stereo, with “6-
Channel Direct” inputs, the AVR18 RDS is
ready for the future. The AVR18 RDS is
digital ready, and may be connected to an
optional, external digital decoder, or the
outputs of a DVD player, Digital TV or any
product that has its own Dolby Digital or
DTS† decoder. A choice of Hall and
Theater modes is also available for use
with both encoded sources and traditional
two-channel stereo recordings.

A total of four audio/video inputs, as well
as two additional audio-only inputs, and
an FM stereo/FM/AM tuner provide for the
utmost flexibility. Front-panel A/V inputs
simplify connections to video games or
camcorders. A high-quality phono input is
available so that you may continue to
enjoy your existing record collection.

The AVR18 RDS’s powerful amplifiers use
traditional Harman Kardon High-Current
Design philosophies to meet the wide
dynamic range of any program selection. 

Harman Kardon invented the high-fidelity
receiver more than forty-five years ago.
With state-of-the-art features and time-
honored circuit designs, the AVR18 RDS is
one of the finest receivers ever offered by
Harman Kardon.

■

Five Analog Surround Modes

■

Composite Video Switching

■

6-Channel Direct Input Enables
Seamless Integration of Future
Decoding Systems

■

Preamp Output for ALL Channels
Permits Ease of Expansion

■

Phono Input Section

■

RDS Program Data Information
Displays

Important Information

2

Verify Line Voltage Before Use
Your AVR18 RDS has been designed for use
with 220-240-volt AC current. Connection
to a line voltage other than that for which
it is intended can create a safety and fire
hazard, and may damage the unit.

If you have any questions about the
voltage requirements for your specific
model, or about the line voltage in your
area, contact your selling dealer before
plugging the unit into a wall outlet.

Do Not Use Extension Cords
To avoid safety hazards, use only the power
cord attached to your unit. We do not
recommend that extension cords be used
with this product. As with all electrical
devices, do not run power cords under rugs
or carpets or place heavy objects on them.
Damaged power cords should be replaced
immediately with cords meeting factory
specifications.

Handle the AC Power Cord Gently
When disconnecting the power cord from
an AC outlet, always pull the plug, never
pull the cord. If you do not intend to use
the unit for any considerable length of
time, disconnect the plug from the AC
outlet.

Do Not Open the Cabinet
There are no user-serviceable components
inside this product. Opening the cabinet
may present a shock hazard, and any
modification to the product will void your
guarantee. If water or any metal object
such as a paper clip, wire or staple
accidentally falls inside the unit,
disconnect it from the AC power source
immediately, and consult an authorized
service station. 

■

To assure proper operation, and to avoid
the potential for safety hazards, place
the unit on a firm and level surface.
When placing the unit on a shelf, be
certain that the shelf and any mounting
hardware can support the weight of the
product.

■

Make certain that proper space is
provided both above and below the unit
for ventilation. If this product will be
installed in a cabinet or other enclosed
area, make certain that there is
sufficient air movement within the
cabinet. Under some circumstances a
fan may be required.

■

Do not place the unit directly on a
carpeted surface. 

■

Avoid installation in extremely hot or
cold locations, or an area that is
exposed to direct sunlight or heating
equipment.

■

Avoid moist or humid locations.

■

Do not obstruct the ventilation slots on
the top of the unit, or place objects
directly over them.

Cleaning
When the unit gets dirty, wipe it with a
clean, soft, dry cloth. If necessary, wipe it
with a soft cloth dampened with mild
soapy water, then a fresh cloth with clean
water. Wipe dry immediately with a dry
cloth. NEVER use benzene, aerosol
cleaners, thinner, alcohol or any other
volatile cleaning agent. Do not use
abrasive cleaners, as they may damage the
finish of metal parts. Avoid spraying
insecticide near the unit.

Moving the Unit
Before moving the unit, be certain to
disconnect any interconnection cords with
other components, and make certain that
you disconnect the unit from the AC outlet.

The carton and shipping materials used to
protect your new receiver during shipment
were specially designed to cushion it from
shock and vibration. We suggest that you
save the carton and packing materials for
use in shipping if you move, or should the
unit ever need repair.

To minimize the size of the carton in
storage, you may wish to flatten it. This is
done by carefully slitting the tape seams
on the bottom and collapsing the carton
down to a more two-dimensional
appearance. Other cardboard inserts may
be stored in the same manner. Packing
materials that cannot be collapsed should
be saved along with the carton in a plastic
bag. 

If you do not wish to save the packaging
materials, please note that the carton and
other sections of the shipping protection
are recyclable. Please respect the
environment and discard those materials
at a local recycling center.