Harman Kardon AVR220 Service Manual page 6

AVR220
Front Panel Controls
Surround Mode Selector: Press this but-
ton to change the surround mode by scrolling
through the list of available modes. Note that
depending on the type of input, some modes
are not always available. (See page 25 for more
information about surround modes.)
Tuning Selector: Press the left side of the
button to tune lower-frequency stations and the
right side of the button to tune higher-frequency
stations. When a station with a strong signal
is reached, the TUNED Indicator
illuminated in the Main Information
Display .
To tune manually, tap the button lightly and
note that the tuner will step up one frequency
increment per button press. When the button is
held for a few seconds you will note that the
unit will quickly search the frequency band.
Release it once the fast tuning starts; the tuner
will automatically scan for the next station with
an acceptable signal and then stop.
Tuner Band Selector: Pressing this button
will automatically switch the AVR 220 to the
Tuner mode. Pressing it again will switch
between the AM and FM frequency bands. (See
page 28 for more information on the tuner.)
Preset Stations Selector: Press this
button to scroll up or down through the list or
stations that have been entered into the preset
memory. (See page 29 for more information on
tuner presets.)
Input Source Selector: Press this button
to change the input by scrolling up or down
through the list of input sources.
FM Mode Selector: Press this button to
select Auto or Manual tuning. When the button
is pressed so that the AUTO Indicator
lights, the tuner will search for the next station
with an acceptable signal when the Tuning
Selector is pressed. When the button is
pressed so that the AUTO Indicator
lit, each press of the Tuning Selector
will increase the frequency. This button may also
be used to switch between Stereo and Mono
modes for FM radio reception. When weak
reception is encountered, press the button until
the STEREO Indicator goes out to switch
to Mono reception. Press and hold again to
switch back to STEREO mode. (See page 28 for
more information on using the tuner.)
6 FRONT PANEL CONTROLS
Digital Optical 3 Input: Connect the opti-
cal digital output of an audio or video product to
this jack. When the Input is not in use, be certain
to keep the plastic cap installed to avoid dust
contamination that might degrade future
performance.
Digital Coax 3 Jack: This jack is used for
connection to the output of portable audio
devices, video game consoles or other products
that have a coax digital jack.
will be
Video 4 Video Input Jacks: These jacks
may be used for temporary connection to the
composite or S-Video output of video games,
camcorders or other portable video products.
Video 4 Audio Input Jacks: These audio
jacks may be used for temporary connection to
video games or portable audio/video products
such as camcorders and portable audio players.
Bass Control: Turn this control to modify
the low frequency output of the left/right chan-
nels by as much as ±10dB. Set this control to a
suitable position for your taste or room acoustics.
Balance Control: Turn this control to
change the relative volume for the front
left/right channels.
NOTE: For proper operation of the surround
modes this control should be at the midpoint
or "12 o'clock" position.
Treble Control: Turn this control to modify
the high frequency output of the left/right chan-
nels by as much as ±10dB. Set this control to a
suitable position for your taste or room acoustics.
Volume Control: Turn this knob clockwise
to increase the volume, counterclockwise to
decrease the volume. If the AVR 220 is muted,
adjusting volume control will automatically
release the unit from the silenced condition.
Set Button: When making choices during
is not
the setup and configuration process, press this
button to enter the desired setting as shown
in the Main Information Display
AVR 220's memory. The set button may also
be used to change the display brightness.
(See page 31.)
Input Indicators: A green LED will light in
front of the input that is currently being used as
the source for the AVR 220.
Delay: Press this button to begin the
sequence of steps required to enter delay time
settings. (See page 18 for more information on
delay times.)
Digital Input Selector: When playing a
source that has a digital output, press this
button to select between the Optical
f Digital inputs. (See pages
and Coaxial
26–28 for more information on digital audio.)
Main Information Display: This display
delivers messages and status indications to
help you operate the receiver. (See pages 7–8
for a complete explanation of the Information
Display.)
Channel Select Button: Press this button
to begin the process of trimming the channel
output levels using an external audio source.
(For more information on output level trim
adjustment, see page 29.)
Speaker Select Button: Press this button
to begin the process of configuring the unit to
match the type of speakers used in your listen-
ing room. (See page 19 for more information
on speaker setup and configuration.)
Test Tone Selector: Press this button to
begin the process of adjusting the channel out-
put levels using the internal test tone as a ref-
erence. (For more information on output level
adjustment, see page 21.)
Surround Mode Indicators: A green LED
will light in front of the surround mode that is
currently in use.
Remote Sensor Window: The sensor
behind this window receives infrared signals
from the remote control. Aim the remote at this
area and do not block or cover it.
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