AVR 235 (serv.man3) - Harman Kardon Audio User Guide / Operation Manual. Page 6

FRONT PANEL CONTROLS

7 Selector Buttons: When you are establishing
the AVR’s configuration settings, use these buttons
to select from the choices available, as shown in
the Main Information Display

˜.

8 Tone Mode: Pressing this button enables or
disables the Balance, Bass and Treble tone
controls. When the button is pressed so that the
words 

TONE I N

appear in the Main

˜, the settings of the

 and Treble Ú controls and of the

Balance control 

Ò will affect the output

signals. When the button is pressed so that the
words 

TONE OUT

appear in the Main

˜, the output signal will

be “flat,” without any balance, bass or treble
alteration.

9 Surround Mode Selector: Press this button
to select from among the available surround
mode options for the mode group selected. The
specific modes will vary based on the number of
speakers available, the mode group and if the
input source is digital or analog. For example,
press the Surround Mode Group Selector

5

to select a mode grouping such as Dolby or Logic
7, and then press this button to see the mode
choices available. For more information on mode
selection, see page 29.

) 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,

MANUAL TUNED

or 

AUTO

TUNED

will appear in the Main Information

˜ (see page 35 for more information

on tuning stations).

! Tuner Band Selector: Pressing this button
will automatically switch the AVR to the Tuner
mode. Pressing it again will switch between the
AM and FM frequency bands, holding it pressed
for some seconds will switch between stereo and
mono receiving and between automatic and
manual tuning mode (See page 35 for more
information on the tuner).

@ Set Button: When making choices during the
setup and configuration process, press this button
to enter the desired setting as shown in the 
Main Information Display 

˜ into the AVR’s

memory. The set button may also be used to
change the display brightness (See page 33).

# Preset Stations Selector: Press this
button to scroll up or down through the list of
stations that have been entered into the preset
memory (See page 35 for more information on
tuner programming).

$ Speaker/Channel Input Indicators: These
indicators are multipurpose, indicating either the
speaker type selected for each channel or the
incoming data-signal configuration. The left, center,
right, right surround and left surround speaker
indicators are composed of three boxes, while the
subwoofer is a single box. The center box lights
when a “Small” speaker is selected, and the two
outer boxes light when “Large” speakers are
selected. When none of the boxes are lit for the
center, surround or subwoofer channels, no speaker
has been selected for that position. (See page 17
for more information on configuring speakers.) The
letters inside each of the center boxes display
active input channels. For standard analog inputs,
only the L and R will light, indicating a stereo
input. When a digital source is playing, the indica-
tors will light to display the channels begin
received at the digital input. When the letters
flash, the digital input has been interrupted. (See
page 19 for more information on the Channel
Indicators).

% Input Source Selector: Press this button to
change the input by scrolling through the list of
input sources.

^ RDS Select Button: Press this button to
display the various messages that are part of the
RDS data system of the AVR’s tuner.
(See page 36 for more information on RDS).

& Delay: Press this button to begin the
sequence of steps required to enter delay time
settings (See page 22 for more information on
delay times).

* Digital Optical 3 Input: Connect the optical
digital audio 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.

( Surround Mode Indicators: The current
selected mode or function will appear as one of
these indicators. Note that when the unit is
turned on, the entire list of available modes will
light briefly, and then revert to normal operation
with only the active mode indicator illuminated.

Ó Digital Coax 3 Input: This jack is normally
used for connection to the output of portable
digital audio devices, video game consoles or
other products that have a coax digital jack.

Ô Video 4 Input Jacks: These audio/video
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 channels by
as much as ±10dB. Set this control to a suitable
position for your taste or room acoustics.

Ò 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.

Ú Treble Control: Turn this control to modify
the high frequency output of the left/right channels
by as much as ±10dB. Set this control to a suitable
position for your taste or room acoustics.

Û Digital Input Selector: When playing a
source that has a digital output, press this button
to select between the Optical

 and Coaxial

 Digital inputs. (See pages 20-22 for more
information on digital audio).

Ù 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 32).

ı Volume Control: Turn this knob clockwise
to increase the volume, counterclockwise to
decrease the volume. If the AVR is muted, adjust-
ing volume control will automatically release the
unit from the silenced condition.

ˆ Input indicators: The current selected
mode or function will appear as one of these
indicators. Note that when the unit is turned on,
the entire list of available modes will light briefly,
and then revert to normal operation with only
the active mode indicator illuminated.

˜ Main Information Display: This display
delivers messages and status indications to help
you operate the receiver.

¯ 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 unless an external
remote sensor is installed.