AVR 300 (serv.man10) - Harman Kardon Audio User Guide / Operation Manual. Page 5

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5 FRONT-PANEL CONTROLS

1 Main Power Switch: Press this button to
apply power to the AVR 300 RDS. When the
switch is pressed in, the unit is placed in a
Standby mode, as indicated by the amber LED
3 surrounding the System Power Control
2. This button MUST be pressed in to operate
the unit. To turn the unit off completely and
prevent the use of the remote control, this
switch should be pressed until it pops out from
the front panel so that the word “OFF” may be
read at the top of the switch.

NOTE: In normal operation this switch is left in
the “ON” position.

2 System Power Control: When the Main
Power Switch 1 is “ON,” press this button to
turn on the AVR 300 RDS; press it again to turn

the unit off (to Standby). Note that the Power
Indicator surrounding the switch 3 will turn
green when the unit is on.

3 Power Indicator: This LED will illuminate
in amber when the unit is in the Standby mode
to signal that the unit is ready to be turned on.
When the unit is in operation, the indicator will
turn green.

4 Headphone Jack: This jack may be used to
listen to the AVR 300 RDS’s output through a pair
of headphones. Make sure the headphones have
a standard 6,3 mm stereo phone plug. Note that
the main room speakers and any Surround mode
will automatically be turned off when the
headphone jack is in use.

5 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.

6 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.

7 Balance Control: Turn this control to
change the relative volume for the front
left/right channels.

Main Power Switch
System Power Control
Power Indicator
Headphone Jack
Bass Control
Treble Control
Balance Control
Video 3 Inputs
Tape Selector
CD Input Selector
DVD Input Selector
Video Input Selectors

6-Channel Direct Selector
AM/FM Selector
Tuning Button
Preset Scan
Preset Stations Selector
RDS Button
Dolby Digital Selector
Dolby Pro Logic Selector
Dolby 3 Stereo Selector
Hall 1 Selector
Hall 2 Selector
Theater Mode Selector

DTS Selector
Surround Off
Mute
Volume Control
Delay
Digital Input Selector
Set Button
Multiroom Selector
Speaker Select Button
Selector Buttons
Information Display
Remote Sensor 

CD

TAPE

DVD

VID 1

VID 2

VID 3

6 CH

AM/FM

PRESET SCAN

RDS 

Hall 1

Hall 2

THEATER

SURR. OFF

PRESET

TUNING

Phones

Power

Mute

R

L

Max

Min

Max

Min

Bass

Treble

Balance

Volume

Speaker Multi Room Dig. Select

Delay

DIGITAL

PRO LOGIC

3-STEREO

Set

VIDEO 3

Video

Audio R

L

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