HK 3480 (serv.man6) - Harman Kardon Audio User Guide / Operation Manual. Page 5

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FRONT PANEL CONTROLS  5
Front Panel Controls
Phono Input Selector: Press this button to
select the output of a turntable that is
connected to the Phono inputs 
.
T-Mon Input Selector: Press this button to
listen to the output of a tape recorder connected
to the Tape Monitor inputs 
. The TAPE M.
will be highlighted in the Input Indicators ˆ
to indicate that the input source is being
monitored when the HK 3480 is connected to a
three-head tape deck or another unit with off-
head playback.
Tuning Button: 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
tuned, the TUNED indicator will illuminate in the
Information Display Û. A brief press of the
button will manually tune to the next frequency
increment, while pressing and holding the
button for a longer period (>0.5 sec) will step
quickly through the frequencies. As soon as the
button is released the unit will automatically
tune to the next station with a signal strong
enough for acceptable reception.
Video 1 Input Selector: Press this button
to listen to and/or view the output of a device
connected to the Video 1 Inputs
.
Preset Scan: Press this button to automati-
cally scan through the stations that have been
programmed in the HK 3480’s memory. The
tuner will play five seconds of each station
before moving to the next preset station. To stop
the scan when the desired station is heard, press
the button again. (See page 13 for more infor-
mation on the tuner memory system.)
CD Input Selector: Press this button to lis-
ten to the output of a CD player connected to
the CD inputs 
.
Video 2 Input Selector: Press this button
to listen to and/or view the output of a device
connected to the Video 2 Inputs
.
Preset Selector: Press this button to step
up or down through the list of stations that has
been entered into the preset memory. (See page
13 for more information on tuner programming.)
VMAx Selector: Press this button to
engage VMAx processing of a stereo input. The
VMAx indicator Ù will light, and you will
notice a wider, more spacious field. In order to
obtain maximum benefit, you should be seated
midway between the two loudspeakers, and the
same distance from the speakers as the speakers
are from each other. The speakers must be
placed facing parallel and evenly with each
other so that their baffles are in the same plane.
Press the button again to return to Stereo mode.
FM/AM Selector: Press this button to
select the tuner as the input to the receiver.
When the tuner is in use, press this button to
change between the AM and FM frequency
bands.
Note: When an RDS station is tuned, the FM
button has the same function as the RDS Display
button on the remote control. Press to cycle
through the various RDS displays (see page 13).
FM Mode Selector: Press this button to
select the stereo or mono mode for FM tuning.
In the STEREO mode, a Stereo Indicator will
illuminate in the Information Display Û, and
stereo reception will be provided when stations
are transmitting stereo signals. In the MONO
mode, the left and right signals from stereo
broadcasts will be mixed together and repro-
duced through all channels. Select MONO for
better reception of weak signals.
Sleep Button: Press this button to place
the unit in the Sleep mode. Each press of the
button selects the amount of time that will
remain before the unit automatically goes into
the Standby mode, as shown in the Informa-
tion Display 
Û, in the following order:
Ó 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 and room
acoustics.
Ô 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 and room
acoustics.
 Balance Control: Turn this control to
change the relative volume for the front
left/right channels.
Ò Volume Control: Turn the knob clockwise
to increase volume, counterclockwise to
decrease the volume.
Ú Video 3 Input Selector: Press this button
to listen to and/or view the output of a device
connected to the Video 3 Inputs
 1 on
either the front or rear panel. If devices are con-
nected to both the front- and rear-panel Video
3 Inputs
 1, then the device connected to
the rear-panel Video 3 Inputs
 will be
selected first, as indicated by the dot to the left
of the Video 3 Input Indicator ˆ being
steadily lit. To select the device connected to the
front-panel Video 3 Inputs 1, press the Video
3 Input Selector 
Ú again so that the dot to
the left of the Video 3 Input Indicator ˆ
flashes. Each subsequent press of the Video 3
Input Selector 
Ú will toggle between the front
and rear Video 3 Inputs
 1.
Û Information Display: This display delivers
messages and status indications to help you
operate the receiver.
Ù Speaker Selection Indicators: These indi-
cators light as a green LED next to the designa-
tion for each speaker pair to show when they
are active. Press the Speaker 1 6 or 
Speaker 2 7 Selectors to activate either pair
of speakers.
Both sets of speakers may be selected simul-
taneously as long as all speakers are norminally
rated at an impedance of 8 ohms or greater.
However, occasionally the actual impedance will
vary, depending upon the program material.
When the impedance drops too low, the 
HK 3480 will go into protect mode in order to
prevent damage to the equipment. If this should
occur frequently, be sure to select only one set of
speakers at a time until you are able to obtain
speakers with a higher nominal impedance.
ı 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.
ˆ Input indicators: A blue LED will light in
front of the input that is currently being used as
the source for the AVR.
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