Harman Kardon HK 3370 Service Manual Download Page 7

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FRONT PANEL CONTROLS

Front Panel Controls

Phono Input Selector:

Press this but-

ton 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 T-Mon indicator will illuminate

to indicate that the input source is being
monitored when the HK 3370 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

. A brief (1/2

second) press of the button will manually tune
to the next frequency increment, while pressing
and holding the button for a longer period will
automatically tune to the next station with a
signal strong enough for acceptable reception.

Tape Input Selector:

Press this button

to listen to the output of a tape recorder or other
device connected to the

Tape 2

inputs

⁄

Preset Scan:

Press this button to auto-

matically scan through the stations that have
been programmed in the HK 3370’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 14 for
more information on the tuner memory system.)

CD Input Selector:

Press this button

to listen to the output of a CD player connected
to the

inputs

Aux Input Selector:

Press this button

to listen to the output of a device connected to
the

Aux

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 14 for more information on tuner
programming.)

Dimmer Button:

Press this button to

dim the front panel displays and indicators. The
first press of the button will dim the displays to
one-half normal brightness; the next press will
turn all displays off except for the

Power

Indicator

and the

Speaker

Selection Indicators

. Note that when

the panel is dimmed, it will return to normal
brightness after the unit is turned off, then on
again.

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.

FM Mode Selector:

Press this button

to select the stereo or mono mode for FM tun-
ing. In the STEREO mode, a

Stereo

indicator

will illuminate in the

Information Display

, 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
reproduced 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

Information Display

, in the following

order:

Bass Control:

Turn this control to modi-

fy the low-frequency output of the left/right
channels by as much as ±10dB. Set this control
to a suitable position for your taste and room
acoustics.

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
and room acoustics.



Balance Control:

Turn this control to

change the relative volume for the front
left/right channels.

Volume Control:

Turn the knob clock-

wise to increase volume, counterclockwise to
decrease the volume.

Volume/Mute Indicator:

This indicator

will glow green when the HK 3370 is turned
on. Its position will enable you to judge the
relative volume of the unit even when the
speakers are muted or turned off. When the
indicator is pointing toward the left, at an
“8 o’clock” position, the volume is low; when
it is pointing to the right, as in a “3 o’clock”
position, the volume is loud. When the unit has
been muted by pressing the

Mute

button

, the indicator will flash.

Information Display:

This display

delivers messages and status indications to
help you operate the receiver.

Speaker Selection Indicators:

These indicators light as a green LED next to
the designation for each speaker pair to show
when they are active. Press the

Speaker 1

Speaker 2

Selectors

to activate

either pair of speakers.

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.

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