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14 OPERATION

OPERATION

Basic Operation

Once you have completed the setup and configuration
of your new receiver, it is simple to operate and enjoy.
The following instructions will provide the steps needed
to enjoy the HK 3375:

• Install the two supplied AAA batteries in the remote
as shown. Be certain to observe the (+) and (–)
polarity indicators shown in the bottom of the battery
compartment.

• When using the HK 3375 for the first time, it is
necessary to press the

Main Power Button

the front panel to turn the unit on. This places the unit
in a Standby mode, as indicated by the amber color of
the

Power Indicator

. Once the unit is in standby,

you may begin a listening session by pressing the

System Power Control

on the front panel or the

Main Power On Button

on the remote. The

Power Indicator

will turn red, then green. This

will turn the unit on and return it to the input source
that was last used. The unit may also be turned on
from Standby by pressing any of the

Source Selector

buttons on the front panel

89!#$ &

remote

To turn the unit off at the end of a listening session,
simply press the

System Power Control

on the

front panel or the

Main Power Off Button

∫

on the

remote. This places the unit in the Standby mode, and
the

Power Indicator

will turn amber to remind

you that the unit is ready for operation when a power
command is received from the remote.

When the remote is used to turn the unit “off” it is
actually placing the system in a Standby mode, as
indicated by the amber color of the

Power

Indicator

When you will be away from home for an extended
period of time, it is always a good idea to completely
turn the unit off using the front-panel

Main Power

Switch

• To dim the brightness of the

Information

Display

, press the

Dimmer Button

^˙

. The

first press will dim the lights to half normal. A second
press will turn the display completely off. Press the

Dimmer Button

^˙

again to restore the display

to normal brightness.

Source Selection

• To select a source at any time, press any of the

Source Selector

buttons on the remote

or front

panel

8 9 ! # $ &

• During a listening session you may wish to adjust
the

Bass

Treble

and

Balance



controls

to suit your listening tastes.

• Adjust the volume to a comfortable level using the
front-panel

Volume Control

or remote

Master

Volume Up/Down

buttons. The volume level is

displayed by the position of the

Volume Indicator

. Think of the

Volume Control Knob

as the

face of a clock, with the

Volume Indicator

indi-

cating the hour. The HK 3375 is playing at the mini-
mum volume level when the

Volume Indicator

points to 7 o’clock; when the

Volume Indicator

points to 12 o’clock (straight up), the HK 3375 is
playing at the maximum volume level. It is important
that you make sure never to exceed this maximum
volume level at any time, in order to avoid possible
damage to your loudspeakers due to “clipping”, a type
of distortion that is not audible to the human ear until it
is severe enough to permanently damage most loud-
speakers. It is also possible, depending upon the pro-
gram material, for clipping to occur at volumes below
the maximum volume level.

• To temporarily silence all speaker outputs, press
the

Mute Button

® 5

. This will cut the output to

all speakers, but it will not affect any recording or
dubbing that may be in progress. When the system
is muted, the

MUTE Indicator

will light in the

Information Display

and the

Volume/Mute

Indicator

will flash. Press the

Mute Button

again to return to normal operation.

• For private listening, plug the 1/4" stereo phone
plug from a pair of stereo headphones into the front-
panel

Headphone Jack

• One or two separate sets of speakers may be
connected to the HK 3375. To listen to one of the
speaker sets, press the

Speaker Buttons

the front panel corresponding to the desired speakers.
The active speakers will be indicated by a lit green
LED in the

Speaker Indicators

. Both speakers

may be turned off for private headphone listening.

• To program the HK 3375 for automatic turnoff,
press the

Sleep Button

on the front panel

(

remote

. Each press of the button will increase

the time before shutdown, displayed by the

Sleep

Timer

, in the following sequence:

The sleep time will be displayed in the

Information

Display

and it will count down until the time has

elapsed.

When the programmed time has elapsed, the unit will
automatically turn off. The

Information Display

will dim to one-half brightness when the Sleep function
is programmed. To cancel the Sleep function, press
the

Sleep Button

(

until the

Sleep Timer

numbers disappear and the

Information Display

shows the current source. Pressing any control button
while the Sleep control is activated will momentarily
return the

Information Display

to full brightness

for increased legibility without interrupting the Sleep
function.

Tuner Operation

The HK 3375’s tuner is capable of tuning AM, FM and
FM Stereo broadcast stations. Stations may be tuned
manually, or they may be stored as favorite station
presets and recalled from a 30-position memory.

Station Selection

1. Press the

AM/FM

buttons on the front panel or

on the remote

to select the tuner as an input.

2. Press these buttons again at any time to switch
between AM and FM.

3. To select stations, press the

Tuning Button

) †

to advance one frequency increment at a time, or
press and hold it, and the tuner will search for the next
highest- or lowest-frequency station that has an
acceptable signal. To tune to the next station, press
and hold the button again. When the

TUNED

Indicator

lights, the station is properly tuned

and should be heard with clarity.

4. Stations may also be tuned directly by pressing the

Direct Button

, and then pressing the

Numeric

Keys

that correspond to the station’s frequency.

The desired station will automatically be tuned.

NOTE: When the FM reception of a station is weak,
audio quality will be increased by switching to Mono
mode by pressing the