Hitachi 61HDX98B Service Manual page 25

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ADJUSTING
TV CONTROLS
Audio Output
Displays
a choice
list of available
audio
output
modes,
which
determine
how volume
will be controlled
through
the output
jacks.
l
Fixed Output
Fixed audio
mode
provides
a fixed
output
control
level from
the TV's audio
output
jacks to an external
device
such an external
sound
amplifier,
With
the fixed
audio
mode,
the TV's volume
control,
tone controls,
and mute are disabled.
You must use the amplifier's
remote
control
to change
volume.
a
Variable
Output
Variable
audio
mode
allows
a variable
output
control
level
from the TV's audio
output
jacks. If the volume
changes
on the TV via the
volume
buttons
on the remote
control
or front panel,
the output
volume
changes
as well.
TestTone
Tests the front,
rear, and center speakers
to make sure all channels
are
working
and are properly
connected
to the correct
speakers.
Front Balance
Allows
you to adjust
the sound
balance
between
the left front and
right front channels.
Rear Volume
Lets you adjust
the rear output
volume
level.
Rear Balance
Al lows
right rear channels.
Center Volume
Subwoofer Vol
you to adjust
the sound
balance
between
the left rear and
Lets you adjust
the center
output
volume
level.
Lets you adjust
the volume
coming
from the subwoofer
jack.
SPECIAL AUDIO
Audio Processor
Displays
a choice
list of available
audio
modes,
which
control
the way the sound
comes
through
your speakers.
Depending
on your speaker
setup, any combination
of the following
options
will appear:
l
Mono
Plays the sound
in mono
only, and outputs
sound
from the front
left
and right speakers
only. This is a good choice
when
receiving
broadcasts
where
distance
from the broadcasters
makes the stereo signal
weak. The channel
banner
displays
the word
Mono
when
you tune to a program
that is broadcast
in mono.
l
Stereo
Splits the incoming
stereo audio
signal
into left and right front
channels.
Most TV programs
and recorded
materials
have stereo audio.
The
channel
banner
displays
the word
Stereo when
you tune to a program
that is
broadcast
in stereo.
l
Dolby
3
Splits the incoming
audio
signal
into front
left, right, and center
channels.
The channel
banner
displays
the words
Dolby
Digital
when
you tune
to a program
that is broadcast
in Dolby
Digital.
l
Pro Logic
Splits the incoming
audio
into left, right, center,
and rear channels.
You must connect
rear speakers
to hear the rear (surround)
channel
sound.
This
is a good choice
for movies
and TV programs
broadcast
in Dolby
Surround.
l
Ha/i
Surround
Splits the incoming
audio
signal
into left, right, and rear
channels.
Extra delay
is added
to the rear channels
to simulate
a concert
hall
sound
effect.
l
Matrix
Surround
Splits the inc,oming
audio
signal
into left, right, and
simulated
rear channels.
You must connect
rear speakers
to hear the rear
(surround)
channel
sound.
This is a good
choice
when
you're
listening
to
monophonic
audio,
such as speeches,
sporting
events,
or plain
dialog
and wish
to have sound
coming
from
all channels.
25

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