Hitachi 61HDX98B Service Manual page 26

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ADJUSTING
TV CONTROLS
Optical
Output
Select Auto Select
if your TV is connected
to a Dolby
Digital
and
PCM decoder.
Select
Dolby
Digita/
if the TV is connected
to a Dolby
Digital
only decoder;
it will
provide
six independent
soundtrack
channels
through
the optical
output
jack (labeled
DIGITAL
AUDIO
OUT).
Select KM
if
it is connected
to a PCM only
decoder;
it will then provide
two independent
soundtrack
channels.
Select Off if you want no audio
output
provided.
Perfect
Volume
Monitors
a program's
audio
track and limits volume
excursions
to a minimum
and maximum
volume
range from the current
volume
setting.
Acting
like
a dynamic
range limiter,
it compresses
the dynamic
range to limit sudden
volume
increases,
like when
a commercial
begins.
Dynamic
Bass
Brings
the bass level up by +6dB.
Transmitter
Out
Allows
you to choose
between
three possible
variable
audio
outputs
for a separate
set of wireless
speakers,
stereo amplifier,
wireless
headphones,
or whatever
component
you have connected
to the
TRANSMITTER
OUT
jack on the back panel.
You can choose
from the
following
output
selections:
l
Front Speakers
Tells theTV
that you've
set up your wireless
speakers
in
the front of the room. Your system will
then play the "front
speaker"
audio
stream through
the wireless
speakers.
l
PIP Audio
tf you choose
PIP (picture-in-picture)
Audio,
your wireless
transmitter
(e.g. speakers
or headphones)
will
play the PIP audio
program.
If no PIP is displayed,
the wireless
transmitter
will
play the main channel
audio
program.
l
Rear Speakers
Tells the TV that you've
set up your wireless
speakers
in
the rear of the room.
Your system will then play the "rear
speaker"
audio
stream through
the wireless
speakers.
Center
Delay
Allows
you to set delay
of center
audio
signal.
Surround
Delay
Allows
you to set delay of surround
audio
signal.
LOUDNESS
When
turned
on, loudness
allows
the setting
of the volume
control
to also
control
the output
frequency
response.
High and low frequencies
are boosted
at lower
volume
levels.
SAP
When
turned
on, Second
Audio
Program
(SAP) plays the program's
audio
in a
second
language,
if one is available.
SAP is also used to broadcast
a program's
audio
with
descriptions
of the video
for the visually
impaired.
SAP is broadcast
in mono
and is not available
for digital
programs.
ALTERNATE
AUDIO
The Alternate
Audio
menu
lets you choose
the default
audio
language
you
want to hear when
it is available.
The system will automatically
set the audio
program
to the selected
audio
language
when
the channel
you are viewing
is
either
a DIRECTV
or a digital
channel
and the specified
language
is available.
Highlight
the audio
language
you want using the up and down
arrows,
then
press SELECT.
r When
theTV
is
connected
to an
optional,
compatible
six-
channel
amplifier/
receiver
and speakers
via the DIGITAL
AUDIO
OUT jack on the back
panel,
you receive
Dolby
Digital
Surround
Sound,
if transmitted.
Use the Optical
Output
menu
to specify
Auto
Select,
PCM, Dolby
, Digital,
or Off.
r
You will find an Alt
Audio
item in the
channel
banner.
When
this item is highlighted,
it indicates
that a
Second
Audio
Program
(SAP) is available
for
analog
programs.
If you
select
it when
highlighted,
you will
activate
the SAP for the
current
channel
(all
other
channels
remain
unaffected).
If the item is
high1 ighted
when
watching
a digital
channel
or a DIRECTV
channel,
more than one
audio
language
is
available.
If you select
the icon, you will
hear
the language
and the
name will
appear
in the
channel
banner.
26

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