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16. SURROUND MODE
With the Surround Mode buttons the available surround sound modes
can be selected. The selected Surround mode is permanently indicated in
the display Area. The Surround Mode buttons scroll through the available
surround sound modes:
With any of the Digital Inputs
DVD, SAT, VCR
or CD
(press
DVD
,
SAT
,
VCR
or CD respectively
to select), the T74
2
automatically recognizes if the
selected source carries
a Dolby Digital™ or DTS™ signal. When no Dolby
Digital or DTS signal
is available, the Surround Mode buttons
scrolls through the other
available surround sound modes:
With either Dolby Digital or DTS surround mode engaged, the Dolby Pro
Logic and Ears surround modes cannot be selected. Dolby Digital and
DTS has six independent channels available in total: Left, Centr
e
, Right,
Surround left, Surround Right and an “Effects Channel” (Subwoofer).
The Dolby Digital signal allows for several channel configurations. DTS
digital surround is an Encode/Decode system that currently delivers six
discrete channels (5.1) of “Master-Quality” up to 24-bit audio. Dolby Pro
Logic decodes the cent
re
and surround sound signals embedded in stereo
movie sound tracks from e.g. video, Laser Disc or TV. To decode correctly,
the source must be a Dolby Surround or Dolby Stereo soundtrack.
In the EARS (Enhanced Ambiance Retrieval System) Surround Mode, a
realistic level of ambience of surround sound is added to a normal stereo
source such as a CD or FM radio.
To access the SET UP menu, press SET UP button to go to Layer 1, SPK SET.
Use VOLUME/SET UP knob to change selection at Layer 1. Press SET UP
button to enter Layer 2. Use VOLUME/SET UP knob to change selection at
Layer 2. Press SET UP button to enter Layer 3. Use VOLUME/SET UP knob
to change selection at Layer 3. While at Layer 3, press SET UP button to
exit Layer 3 and go back to Layer 2. While at Layer 2 or Layer 1, selecting
Exit then pressing SET UP will go back one level up. After a 5 sec default
time, if no adjustment is made, the T74
2
will automatically exit the set up
mode and return to the last selected input.
Refer to section SETTING UP A SURROUND SYSTEM below for more
detailed information on making these adjustments.
18. TONE CONTROLS
This button is used to adjust Bass and Treble response to suit personal
taste, or to compensate for less than optimal program sources. Each
press of the TONE CONTROLS button cycles through BASS
>
TREB
>
and back to the previously selected input. Adjustment of Bass and
Treble response is accomplished by turning the VOLUME/SET UP knob.
Adjustment can be made in 2 dB increments up to +/- 10 dB. After a 5
sec default time, if no adjustment is made, the T74
2
will automatically
exit the TONE CONTROLS mode and return to the last selected input.
ENHANCED STEREO > PLII MOVIE > PLII MUSIC > PLII PAN >
PLII MATRIX > PROLOGIC > EARS > back to ENHANCED STEREO
Dolby Pro Logic is the latest decoder for Dolby Surround. It enhances
the spatiality and directionality of those existing Dolby Surrond programs.
Dolby Pro Logic Movie is actually an improvement over Dolby Pro Logic
by giving an extra stereo surround channel and without a frequency filter
Dolby Pro Logic Music is especially for music but not movies.
Dolby Pro Logic Panorama is a mode for extention of teh front stereo
image to include the surround speakers for an exciting
"wraparound" effect with side wall imaging.
Dolby Pro Logic Matrix is mor or less the same as Music mode,
ecxept mono signals are processed to seem "wider"
In the Enhanced Stereo Mode, the T742 delivers Right & Left channels to
Surround Left & Surround Right and (-6 dB) to the Centre Channels
on the speaker signal.
17. SET UP
This button is used to configure the T742 to match with the specific
speakers in your system. This setup procedure should be done when you
first install your system, and subsequently when new or different
speakers are attached, or when the speaker positions are changed.
The SET UP facility uses a “menu” system that is 3 layers deep to
accomplish the speaker setup. The Front Panel display will give you
feedback on where you are in the menu system at any given moment.
By first pressing the SET UP button and then turning the VOLUME/SETUP
knob all menu items can be accessed.
(Layer 1) SPK SET
(Layer 2) MAIN
(Layer 3) LAR
(Layer 3) SMA
(Layer 2) CEN
(Layer 3) LAR
(Layer 3) SMA
(Layer 3) OFF
(Layer 2) REAR
(Layer 3) LAR
(Layer 3) SMA
(Layer 3) OFF
(Layer 2) SUB
(Layer 3) ON
(Layer 3) OFF
(Layer 2) EXIT
(Layer 1) DELAY
(Layer 2) CEN
(Layer 3) 0mS (Time in mS)
(Layer 2) REAR
(Layer 3) 0mS (Time in mS)
(Layer 2) EXIT
(Layer 1
) PL2 SET
(Layer 2) CE
NT WIDTH
(Layer 3) 0
to 7 PRESET
(Layer 2)
DIMENSION
(Layer 3)
-3 to +3 units
(Layer 2) EXIT
(Layer 1) EXIT
CENTRE WIDTH (Dolby Pro Logic II Music Mode only
This allows centre-channel sounds to be positioned between the centre
speaker and the left/right speakers over a range of eight steps. Step '3' uses
a combination of all three front speakers to give the best vocal imaging
and most seamless soundstage and is recommended for most recordings.
Step '0' places all centre sound in the centre speaker. Step '7'
places all centre sound equally in the left/right speakers, as in
conventional stereo.
no effect on the sound. Steps "+1", "+2", and "+3" gradually
move the sound forward, and Steps "-1", "-2", and "-3" moves
the sound towards the surrounds.
DIMENSION (Dolby Pro Logic II Music Mode only
This allows teh gradual adjustment of the sound field either towards
the front or the rear. This can help achieve the desired balance from all the
speakers with certain recordings that may contain either too much or
too little spatial effect. Step '0' is the recommended setting of which has
SET UP OPTIONS
