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15
(which provide a fixed “reference”
output level).
All functions except for the
level controls are disabled while
the test sound is running.
The speaker level controls
operate at all times. If desired,
you may adjust these controls
during program material to fine-
tune the balance.
(This function is only available
on the Remote Control)
Note:
Volume levels during the
test sequence are lower than
during normal operation.
12.
DYNAMIC MODE:
Press this
button to experience the full
dynamic range of Dolby Digital
programs. The LEDs on the upper
half of the Decoder Amplifier
light up momentarily. The
program source will sound louder
in Dynamic Mode. If you press
this button again, the default
mode (compressed) resumes. The
LEDs on the lower half of the
Decoder Amplifier light up
momentarily.
(This function is only available
on the Remote Control)
Dolby Digital
Dolby Digital (earlier called AC-3)
delivers five discreet full-range
channels (left front, center, right
front, left surround and right
surround) plus a separate Low
Frequency Effects (LFE) channel.
Many soundtracks on the latest
generation laser discs, DVDs and
High Definition Television (HDTV),
are encoded with Dolby Digital
technology.
When a 5.1-channel Dolby Digital
program source is playing, such as
from a Creative PC-DVD player, DVD
player or game console, the Dolby
Digital indicator light will illuminate
automatically.
Note
: Not every section of a DVD
will be 5.1-channel encoded. On
many DVDs, only the main movie
program will be available in 5.1-
channel sound. Other supporting
chapters (like a “Director’s Comment”
section) may be in stereo or mono.
These sections will not light the
Dolby Digital indicator even though
the sound will be properly reproduced
by the
DTT3500 Digital
.
Dolby Pro Logic
Dolby Surround is an earlier surround
sound standard which is decoded
with a Pro Logic processor in the
DTT3500
Digital. The Pro Logic
steering circuitry derives separate
center and rear channels from
encoded stereo program sources.
Pro Logic processing provides a
convincing movie soundfield when
the material is specifically encoded
for Dolby Surround. Most older stereo
movie soundtracks will only be
encoded for Dolby Surround, even
though the program source may be a
DVD’s digital output. Most DVDs
containing Dolby Surround program
material will cause both the Dolby
Digital and Dolby Pro Logic lights to
illuminate.
DTT3500 Digital
will
decode these digitally transferred
Dolby Surround programs through
the digital Pro Logic decoder
automatically.
Surround Reference