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Yamaha DSP-A2 Owner's Manual Page 44

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BASIC OPERATION
To enjoy a video source encoded
with Dolby Pro Logic Surround,
Dolby Digital or DTS
When you select the program No. 10, 11 or 12, and the input
signal of the source is 2-channel stereo, Dolby Pro Logic
Surround is decoded. When some program is selected and the
input signal of the source is encoded with Dolby Digital, Dolby
Digital is automatically decoded.
When some program is selected and the input signal of the
source is encoded with DTS, DTS is automatically decoded.
The following indicators on the display panel show you what
sound processing is being made.
3
4
5
1
Lights up when a DVD source encoded with DTS is played
back and DTS is decoded.
2
Lights up when an LD source or a CD source encoded with
DTS is played back and DTS is decoded.
3
Lights up when Dolby Digital is being decoded and the
signals of selected source encoded with Dolby Digital is
not in 2-channels.
4
Lights up when Dolby Pro Logic Surround is being
decoded.
5
Lights up when Digital Sound Field Processor is turned
on.
The display panel or the monitor screen will show the selected
subprogram according to the type of the decoding.
Notes
Dolby Digital will not be decoded if the source that is not
encoded with Dolby Digital.
DTS will not be decoded if the source that is not encoded
with DTS.
If the input signals of source encoded with Dolby Digital
are in 2-channels only, the sound processing for them is
similar to that for analog or PCM audio signals.
3
The indicator
will also light up when the input mode is set
to "D.D.RF" even if no signal encoded with Dolby Digital is
input to this unit.
42
1
2
DIGITAL
PRO LOGIC
DSP
DIGITAL SOURCE
AC 3 DTS PCM
Note
If you change the LD (or CD) being played back with DTS
decoded to another disc not encoded with DTS when the red
"dts" indicator is illuminated, playing back the newly selected
disc will output no sound. In this state, the red "dts" indicator
flashes to show that this unit is locked in the DTS-decoding
mode.
To play back the disc normally, change the current DTS-
decoding mode to another mode by pressing an input selector
key on the remote controller or the INPUT MODE button on
the front panel so that the red "dts" indicator turns off.
To cancel the effect sound
The EFFECT button on the front panel or the EFFECT ON/OFF
key on the remote controller make it simple to compare the
normal stereo sound with the fully processed effect sound.
To cancel the effect sound and monitor only the main sound,
press the EFFECT ON/OFF key or the EFFECT button. Press
the EFFECT ON/OFF key or the EFFECT button a second time
to restore the effect sound.
Front panel
EFFECT
Notes
If the effect sound is canceled when signals encoded with
Dolby Digital or DTS are input to this unit, signals of all
channels are mixed and are output from the main speakers.
If the EFFECT button or the EFFECT ON/OFF key is pressed
to turn effect sounds off when Dolby Digital or DTS is
decoded, it may happen that sound is output faintly or not
output normally depending on a source. In that case, press the
EFFECT button or the EFFECT ON/OFF key to turn effect
sounds ON, or use input signals not encoded with Dolby
Digital or DTS.
If the EFFECT button or the EFFECT ON/OFF key is
pressed to turn effect sounds off, some information is shown
on the display panel depending on the type of the current
digital input signals. When Dolby Digital is decoded, for
example, the sampling frequency and channel formation of
the decoded signal is shown on the display panel.
ex.)
EFFECT OFF
fs=48k
Sampling frequency is
48 kHz.
* If the input source is a Dolby Digital KARAOKE source, "K"
is shown at the head of channel formation.
Remote control
EFFECT
ON/OFF
or
in : 3/2
Three channels at the front
Two channels at the rear

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