This unit incorporates a Dolby Digital decoder and a Dolby Pro Logic Surround decoder for multi-channel sound reproduction of
sources encoded with Dolby Surround. The operation of these decoders can be controlled by selecting a corresponding DSP
program including the combined operation of YAMAHA DSP and Dolby Digital or Dolby Pro Logic Surround.
To enjoy a video source with the Dolby Pro
Logic Surround or Dolby Digital decoded
When you select the program DOLBY PRO LOGIC/DOLBY
DIGITAL, DOLBY PRO LOGIC ENHANCED/DOLBY DIGITAL
ENHANCED or 70 mm MOVIE THEATER/DIGITAL MOVIE
THEATER, 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
* The following indicators on the display show you what sound
processing is being made.
Lights up when the Dolby Digital is being decoded and the
input signals of selected source encoded with Dolby Digital is
not in 2-channel.
Lights up when the digital sound field
processor is turned on.
Lights up when the Dolby Pro Logic Surround is being
* In addition, for the program DOLBY PRO LOGIC/DOLBY
DIGITAL, DOLBY PRO LOGIC ENHANCED/DOLBY
DIGITAL ENHANCED or 70 mm MOVIE THEATER/DIGITAL
MOVIE THEATER, the name of the program on the display
will change according to the type of decoding. (For details,
see page 29.)
If the input signals of the source are encoded with Dolby Digital
in 2-channel only, the sound processing for them is similar to
that for analog or PCM audio signals.
To cancel the effect sound
EFFECT on the front panel and EFCT ON/OFF on the remote
control transmitter 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 EFFECT or EFCT ON/OFF. Press EFFECT or EFCT
ON/OFF once more to turn effect sound on.
• If the effect sound is canceled when signals encoded with
Dolby Digital are input to this unit, signals of all channels are
mixed and are output from the main speakers.
• If EFFECT or EFCT ON/OFF is pressed to turn effect sounds
off when the Dolby Digital is decoded, it may happen that the
sound is output faintly or not output normally depending on
the source. In that case, press EFFECT or EFCT ON/OFF to
turn effect sounds on, or use input signals not encoded with
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