Yamaha RX-V661 User Manual

■ Selecting decoders used with sound 

Use this feature to select the desired decoder used with 
MOVIE sound field programs (except “Mono Movie”). 
See page 45 for details about MOVIE sound field 
program.

■ Selecting decoders for 2-channel 

Use this feature to play back sources with selected 
decoders. You can play back 2-channel sources on multi-
channels.

Set the operation mode selector to K

AMP and 

then press Q

SUR. DECODE repeatedly on the 

remote control to select the desired surround 
decoder.
You can select from the following modes depending on the 
type of source you are playing and your personal 
preference.

y

You can change the decoder parameter settings. Press DISPLAY 
and then Dk / n repeatedly on the remote control to select the 
desired decoder parameter. You can change the value of the 
selected parameter by pressing Dl / h repeatedly on the 
remote control.

2ch Stereo

DIRECT

2-channel stereo direct. Bypasses the decoders and the DSP processors of this unit for pure hi-fi 
stereo sound when playing 2-channel analog sources.

Choices: AUTO, OFF

y
• Select “AUTO” to bypass the decoders, the DSP processors and the tone control circuitry only 

when “BASS” and “TREBLE” are set to 0 dB (see page 48).

• Select “OFF” not to bypass the decoders, the DSP processors and the tone control circuitry 

when “BASS” and “TREBLE” are set to 0 dB.

• When multi-channel signals (Dolby Digital and DTS) are input, they are downmixed to 2 

channels and output from the front left and right speakers.

• The low-frequency signals input from the front left and right speakers are redirected to the 

subwoofer in the following cases:
– “LFE/BASS OUT” is set to “BOTH” (see page 72).
– “FRONT SP” is set to “SMALL” (see page 73) and “LFE/BASS OUT” is set to “SWFR” 

7ch Stereo

CT LEVEL
SL LEVEL
SR LEVEL
SB LEVEL
PL LEVEL
PR LEVEL

7-channel stereo center, surround left, surround right, surround back, presence left and presence 
right levels. Adjusts the volume level of each channel in the 7-channel stereo mode. The 
available parameters differ depending on the setting of the speakers.

Control range: 0 to 100%

2ch Enhancer
7ch Enhancer

2-channel and 7-channel Compressed Music Enhancer effect level. The high-frequency signals 
of some sources may be emphasized too much. In this case, set the effect level to “LOW”.

Choices: HIGH, LOW

• Select “HIGH” for a high effect level.
• Select “LOW” for a low effect level.

PRO LOGIC

Dolby Pro Logic processing for any 
sources

PLIIx Movie
PLII Movie

Dolby Pro Logic IIx (or Dolby Pro 
Logic II) processing for movie 
sources. The Pro Logic IIx decoder 
is not available when “SB L/R SP” 
is set to “NONE” (see page 73).

Neo:6 Cinema

DTS processing for movie sources