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To enjoy Surround mode
The HT-R490’s surround sound enables you to enjoy the presence
of a movie theater or concert hall in your room.
Before using a surround mode, make sure the speaker setup has
been set (refer to page 21).
The configuration of the speakers are very important for the
surround sound. Refer to “Positioning speakers” on page 16 and
“Connecting speakers” on page 17.
Surround modes
DOLBY DIGITAL Surround, DTS (Digital Theater
System) Surround
This 5.1-channel digital surround format enables you to individually
record and play five full-range (20 Hz-20 kHz) channels (left and
right front, center, two surround channels) plus an LFE channel
(Low Frequency Effect) for the low-range effect sound. It will create
a realistic sound that could be heard in the theaters and concert halls.
DOLBY DIGITAL: Select this option when you play a DVD
video that has a mark.
DTS: Select this option when you play a DVD player, laser disc,
or CD that has a
mark.
DOLBY PRO LOGIC II surround
This is a 5-channel surround system of a new generation, casting a
bridge between the previous 4-channel (Left/Right Front, Center
and monaural surround channels) Pro Logic surround and 5.1-
channel Dolby Digital surround. Dolby Pro Logic II provides the
MOVIE mode optimized for viewing movies and the MUSIC
mode optimized for listening to music. In the MOVIE mode, the
surround channel, which has been monaural and based on narrow
band, is reproduced in stereo so that the feeling of movement in the
played movies is more enhanced. In the MUSIC mode, the
surround channel reproduces natural sound field even with 2-
channel music sources.
The MOVIE mode allows you to enjoy VHS and DVD software
carrying the
marking as well as some of TV broadcast
programs. The MUSIC mode allows you to enjoy stereo music
from CD, etc.
Analog/PCM (Pulse Code Modulation) surround
Analog sources include the audio records, AM/FM broadcasting
and cassette tapes. The PCM (Pulse Code Modulation) signal is a
kind of digital audio signal, which is recorded directly on CD or
DVD without being compressed. When an analog or PCM source
is played, you can enjoy unique surround modes to Onkyo as listed
below.
ORCHESTRA: This mode is suitable for classics and opera
music. The center channel is cut and the
surround channels are emphasized to widen the
stereo image. It will simulate a natural
reverberation that can be created in a large hall.
UNPLUGGED: This mode is suitable for acoustic instrumental
sounds, vocals, and jazz music. By
emphasizing the front stereo image, it will
simulate the acoustics in front of the stage.
ALL CH ST: This mode is useful for background music. The
front and surround channels will create a stereo
image.
Notes on DTS
• If you play a CD or LD that supports DTS when the
“ANALOG” setting is selected on the HT-R490, the DTS
encoded signal will not be decoded and noise will be output.
This noise could damage the amplifier and speakers.
Therefore, be sure to select “AUTO” and use the DIGITAL
INPUT jacks (OPTICAL/COAXIAL) to connect the DTS
source. (Refer to “Setting the input signal format” on page 23.)
• If you play a CD or LD that supports DTS when the “AUTO”
setting is selected, you may hear a noise for a short while until
the DTS decoder recognizes the DTS encoded signal and starts
operating. This is not a malfunction.
• If you press the pause or skip button on the player while
playing a DTS source, a short noise may be heard. This is not a
malfunction.
• The DTS indicator on the HT-R490 lights up while it plays the
DTS source. When playback concludes and the DTS signal
transmission stops, the HT-R490 remains in DTS mode and
the DTS indicator remains lit. This prevents noise when you
operate the pause or skip button on the player. Therefore, if the
source switches from the DTS signal to the PCM signal
immediately, the PCM signal may not be played. In this case,
stop the playback of the source on the player for about 3
seconds, then resume playback.
• Some CD players and LD players may be unable to play DTS
sources correctly even if you connect the player to the
HT-R490 digitally. This is because the digital signal has been
processed (such as the output level, sampling frequency,
frequency response, etc.), and the HT-R490 cannot recognize
the signal as DTS data. Therefore, you may hear noise when
you play a DTS source while processing the signal.
• The TAPE OUT or VIDEO 2 OUT jacks of the HT-R490
output analog audio. Do not record CDs or LDs that support
DTS using these jacks. Otherwise, you will record a DTS
encoded signal as noise.