Playing Dolby Surround Sound - Aiwa NSX-DS50 Operating Instructions Manual

Dolby Digital sound and Dolby Pro Logic sound can only
be obtained when playing back software with their respective
Ogos.
Make sure all the supplied speakers are placed and
connected properly (see "Positioning the speakers'),
lake sure the video equipment can play back the particular
medium of the Dolby Digital or Dolby Pro Logic software
(LDs or DVDs, for example). Consult the operating
instructions for the equipment. You cannot play DVDs on
he unit's CD player.
e External digital input of this unit accepts Dolby Digital
bitstream signals, or linear PCM signals with a sampling
frequency of 32 kHz, 44.1 kHz or 48 kHz. This unit cannot
play software whose sampling frequency is 96 kHz.
© Some DVD players connected digitally to this unit may cause
noise during some DVD operation such as when searching
a disc, skipping a chapter, etc.
¢ This unit does not support the DTS Digital Sound system.
Playing Dolby Surround sound
Playing Dolby Digital sound
For software with the DOe8¥] fogo.
1 Select digital input. (See "Playing a digital source")
The "BIGITAL!' indicator lights up on the display.
2 Play the Dolby Digital source on the video
equipment.
The "DODIGITAL" indicator lights up on the display.
¢lf Dolby Digital software is played back via the analog
connection, the sound will be in Dolby Pro Logic.
¢ Dolby Digital mode is automatically changed to 2CH ST
mode (see below) when the headphones are plugged in.
Playing Dolby Pro Logi in
For software with the DI (pousy surrounn] jogo,
1 Select analog input. (See "Playing an analog
source')
2 Play the Dolby Pro Logic source on the video
equipment.
3 Press SURROUND.
The "DOPRO LOGIC" indicator lights up on the display.
Dolby Pro Logic sound is automatically canceled when the
headphones are plugged in.
When Dolby Pro Logic is activated, the BBE system is
automatically canceled.
To cancel Dolby Pro Logic
Press SURROUND repeatedly until "OFF" is displayed.
Dolby Surround modes
Selects a Dolby Surround mode fo match the connected speaker
for playing Dolby Digital and Dolby Pro Logic sound
Press SURROUND repeatedly to select one of the
following modes.
- NORMAL: When all speakers are connected.
- PHANTOM: When the center speaker is not connected. The
center channel signals are output through the front speakers.
- 3 STEREO: When the surround speakers are not connected.
The rear channel signals are output through the front
speakers.
- 2CH ST (Dolby Digital) or OFF (Dolby Pro Logic): When
neither the center nor the surround speaker units are
connected. When 2CH ST mode is selected, "STEREO"
appears on the display.
¢ Dolby Digital modes can only be selected when a Dolby
Digital source is being played via digital connection.
eWhen playing 2-channel Dolby Digital sound that is not
Pro Logic encoded, Dolby Pro Logic is activated in stead of
Dolby Digital.
To display the current Dolby Surround mode
Press SURROUND once.
The mode will be displayed for 4 seconds.
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