Aiwa AV-D25 - Manual (Page 14)

DOLBY SURROUND
This unit is equipped with the Doiby Pro Logic decoder and aiso
supports the Doiby Digitai decoder with the 5.1 ch output
terminais.
The unit and the center and surround speakers (standard) assure
fuii-scaie home theater sound. When piaying back discs or video
software that have been recorded in Doiby Pro Logic or Doiby
Digitai Surround, astonishingiy reaiistic sound surrounds the
iistener to create a new ievei of audio/visuai entertainment,
independent controi of the five channeis aiiows the iistener to
enjoy the same type of sound reproduction experienced in movie
theaters. Voices are reproduced in the front and center sound
fieid, whiie ambient sounds iike cars and crowds are reproduced
on aii sides of the iistener for an incredibiy iifeiike audio/video
experience. Piease read the foiiowing carefuiiy to “tune” the
system’s output to match the characteristics of your iistening
space.
Check the following:
• Before enjoying the DOLBY SURROUND sound, adjust the
proper balance of the speaker sound levels (see page 14).
• Make sure the speakers are properiy connected and positioned
(see pages 3, 4 and 5).
• Make sure the TV set and video unit are properiy connected
(see page 3). ‘
• Make sure the disc and video tape, etc., support Doiby Pro
Logic or Doiby Digitai Surround.
SELECTING DOLBY PRO LOGIC
The optimai Doiby Pro Logic mode depends on the type and
piacement of the speakers, it is recommended that the optionai
Aiwa speakers shouid be used for aii channeis, for exampie, the
SX-R1200 for surround speakers, the SX-C1200 for a center
speaker and the SX-AV1200 for front speakers. Check your
current type and piacement of the speakers and seiect the
recommended Doiby Pro Logic mode accordingiy.
The recommended mode
TO SELECT A DOLBY PRO LOGIC MODE
Center speaker
Larger-size Smaller-size No speaker
Surround speaker
(Rear speaker) DOLBY PRO
LOGIC-WIDE
DOLBY PRO
LOGIC-NORMAL
PHANTOM
No surround
speaker
3 STEREO­
WIDE
3 STEREO­
NORMAL
-
PHANTOM mode: Seiect this mode when the center speaker is
not connected. Aii center channei signais are redistributed to
the ieft and right channei speakers.
3 STEREO mode: Seiect this mode when the surround speakers
are not connected.
Press the DOLBY SURROUND button repeatedly
to select the appropriate mode.
When seiecting the DOLBY PRO LOGiC or 3 STEREO mode,
the indicator iights up, and the seiected mode name runs
through on the dispiay. Each time the button is pressed, the
mode changes as shown beiow.
I DOLBY PRO logic ]
r
DOLBY PRO LOGIC- -> 3 STEREO —
DOLBY PRO LOGIC OFF(cancel) ■*-
2 Press the DOLBY SURROUND button again and
hold it down untii the center speaker mode to be
seiected appears.
When selecting the DOLBY PRO LOGIC mode in step 1:
“NORMAL”, “WIDE” and “PHANTOM” appear in turn.
When selecting the 3 STEREO mode in step 1:
“NORMAL’ and “WIDE” appear one after the other.
> Depending on the sound source or listening condition, surround
effect may not be obtained even when the Dolby Pro Logic is
set to on.
' The full Dolby Pro Logic effect cannot be obtained when using
the software without mark. In this case, use
the DSP surround system instead (see page 8).
' The Dolby Pro Logic system is automatically canceled:
- when the DSP system is turned on
- when the 5.1 CH function is selected
- when headphones are plugged in
' The Dolby Pro Logic cannot be set to on while headphones
are plugged in.
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