Aiwa AV-DV70 Operating Instructions Manual page 18

ADJUSTING DOLBY DIGITAL
SURROUND SOUND
MANUAL
SEL/Z2T
DOWN
UP-
ADJUSTING LOW FREQUENCY SOUND
EFFECT(LFE)
The
disc recorded in Dolby Digital Surround contains special
signals called LFE to enhance low frequency sound effect. The
LFE signals are recorded in some particular parts on the disc
and output from the connected sub-woofer to reproduce
astonishingly powerful low sound.
The sound level of the LFE signals can be adjusted according to
your speakers connected while the Dolby Digital Surround is
activated.
1
2
Press the
UPA
or DOWNT button and hold it
down until "LFE" is displayed.
Press the UPA or DOWNY button repeatedly to
adjust the LFE level.
The unit is initially set to O dB (maximum) and can be adjusted
as shown below.
OFF _ -20dB _ -lOdB _
OdB
When not using a sub-woofer
While the Dolby Digital Surround (except "2CH STEREO") is
activated, press the MANUAL SELECT button once so that
"SUBW ON" is displayed. Then, press the
UPA button within 4
seconds to display "SUBW OF F." The LFE signals are
redistributed to the other speakers.
To restore, press the MANUAL SELECT button once so that
"SUBW OFF is displayed, then press the DOWNV button to
display "SUBW ON."
m
When setting the sub-woofer mode of the Dolby Digital Surround
to "SUBW OFF: that of the Dolby Pro Logic is also set to "SUBW
OFF: and vice versa. In this case, the sub-woofer signals are
redistributed to the other speakers.
ADJUSTING DYNAMIC RANGE
Dynamic range of the Dolby Digital Surround sound can be
adjusted. The unit is initially set to the "STD" (standard) mode.
1 While the Dolby Digital Surround is activated,
press the SET button and hold it down until "MID
NIGHT THEATER" runs through on the display.
2 Press the UPA or DOWNY button to select the
"MAX;' "STD" or "MIN" mode.
MIN _ STD ~ MAX
[MIN]
You can enjoy the full dynamic range sound like in the movie
theater,
[STD]
Original position, when playing back in home, that is
recommended by the software producers.
[MAX]
Select this mode when playing back at low volume. This is
the mode when playing back in the mid night.
17
ENGLISH