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ADVANCED FUNCTIONS
2. A BACK TO SURROUND SELECT line, which may be used to exit the
submenu.
The Dolby Surround submenu adds some advanced settings.
Dolby Surround Settings
In addition to the MODE line, the DOLBY SURROUND submenu includes
three settings that are active only when the Dolby Pro Logic II or IIx
Music mode has been selected. See Figure 79.
Figure 79 – Dolby Surround Menu Screen
CENTER WIDTH:
This setting affects how vocals sound through the
three front speakers. A higher number (up to 7) focuses the vocal infor-
mation tightly on the center channel. Lower numbers broaden the vocal
soundstage across the three speakers.
DIMENSION:
This setting affects the depth of the surround presenta-
tion, allowing you to “move” the sound toward the front or rear of the
room. The setting of “0” is a neutral default. Setting “F-3” moves the
sound mostly toward the front of the room, while setting “R-3” moves
the sound mostly toward the rear.
PANORAMA:
With the Panorama mode turned ON, some of the sound
from the front speakers is moved to the surround speakers, creating an
enveloping “wraparound” type of effect.
NIGHT MODE:
Night mode is available with some Dolby Digital programs,
if it has been encoded in the material. It compresses the peak sound
levels, maintaining the intelligibility of the dialogue and quieter passages,
while reducing the loudness of special effects and louder passages to
avoid disturbing others. Three levels of compression are available:
OFF:
At this setting, there is no compression, as the Night mode is
deactivated.
MID:
A mild compression is applied.
MAX:
More compression is applied.
We suggest that you experiment with the modes to find a setting that
meets your needs.
The Night mode may also be adjusted without using the full-OSD menu
system. With a Dolby Digital program encoded with Night mode playing,
press the Night Button on the remote. Each press of the button will
cycle through the three settings, with the selected setting being dis-
played on the front panel and in the semi-OSD display.
UPSAMPLING:
The last line of the Surround Select menu activates
upsampling, only available with the Dolby Pro Logic II/IIx Movie, Dolby
Pro Logic II/IIx Music and Dolby Pro Logic modes. Normally set to OFF,
upsampling, when activated, processes digital sources at a higher reso-
lution for improved sound quality. This feature can be useful to eliminate
distortion in some low-resolution sources.
Default Modes
During initial use or after a processor reset, the AVR 245 will default to
the Logic 7 Music mode for all analog and PCM audio inputs. Subse-
quently, when a source input is selected and an analog or PCM signal is
received, the AVR will switch to the last surround mode used for that
source input/incoming signal combination.
Whenever a multichannel Dolby Digital or DTS signal is detected, the
AVR 245 will automatically switch to that mode, unless the DEFAULT SURR
MODE setting in the System Setup menu has been changed to OFF. You
may observe that other surround modes are available for use with the
multichannel digital bitstreams. If you would prefer the AVR 245 to use
one of those alternate modes any time the same digital signal is detected,
then select that mode while the multichannel bitstream is present, and
then change the DEFAULT SURR MODE setting in the System Setup
menu to OFF.
Table 6 provides descriptions of all surround modes available on the
AVR 245, along with the incoming bitstreams or signals that the particular
mode may be used with. Feel free to experiment and simply cycle
through all of the available modes at any time; you cannot cause any
problems for the AVR 245 by doing so.
NOTE:
In order to access 6.1- and 7.1-channel modes, such
as Dolby Digital EX, DTS-ES, Logic 7 (7.1 modes), DTS Neo:6
(6.1 modes), the 6-channel implementations of Hall 1, Hall 2
and Theater and 7-channel Stereo, you must enable the sur-
round back channels as explained in the Manual Setup section.
You should not enable these channels if you don’t have sur-
round back speakers in your system.
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