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Mode Adjust Lexicon
5-44
LISTENING MODE MENU OPTION & PARAMETER DESCRIPTIONS (continued)
SURROUND DLY 0 to 15ms
Increases the perceived depth of the listening space by delaying the
arrival time of signals from the side and rear speakers. It is recom-
mended that you increase the setting when a greater sense of
depth is desired in the listening space. Available in DPLII MUSIC and
DPLIIx MUSIC modes.
SURROUND EX AUTO, ON, OFF
Controls the THX Surround EX decoding feature, which can be used to
extract a rear channel from 5.1-channel Dolby Digital sources. When
ON is selected, THX Surround EX decoding is engaged for all
5.1-channel Dolby Digital sources. When OFF is selected, THX
Surround EX decoding is not engaged for all 5.1-channel Dolby Digital
sources. Available in THX ULTRA2, THX SurEX, and THX modes.
When AUTO is selected, THX Surround EX decoding is engaged
when a flagged 5.1-channel Dolby Digital source with THX
Surround EX encoding is detected. THX Surround EX decoding is
not engaged when a non-flagged 5.1-channel Dolby Digital source
with or without THX Surround EX encoding is detected.
Note:
The MC-12 cannot automatically detect THX Surround EX encoding in
non-flagged 5.1-channel Dolby Digital sources. A non-flagged input
source does not include information in the input signal that identifies THX
Surround EX encoding.
THX Surround EX listening modes are available when Dolby Digital
Surround EX decoding is engaged. THX or THX ULTRA2 listening
modes are available when THX Surround EX decoding is not
engaged. Refer to the 5.1 THX ULTRA2, 5.1 THX SurEX, & 5.1 THX
listening mode descriptions that begin on page 5-18, the DTS THX
ULTRA2 & DTS-ES THX listening mode descriptions that begin on
page 5-26, or the 5.1a THX ULTRA2, 5.1a THX SurEX, & 5.1a THX
listening mode descriptions that begin on page 5-29 for more
information.
Note the following:
• The SURROUND EX parameter AUTO setting is not available for
the 5.1a THX listening modes.
• Toggling the SURROUND EX parameter setting produces low
level clicks in the front speakers.
• THX Surround EX decoding cannot be engaged unless both
side and rear speakers are present.
• When the Shift command bank is activated, pressing the
remote control THX button while a 5.1-channel Dolby Digital
source is present activates the 5.1 THX ULTRA2, 5.1 THX SurEX,
or 5.1 THX listening mode. Subsequent presses adjust the
SURROUND EX parameter, cycling through the AUTO, ON,
and OFF settings.
• When the Shift command bank is activated, pressing the
remote control THX button while a 5.1-channel analog source
is present activates the 5.1a THX ULTRA2, 5.1a THX SurEX, or
5.1a THX listening mode. Subsequent presses toggle the
SURROUND EX parameter between the ON and OFF settings.
SURROUND MIX -5 to +5dB
Controls the relative level of surround channel information sent to the
audio output connectors labeled Front L/R. It is recommended that
you set this parameter to +2dB or +3dB for all input sources. Available
in 5.1 2-CHANNEL, DTS (ES) 2-CHAN, and 5.1a 2-CHANNEL modes.