T+A Elektroakustik DD 1535 R - Manual (Page 19)

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Back speaker:
Setting the size and bass capability of the back
loudspeakers. The following settings are possible in each
case for one (6.1 mode) or two (7.1 mode) rear
loudspeakers:
none if no back speakers are present. The
back channels are mixed onto the left
and right surround loudspeakers.
Satellit for small back loudspeakers. The low
frequency bass signals of the back
channels (below the set transition
frequency) are mixed by the bass
manager onto other suitable loud-
speakers and, if present, the sub-woofer.
full-range if the bass reproduction of the back
speakers is very good. The full frequency
range is passed on to the surround
channels without restriction.
Notes:
If no back speakers are present, the surround mode
'Surnd EX/ES'
cannot be selected, and Dolby
Digital Surround EX and DTS ES are reproduced as
normal 5.1 sound.
If you select the setting 'none' in the menu point
'Surround loudspeakers', the back loudspeakers are
automatically switched off.
Not all combinations can be set; this is deliberate in
order to avoid senseless settings.
5.1 Surnd LS
As described under 'Surround systems - explanatory
notes', the recommended settings for 5.1 loudspeaker
sets differ from those for 6.1 / 7.1 speaker sets. To
achieve the correct surround effect the surround
loudspeakers are located behind the listener for the 5.1
set-up, whereas they should be positioned more to the
side of the listener with the 6.1 / 7.1 arrangement. For
this reason it is possible to select here whether the
surround information in the 'Surnd 5.1' mode is to be
reproduced by the surround speakers, the back
speakers, or both.
Surnd only The surround signals are reproduced
only by the surround loudspeakers.
Back only The surround signals are reproduced
only by the back loudspeakers.
Surnd+Back The surround signals are reproduced by
both the surround and the back loud-
speakers.
Note:
If only one back loudspeaker is present, the 'Back only'
setting cannot be selected.