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Auto Setup
provides the Auto Setup system as an aid to setting
up a surround system correctly. If you follow the steps
described below, the
DD 1535 R
will carry out an
automatic calibration of your loudspeakers with the help
of the calibration microphone supplied with the set.
Under normal listening room conditions this process
reliably provides optimum results.
If the calibration process is to work properly the following
conditions need to be fulfilled: an unobstructed location
for the calibration microphone close to your preferred
listening position (e. g. on the living room table, or on the
backrest of an armchair), and direct visual contact bet-
ween the microphone and each loudspeaker.
The first step is to connect the calibration microphone to
the socket marked
'MIC'
on the front panel. Now set a
normal volume for listening to the system.
To ensure that the calibration can be carried out
properly, the volume must first be set correctly. To this
end the
DD 1535 R
generates a hiss signal on the front
left channel. The screen displays the currently set
volume value in the
'
Volume
'
line, followed by the button
you need to press.
'VOL+'
means that the volume is too
low;
'VOL-'
means it is too high. Only if the display shows
'OK'
can the calibration process be initiated by pressing
the
button.
The
DD 1535 R
now carries out the automatic calibration
process. During the procedure you will hear your
loudspeakers emit various test signals. During the period
of the calibration procedure it is important that no loud
extraneous sounds should occur, as these could falsify
the results of the process.
The
'
Auto Setup
'
screen display on your TV set provides
constant information about the settings the system has
determined.
The first columns show the values determined for the set
level corrections (volume compensation). The following
two columns list the bass and treble settings, and the
final column the loudspeaker distances.
Notes:
If the calibration process was adversely affected by
extraneous noises, or if for any other reason the
calibration process produces implausible results, note
that the procedure can be re-started at any time.
The distances determined by the Assistant are cal-
culated on the basis of acoustic delay times. They may
be slightly different from the geometric distances due to
signal delays in your loudspeakers.
If the automatic calibration procedure produces incorrect
results due to difficult acoustic conditions in your
listening room, we suggest that you should first attempt
to achieve better results by varying the microphone
position and / or the volume setting.
If this also fails to produce good results, the automatic
calibration process is not suitable for your conditions. In
this case you should set up the loudspeakers manually
using the
'
Loudspeaker Menu
'
.