Revox Network Card MK3 User Guide

of Switzerland  
of Switzerland  
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5.1 Decoder Module  
MK3  
Dominating Entertainment.  
Revox of Switzerland.  
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5.1 Decoder Module 3  
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Contents  
5.1 Decoder Module  
Installation  
3
4
5.1 Decoder connections  
Line outputs  
5
5-6  
Digital inputs  
Edit source name  
6
7
5.1 Decoder menu  
8
8
9
Room sound programs  
Sound field description  
Stereo-Pure Analogue  
11  
Amplifier Sub-menu  
A) Level setting  
12  
12  
13  
13  
14  
14  
15  
Adjusting the Subwoofer  
Level resetting  
B) Bass and treble  
C) Dynamic range  
D) Lipsync Delay  
Setup Amplifier  
16  
16  
Speaker configuration  
1 Large  
2 Small  
17  
3 None  
18  
Speaker settings  
19  
Subwoofer settings  
Adjusting volume  
Speaker distance  
19-21  
21-22  
23-24  
25  
Adjusting amplifier power  
Technical data  
Notes  
Guarantee  
26  
27  
27  
2
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5.1 Decoder Module 3  
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5.1 Decoder Module  
The 5.1 Decoder module forms  
the core of the M51’s audio  
processing with all functions,  
which the puristic Stereo and  
the inspired home cinema  
listener expects. It monitors and  
controls all the audio signals; it  
generates all the home cinema  
signals and sends them on to  
the outputs.  
The 5.1 Decoder Module  
handles the conversion of the  
symmetrical analogue signals in  
ultra-linear stereo operation.  
From here, it also goes through  
gold-coated silver contact relays  
to the output stages.  
A further task, which the  
5.1 Decoder Module handles is  
the connection of three digital  
sources. In this case, you can  
either feed the digital signals in  
using an optical fibre or coax  
cable.  
You can use all normal audio  
formats such as Dolby  
Surround, Dolby Pro Logic II,  
Dolby Digital, DTS or MPEG  
with the 5.1 Decoder Module,  
naturally in high resolution 24  
bit as well.  
L Important  
These signals are also made  
available to external devices  
through 6 cinch sockets.  
The 5.1 Decoder module plays  
a very significant role for the  
whole system. Since it  
represents the Audio Control  
Centre, the system will not  
operate without the decoder  
module.  
Additionally, using the Lipsync  
function, a time delay of up to  
170 ms can be defined for the  
audio signal.  
3
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5.1 Decoder Module 3  
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Installation  
The 5.1 Decoder plug-in card  
has the most modern  
technology on it and should be  
handled with care.  
To be on the safe side, you  
should discharge any static  
from yourself by touching an  
earthed metal object such as a  
radiator.  
Before you start to install the  
card, the M51 must be switched  
off and the power plug must be  
removed from the power socket.  
Remove the decoder module  
from its packaging and insert it  
into the slot position, using the  
two tracks within the M51 to  
guide it into position. The  
Slot 7 is reserved for the  
Decoder module, right next to  
the speaker connections. No  
other module should be plugged  
in to this slot because this  
provides the shortest possible  
signal route to the outputs.  
lettering on the card must be at  
the top. Just before the card is  
fully inserted, you will feel a  
certain mechanical resistance  
as the card meets the M51  
contact strip. Push the card fully  
home by pushing in the area  
where the 2 screw holes are  
located and fix it in place with  
the two screws.  
Loosen the two screws with the  
TORX screwdriver supplied and  
remove the slot blanking plate.  
Before removing the Decoder  
module from its packaging,  
make sure that you are not  
charged with any static  
electricity. This could cause a  
damaging power discharge  
when you touch the module.  
All further steps needed to  
integrate the new module into  
the M51 will be carried out  
automatically next time the unit  
is switched on.  
4
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5.1 Decoder Module 3  
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5.1 Decoder connections  
Line outputs  
The 5.1 Decoder offers 6 line  
outputs where audio signals are  
available in 5.1 format. The  
following is an overview of the  
individual signals:  
REVOX  
DIGITAL  
IN  
3
OUTPUT L  
Line output for the left-hand  
front channel  
1
L
2
OUTPUT R  
Line output for the right-  
hand front channel  
OUT  
PUTS  
R
3
SUB  
Line output for the active  
subwoofer  
CEN-  
TER  
SUB  
L
CENTER  
Line output for the centre  
channel  
R
SURROUND  
SURROUND L  
Line output for the rear left-  
hand surround channel  
SURROUND R  
Line output for the rear  
right hand surround  
channel  
5
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5.1 Decoder Module 3  
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Digital inputs  
These line outputs are used to  
supply external outputs. In the  
same way, active speakers can  
be connected. In Home cinema  
operation, the active subwoofer  
is principally controlled by the  
SUB output.  
The 5.1 Decoder Module can  
play back digital sources such  
as a CD, MD or DAT player  
using the three digital inputs  
DIGITAL IN 1-3. You should  
connect the external devices to  
the 5.1 Decoder Module using  
either a Cinch cable (Digital IN  
1/2 input / Softkey Coaxial 1/  
Coaxial 1) or with a fibre-optic  
cable with a TOSLink plug  
(Digital IN 3 input/ Softkey  
Optical).  
The level of the 6 line outputs is  
controlled synchronously to the  
total volume.  
L
Active loudspeakers are  
speakers with integrated  
outputs which don't need any  
amplifier.  
The external digital sources are  
activated with the softkeys in  
the Source menu:  
L
The line outputs are not muted  
during headphone operation.  
-
-
-
Optical  
Coaxial1  
Coaxial2  
The externally connected digital  
sources are not available at the  
REC OUT output. They also  
can't be used in neighbouring  
rooms in Multiroom operation.  
6
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5.1 Decoder Module 3  
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Edit function  
Edit source name  
You will move to the following  
menu display by pressing the  
Edit Name softkey.  
The 5.1 Decoder Module offers  
you the option to select your  
own name for the inputs. In this  
way, you no longer have to  
remember which external  
device you have connected to  
which input. You can label it  
accordingly.  
Select the digital source in the  
SOURCE menu whose name  
you want to change.  
The following Edit functions are  
available:  
You call this function by  
pressing the Setup button for  
approx. 2 seconds and then  
pressing the Source softkey.  
The softkey Cursor moves  
the [ ] cursor to the left.  
The following display appears:  
The softkey Cursormoves  
the [ ] cursor to the right.  
The softkey Delete deletes the  
cursor at the current [ ] cursor  
position.  
The softkey Insert inserts a  
character to the left of the  
[ ] cursor.  
The softkey Store saves the  
currently displayed name and  
returns you to the source menu.  
The softkey Cancel returns  
you to the source menu without  
saving any modifications made.  
7
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5.1 Decoder Module 3  
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5.1 Decoder menu  
Room sound programs  
As the 5.1 Decoder module is  
the central unit for the processing  
of audio signals, this module  
has been assigned its own  
function key, namely the large  
key labelled as Amplifier on the  
front of the M51.  
The Amplifier button brings you  
directly into the 5.1 Decoder  
Main Menu. Here, you can  
choose between 6 Surround  
sounds and an ultra-lineal  
stereo playback:  
Movie  
Music  
Matrix  
Spatial  
X-Stereo  
Stereo  
L
The five large buttons on the  
front of the M51 are shown as  
Setup Source Amplifier  
Power Disc  
The individual programmes can  
be selected by pressing the  
corresponding softkey and each  
programme can be set  
in the following chapters.  
individually for each source.  
The inner part of the display  
shows a graphic of up to 5  
speakers, including seating  
positions. The speakers which  
are activated by the individual  
programs are shown dark; the  
deactivated speakers are  
shown light.  
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5.1 Decoder Module 3  
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Sound field description  
Pro Logic II is a further  
development of Dolby Pro Logic  
and was developed especially  
for the surround-sound  
playback of pure stereo  
sources, alongside the other  
well-known decoding of Pro  
Logic sound material (mainly  
films).  
When you play a DVD, whether  
using the M51's internal drive or  
an external device over DIGITAL  
IN, the 5.1 audio format that the  
DVD requires is automatically  
selected. These are:  
Dolby Digital, DTS, MPEG  
In this case, all other surround  
sound programmes are blocked.  
With Pro Logic II, this part  
handles the Music sound field,  
with the freely definable  
parameters Center Width,  
Dimension and Panorama.  
Through this, you get a realistic,  
enveloping sound, which you  
would expect from 1 5.1  
Channel System. It greatly  
enriches the usual stereo sound  
that you get from the Dolby  
Digital multi-channel system.  
Movie  
The Movie mode has been  
optimised for use with films or  
programmes with a sound track  
in Dolby Surround. It is also  
suitable for video games. Movie  
mode has all the important  
properties of Pro Logic, while  
the Stereo Surround outputs,  
which cover the whole  
Surround  
With this setting, the 5.1  
Decoder always adapts itself to  
the current audio format of the  
selected source. This setting is  
recommended for use with Pro  
Logic quality television films,  
which are being shown in your  
living room with the original  
studio mix.  
frequency range, give you a  
sound experience that much  
more closely resembles the  
quality of Dolby Digital.  
9
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5.1 Decoder Module 3  
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Center Width  
Music  
This parameter allows you to  
define the centre settings,  
allowing you to choose to hear  
the centre range just from the  
Center speaker, to hear it as a  
"phantom centre" using the right  
and lefthand speakers or to set-  
up a combination of all three  
speakers.  
With pure stereo music  
recordings, the Music mode  
delivers a new level of live  
atmosphere, which satisfies the  
most discerning listener. You  
can set up every conceivable  
combination of settings using  
the Center Width, Dimension  
and Panorama parameters.  
Depending on the requirements  
of your living room, you can  
choose, for instance, to have a  
partial mixture of the three front  
speakers or a wider or more  
compact sound picture.  
The choice of parameters is  
made through the second Menu  
page of Music.  
Dimension  
This parameter allows you to  
position the sound field more to  
the back or to the front. This  
enables you to get a better  
balance between the speakers  
with different recordings.  
Panorama mode  
This mode widens the output  
from the front speakers. In  
combination with the surround  
boxes, this gives you a  
fascinating and enveloping  
effect with those sounds that  
are located at the edges of the  
sound picture.  
10  
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5.1 Decoder Module 3  
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Matrix  
Stereo  
This parameter primarily  
increases the surround  
effect for programmes  
sources recorded in stereo  
sound, by using an elaborate  
Dolby Matrix decoder.  
Additionally, it is possible to  
listen to music in pure stereo  
with out the influence of any  
room sound program. In the  
lower display field this is  
indicated with  
.
In this case, the audio cables  
are connected directly to the  
outputs on an ultra linear  
amplifier path.  
Spatial  
This is a living sound picture,  
which was developed in the  
Revox sound studios. It  
emulates a small hall where  
you might expect to hear  
some live jazz or chamber  
music. For this reason,  
Spatial is particularly well  
suited for listening to this or  
similar music types.  
If, however, you want to modify  
the treble and bass settings in  
stereo mode, this will take you  
out of the ultra linear path.  
Playback is then done through a  
DSP as shown by the  
X-Stereo  
With this stereo sound, the  
stereo signal is also sent to  
the rear surround speakers  
but as a mirror image. This  
means that you have stereo  
reproduction between each  
pair of speaker.  
display field at the bottom of the  
screen.  
With a square layout, this  
can give a fantastic feeling  
of space.  
All surround speakers are  
deactivated in this function and  
are therefore shown as light  
symbols on the display.  
11  
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5.1 Decoder Module 3  
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A) Level setting  
Amplifier sub-menu  
The sub-menu shown below  
suggests level settings for the  
surround speakers, including  
Center and Subwoofer:  
The sound fields have different  
sub-menus where you can  
define your specific sound  
requirements. Not each sub-  
menu is available for all sound  
fields.  
A)  
B)  
C)  
D)  
E)  
The speakers can be adjusted  
to the correct volume ratio to  
the main speakers using the  
softkeys.  
This function allows you to  
make a temporary adjustment  
to the Center and Surround  
volumes. The settings are  
automatically reset as soon as  
another source is selected or  
the M51 is switched off.  
The setting for the Subwoofer,  
on the other hand is saved until  
the next modification of the  
subwoofer level or until a  
complete reset using the Reset  
key.  
You can get to the Amplifier  
sub-menu by pressing the  
menu softkey or by repeated  
pressing of the Amplifier key.  
E) Description P. 9:  
Music  
12  
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5.1 Decoder Module 3  
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A) Adjusting the Subwoofer  
Resetting the level  
Unlike the normal passive  
speakers that are connected to  
the M51 speaker outputs, active  
subwoofers have their own  
volume control.  
Level settings can be reset to  
the neutral mid-position with the  
Reset key.  
To set the correct basic volume,  
you should first bring the  
subwoofer level to the neutral  
mid-position with the Reset key.  
Then you should adjust the  
volume at the subwoofer itself to  
suit your listening position.  
L
The right basic volume setting  
for the subwoofer is achieved  
when the subwoofer doesn’t  
dominate the sound picture but  
nevertheless gives a sustained  
support to the bass tone ranges.  
Speakers, like the Center in the  
above example, which are  
deactivated in the basic  
settings, are identified by the  
text -Not Used-.  
The basic volume setting for all  
speakers is set through the  
Setup Adjusting volume menu.  
Tip: Automatic switch-on  
Many active subwoofers have a  
function that automatically switches  
the subwoofer on as soon as there  
is a bass signal with a particular  
level.  
If your subwoofer doesn’t switch on  
automatically at normal room  
volume levels, because the bass  
signal is too low, you could  
increase the level on the subwoofer  
output through the amplifier menu,  
until the auto switch-on function is  
activated. After this, of course, the  
volume at the subwoofer must be  
adjusted again.  
13  
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5.1 Decoder Module 3  
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B) Bass and treble  
C) Dynamic range  
As well as the sound field  
settings, you also have the  
option of increasing or  
With DVD playback, you can  
modify the volume dynamic  
range.  
decreasing the bass and treble  
levels in the range of ± 12dB.  
If you select the setting  
Maximum, the dynamics are  
played back in an unmodified  
form. This means that the  
quietest and the loudest  
passages maintain the whole  
level range.  
This option is only available with  
the sound fields Stereo,  
X-Stereo and Spatial.  
You can access the bass/ treble  
menu by pressing the Menu  
softkey twice:  
If you select the setting  
Standard, the dynamic range is  
cropped. This means that the  
volume in the loudest passages  
is lowered and in the quietest  
passages, it is increased. This  
is particularly useful if listening  
to DVDs later in the evening  
and you don't want to disturb  
other people in the house.  
Now with the Bass +/- and the  
Treble +/- softkeys you can  
adjust the bass and treble  
ranges respectively.  
If you press the Linear softkey,  
you will restore the neutral  
middle range settings.  
14  
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5.1 Decoder Module 3  
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D) Lipsync Delay  
You can adjust the time delay in  
steps of 5 ms using the two  
softkeys – Delay +. To do this,  
you are advised to select a DVD  
which features drums or other  
percussion instruments. This is  
the easiest way to be able to  
synchronise picture and sound  
with each other.  
Using the Lipsync Delay  
setting, you can modify the  
timing of the audio signal, to  
allow for the time delay of the  
video signal caused by the  
system. Because of the digital  
calculations required for the  
picture signal in the plasma or  
LCD screen, the sound signal  
can get ahead of the picture  
signal. This can be seen, for  
example, when the lip move-  
ments are no longer synchro-  
nous to the sound. Using the  
Lipsync function, the sound can  
also be delayed sufficiently, that  
the picture and the sound get  
back in sync.  
Lipsync in Multiroom system  
In Multiroom operation, the M51  
and the rooms in Zone 1 share  
a common audio source, i.e.  
both play the same source. This  
is particularly advantageous in  
open living areas, where the  
rooms in Zone 1 adjoin the main  
room with the M51.  
This time delay can be set in a  
range from 0 – 170 ms.  
If the M51 audio signal ex-  
periences a delay through the  
5.1 Decoder module, the M51  
will transmit its sound later than  
that in the rooms of Zone 1.  
This time delay will be per-  
ceived as an echo in the  
adjoining rooms.  
The Lipsync function appears  
as the last menu field within the  
Amplifier menu and affects all  
sources that the M51 can play.  
The Lipsync function is not  
available in the Pure Analog  
sound field.  
15  
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5.1 Decoder Module 3  
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Speaker configuration  
Amplifier Setup  
The first page in the Amplifier  
setup covers the configuration  
of home cinema speakers.  
Here, you can define which  
speakers you have connected  
and whether these are large  
speakers with the full frequency  
range or smaller speakers with  
limited bass reproduction.  
Using the Setup menu, you can  
adapt your loudspeakers to the  
optimum acoustics with the M51.  
This menu is called by pressing  
and holding the Setup key for  
some 2 seconds and then  
pressing the Amplifier key in  
the display that follows.  
There are three options for each  
speaker type that can be  
selected by repeated pressing  
of the corresponding softkey:  
Now you are in the 5.1 Decoder  
Setup menu.  
16  
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5.1 Decoder Module 3  
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1 Large  
2 Small  
The speaker receives the full  
frequency range.  
The speaker only receives  
frequencies above 80 Hz.  
This is the right setting for  
This is the right setting for smaller  
speakers, which because of their  
smaller size cannot reproduce  
frequencies under 80 Hz.  
speakers whose bass speaker  
has a diameter of at least 12cm  
and as a result can reproduce  
frequencies under 80 Hz.  
As a rule, these are small or  
satellite speakers with bass  
cones smaller than 12cm. The  
bass part below 80 Hz is not  
“lost”. Instead, it is added to the  
subwoofer or the two front  
speakers.  
Frequency response: Large  
Small speakers benefit from the  
small setting by an increased  
load capability and a non-  
distorted sound picture.  
Frequency  
80 Hz  
Frequency response: Small  
Frequency  
80 Hz  
17  
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5.1 Decoder Module 3  
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3 None  
The setting None deactivates the  
speaker output. There is no  
signal at the output available.  
This setting is selected if you  
want to work without this  
speaker. This setting is only  
available for the Center and rear  
surround speakers.  
Speakers with  
the setting None  
do not appear in  
the amplifier  
menu. In the  
above example, the Center is  
deactivated.  
18  
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5.1 Decoder Module 3  
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Speaker settings  
Main speaker  
Subwoofer  
Using the Subwoofer menu,  
you can setup the operation of  
an active subwoofer in the  
whole speaker concept.  
The settings Large, Small and  
Digital are available here.  
Optically, the status of the  
speakers is shown in the  
display with the symbol  
.
or  
Center speaker  
The Center can also be  
configured as Large, Small or  
None. With the None setting,  
the Center signal is split  
between the two front speakers.  
Optically, the status of the  
speaker is shown in the display  
with the symbol  
.
Surround speakers  
By repeatedly pressing the  
Subwoofer key, you will reach  
the menus shown where you  
can make the appropriate  
settings for your use.  
The surround speakers can also  
be configured as Large, Small  
or None. With the None setting,  
the surround signal is split  
between the two front speakers.  
Optically, the status of the  
speakers is shown in the  
display with the symbol  
.
or  
19  
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5.1 Decoder Module 3  
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Subwoofer  
Subwoofer  
Sur. and Stereo  
Surround only  
This mode is recommended if  
the active subwoofer should  
work with multi-channel  
reproduction ( DSP Spatial,  
Dolby Pro Logic, e.g.) and in  
Pure Stereo operation.  
In this mode, the subwoofer is  
only activated if a surround  
sound such as  
Matrix, DSP Spatial e.g. is  
selected.  
Movie,  
In Pure Analog operation such  
as Pure Analog, DSP Stereo or  
Digital Stereo, the sub-  
Such a setting is particularly  
beneficial if the other speakers  
can produce bass tones, but  
only within a limited range. Main  
compact or shelf-mounted  
speakers with limited bass  
reproduction belong to this  
category.  
woofer remains silent.  
This setting is ideal for the purist  
listener who likes to experience  
films and concerts on DVD with  
all six channels, including the  
subwoofer, but is happy to rely on  
just the main speakers for normal  
stereo operation such as CD or  
Phono. This assumes, of course,  
that both main speakers can  
produce the required deep base  
tones cleanly.  
20  
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5.1 Decoder Module 3  
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Subwoofer  
None  
Adjusting volumes  
The second page of the setup  
menu gives you the option of  
adjusting the volume to the  
listening position.  
This mode should be selected if  
no subwoofer is available.  
In this case, the main speakers  
must be capable of reproducing  
the deepest bass sounds. This  
is particularly necessary in the  
action scenes of DVD films in  
order to achieve the maximum  
live atmosphere.  
The layout in the centre of the  
display mirrors your listening  
area. The seating is in the  
middle with the individual  
speakers distributed around it.  
The sixth speaker with a 5.1  
system, the subwoofer, is not  
shown in this layout.  
As soon as the Noise key is  
pressed, the M51 produces a  
noise on the front left speaker  
for some 3 seconds. During this  
time, you can set up the volume  
of the noise using the rotary  
control knob.  
Quit  
To quit the Subwoofer menu,  
simply press a softkey.  
Once this time has elapsed, the  
5.1 Decoder starts the adjusting  
process itself. In this case, the  
sounds are moved in a clock-  
wise direction around the listener.  
21  
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5.1 Decoder Module 3  
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Setting the levels on passive  
speakers  
The goal  
The aim of this exercise is that  
the sound should be experienced  
at the same intensity from each  
speaker. This guarantees that  
effects, dialogue or music  
reaches the ear in the correct  
relationship.  
The signal from each individual  
speaker can be heard for about  
3 seconds. During this time, you  
can set the optimum volume in  
a range of ± 10 dB, using the  
rotary volume control or the  
remote control.  
This procedure continues until  
you press the Noise softkey  
again.  
.!. Subwoofer level .!.  
The basic subwoofer volume  
setting is not defined through  
the Noise menu, as there are  
very different recording levels,  
particularly in the case of DVDs,  
which often require an individual  
adjustment.  
The activated speaker is shown  
dark.  
This adjustment can be carried  
out simply and comfortably in  
the normal amplifier menu. You  
can reach this directly through  
the Amplifier key on the M51 or  
using the remote control.  
Please refer to the Chapter  
level setting on page 13.  
22  
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5.1 Decoder Module 3  
Re:source  
Center distance  
Speaker distances  
You can setup the centre  
Distance selection between the  
listening position and the indi-  
vidual speakers.  
speaker distance by pressing  
the Distance softkey again.  
Here, you also use the rotary  
control knob to set the distance.  
L
In order to achieve optimum  
acoustic reproduction, there  
should be a certain relationship  
between the front speaker  
distances and the centre  
speaker distance. For this  
reason, the M51 offers you  
exactly the correct range to  
make your selection from.  
The M51 offers the option to  
make sure that the acoustic  
signal reaches you at the right  
time at the listening position.  
Here, the M51 needs to know  
the exact distance from the  
speaker to the listener.  
Example:  
Selected distance:  
and  
= 4.5 m  
Optimum distance:  
= 3.0 – 4.5 m  
Main speaker distance  
The first time you press the  
Distance softkey, you can set  
the distance to the front  
If you can't position the Center  
speaker within this distance  
range, you will just have to  
select a distance which most  
closely approximates to it.  
speakers  
and  
using the  
rotary control knob. These two  
speakers should be the same  
distance from the listener and  
you can select in the range from  
2.0 to 9.9 metres.  
L
1m 40 inch  
1m 3.3 feet  
23  
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5.1 Decoder Module 3  
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Surround speaker distance  
Quit Distance  
As opposed to the main  
speakers, the rear surround  
speakers can be set at different  
distances from the listener.  
Simply press one of the other  
softkeys in the Setup menu if  
you want to quit the Distance  
menu field.  
By pressing the Distance  
If you don't want to make any  
more settings through the  
Setup menu, press either the  
Source or Amplifier keys.  
softkey one more time, you can  
set up first the right and then  
the left rear surround speaker.  
Also here, you use the rotary  
control knob to set the distance.  
L
In the same way as with the  
centre speaker, the M51 only  
allows a certain distance range  
in relation to the main speakers  
Example:  
Selected distance:  
and  
= 4.5 m  
Optimum distance:  
and  
= 0.0 – 4.5 m  
If you can't position the  
surround speakers within this  
distance range, just choose the  
nearest alternative distance  
available to you.  
24  
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5.1 Decoder Module 3  
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Adjusting amplifier power  
The following table shows you the  
relative volume reductions and the  
remaining power:  
The M51 can be equipped with  
two outputs with different power  
levels; either an analogue  
output [5 x 60 watt] or the more  
powerful digital alternative [5 x  
200 watt].  
Full  
- 100%  
- 90%  
- 80%  
- 71%  
- 63%  
- 56%  
- 50%  
-1 dB  
-2 dB  
-3 dB  
-4 dB  
-5 dB  
-6 dB  
If you want to connect speakers  
to the digital output, which are  
not set up for this power level,  
there is a menu point in the  
Setup menu where you can  
adjust the output power level.  
Example Analogue output  
Reduction: –2 dB  
Power: 80% of 60W = 48W  
The three screenshots below  
show you three of the six power  
steps that can be selected:  
Example: Digital output  
Reduction: –2 dB  
Power: 80% of 200W = 160W  
Volume display  
The reduction in volume is  
visible in the display field if you  
select a volume that is higher  
than the reduction; the volume  
bars flash in the corresponding  
area as shown in grey in the  
following graphic:  
The power adjustment can be  
used for the analogue and the  
digital outputs and is applied  
equally over all five channels.  
25  
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5.1 Decoder Module 3  
Technical data  
Formats:  
Re:source  
Dolby Prologic II, Dolby Digital (AC3), dts  
MPEG 1 Layer 2, MPEG 2 with/ without extension  
MP3  
Inputs:  
Digital In 1  
Digital In 2  
Digital In 3  
SPDIFF  
SPDIFF  
SPDIFF  
32, 44.1, 48 kHz Coaxial1 (Cinch)  
32, 44.1, 48 kHz Coaxial2 (Cinch)  
32, 44.1, 48 kHz Optical (TOSLink)  
Analogue outputs:  
Front  
Sub  
Center  
Rear  
L / R  
L / R  
1.75 V / 100 kOhm (based on 0dBFS  
Min. 6.00 V / 100 kOhm (based on 0dBFS  
1.75 V / 100 kOhm (based on 0dBFS  
1.75 V / 100 kOhm (based on 0dBFS  
)
)
)
)
Harmonic distortion:  
0.006%  
0.009%  
Pure Analog  
Dolby Digital  
D / A conversion  
6 x 24 bit  
Low noise spacing :  
92dB CCIR-ARM  
90dB CCIR-ARM  
Pure Analog  
Dolby Digital  
Operating conditions  
Errors excepted  
+10°...40 °C / 50°…104°F  
(DIN 40040)  
Product subject to modification  
Description: ACC-3 version 1.10  
26  
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5.1 Decoder Module 3  
Re:source  
Notes  
Guarantee  
Manufactured under license  
from Dolby Laboratories.  
„Dolby“, „Pro-Logic“. „Dolby  
Digital “ and the double D-  
Symbol are trademarks of Dolby  
Laboratories.  
The guarantee period is 24  
months from the date of  
purchase.  
Your dealer should be your first  
contact if you need service.  
Manufactured under license  
from Digital Theatre Systems,  
Inc. US Pat No. 5,451,942 and  
other worldwide patents issues  
and pending. „dts“, „ dts Digital  
Surround „ are trademarks of  
Digital Theatre Systems, Inc. C  
1996 Digital Theatre Systems,  
Inc. All rights reserved.  
If he can't give you the help you  
need, send Decoder module  
carriage free and without any  
accessories to your national  
Sales Office.  
Please supply a complete  
description of the problem and a  
full return postal address.  
5.1 Decoder -Module MK3 Operating instructions / Part no.: 10.30.3086  
27  
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