Danish Interpretation Systems DCS 6000 User manual

DCS 6000
User Manual
Danish Interpretation Systems DIS
Digital Conference System
DCS 6000 Conference Units

Danish Interpretation Systems User Manual
Copyright © 2005 DIS DCS6000_CONFERENCE_UNITS-REV-C.DOC 18-10-2005
No part of this publication may be reproduced or utilised in any form or by any means without permission in writing from the
publisher.

Danish Interpretation Systems User Manual
Copyright © 2005 DIS DCS6000_CONFERENCE_UNITS-REV-C.DOC 18-10-2005
No part of this publication may be reproduced or utilised in any form or by any means without permission in writing from the
publisher.
List of Contents
List of Contents..................................................... 3
Important.............................................................. 4
Compliancy........................................................ 4
Installation precautions.................................... 4
Cleaning............................................................. 4
Repacking .......................................................... 4
Warranty ........................................................... 4
Description of the DCS 6000 system................... 5
Features.............................................................. 5
Central equipment & Interpreter equipment ... 5
Operating instructions ......................................... 6
DCS 6000 Conference Units............................. 6
General description ......................................... 6
Features........................................................... 6
Conference Units description.......................... 6
Microphone functionality............................... 11
User Controls & Indications.......................... 11
Microphone connections............................... 11
Operation modes ........................................... 12
Language Selection functionality................... 15
User Controls & Indications.......................... 15
Headphone connectors...................................15
Normal Operation ..........................................15
Voting functionality.........................................16
User Controls & Indications ..........................16
Normal operation...........................................16
Chip Card functionality..................................17
The use of Chip Cards....................................17
User Controls & Indications ..........................17
Connectors and interfaces...............................18
System Setup........................................................19
General guidelines ...........................................19
Settings..............................................................19
Electrical termination of DCS LAN Network
...........................................................................19
Typical schematics.........................................19
Adjusting LCD contrast on units with channel
selector..............................................................19
Accessories........................................................22
Appendix..............................................................25
Technical appendix..........................................25
Cabling...........................................................25
Technical specifications.................................26

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Important
Compliancy
The equipment has been tested and found to comply
with the limits of the following norms and
approvals:
•EN55013 of 2001 (emission)
•EN55020 of 2002 (immunity)
•EN60065 of 1998
These limits are designed to provide reasonable
protection against harmful interference when the
equipment is operated in a commercial
environment. The equipment generates, uses, and
can radiate radio frequency energy and if not
installed and used in accordance with the user
manual it may cause harmful interference to radio
communications.
You are cautioned that any changes or
modifications not expressly approved in this manual
could void your authority to operate this equipment.
Installation precautions
Allow adequate air circulation to prevent internal
heat built-up..
Do not install the units in a location near heat
sources such as radiators or air ducts, or in a place
exposed to direct sunlight, excessive dust or
humidity, mechanical vibration or shock.
To avoid moisture condensations do not install the
unit where the temperature may rise rapidly.
Cleaning
To keep the cabinet in its original condition,
periodically clean it with a soft cloth. Stubborn
stains may be removed with a cloth lightly
dampened with a mild detergent solution. Never use
organic solvents such as thinners or abrasive
cleaners since these will damage the cabinet.
Repacking
Save the original shipping carton and packing
material; they will become handy if you ever have
to ship the unit. For maximum protection, re-pack
the unit as originally packed from the factory.
Warranty
The individual units in the DCS 6000 system are
minimum covered by 12 months warranty against
defects in materials or workmanship.
.

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Description of the DCS 6000 system
Features
The DCS 6000 system has the following main
features:
•Fully digital
•Excellent sound quality
•“State of the Art” fully digital integrated
interpretation, discussion and voting system
offering interpretation, language distribution,
and conference microphone and voting facilities
with attendance check with Chip Card ™.
•New, unique digital DATA and AUDIO bus.
•39 incoming channels (8 floor channels + 31
interpreted channels)
•33 distributed channel (2 x floor + 31
interpreted channels)
•The Delegate and Interpreter units are powered
and controlled by the CU 6010 Central Unit,
which drives up to app. 200 units on 4 chains.
•EX 6010 Extension Units or PS 6000 Power
Supplies available if more units are required
•A total of 4000 units (delegate or interpreter
units) can be connected to the system.
•Using screened CAT5 cabling (FTP or STP)
ensuring a very cost effective installation and
easy set-up of portable systems
•Firmware in Delegate units, Interpreter Units,
Central Units etc. upgradeable through RS232
on Central Unit
•Can be operated with or without a PC.
•Added functionality and comprehensive
features provided by SW 6000 software
package running on PC
RS232/RS422 connection on CU 6010 for
external operation of the system of a PC or
control system such as AMX or Crestron
System components
The DCS 6000 system consists of various units in
addition to the Conference Units.
Central equipment & Interpreter
equipment
CU 6010 Central Unit with built-in DCS-LAN
and power supply
EX 6010 Extension Unit
PS 6000 Power Supply
RP 6004 Repeater for four chains
AO 6008 Audio Output box
JB 6002 Junction Box with 2 outputs
JB 6004 Junction Box with 4 outputs
IS 6132P Interpreter Set
LS 6032P Interpreter Loudspeaker
CS 6032P Channel selector (portable)
CS 6032F Channel Selector (flush mounted)

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Operating instructions
DCS 6000 Conference Units
General description
The DCS 6000 Conference Units are fully digital
microcomputer controlled conference units. All
units includes a DSP processor (Digital Signal
Processing).
The DCS 6000 Conference Units offers full
compatibility with the DCS 6000 Digital
Conference System with the CU 6010 & EX 6010
Central and Extension Units.
Features
The Conference Units offers i.e. the following
features (the features depends on the version):
•Fixed or detachable microphone
•ON/OFF button
•Built-in loudspeaker
•Language selector
•Voting
•Chip Card reader
Conference Units description
Most conference units are delivered in a Chairman
(CM) version and a Delegate (DM) version.
This manual describes the functionality of the
following units:
CM/DM 6010P Portable Conference Unit
Facilities:
Fixed gooseneck and loudspeaker

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CM/DM 6020P Portable Conference Unit
Facilities:
XLR microphone connector and loudspeaker
The XLR connector is designed for use with GM
44xx series of microphones.
CM/DM 6070P Portable Conference Unit
Facilities:
Fixed gooseneck, loudspeaker, two built-in
channel selectors and two headphone connectors.
If the two channel selectors are in use
(headphones inserted), the loudspeaker is
disabled.
CM/DM 6090P Portable Conference Unit
Facilities:
XLR microphone connector, loudspeaker, two
built-in channel selectors and two headphone
connectors.
If the two channel selectors are in use
(headphones inserted), the loudspeaker is
disabled.

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CM/DM 6060F Flush Mounted Conference Unit
Facilities:
Fixed gooseneck, loudspeaker, one built-in
channel selector and one headphone connector.
Important: The CU 6000 does not support this
unit
CM/DM 6510F Flush Mounted Conference Unit
Facilities:
Fixed gooseneck, loudspeaker, 3 voting buttons
and Chip-card reader,
Important: The CU 6000 does not support this
unit

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CM/DM 6560F Flush Mounted Conference Unit
Facilities:
Fixed gooseneck, loudspeaker, 3 voting buttons,
Chip-card reader, one built-in channel selector
and one headphone connector.
Important: The CU 6000 does not support this
unit
MU 6040C/D Microphone Unit
Available in Delegate (D) and Chairman (C)
version
The MU 6040 Microphone Unit is designed for
hidden installation, e.g. in an armrest, under a
table or in a floor box for use with FD/FC series
of front plates with Loudspeaker, Microphone
and Buttons or for use with HD 4042 Hand
Microphone.
The MU 6040 is provided with a HD 15S
connector for connection of the FD/FC front
plate.
The MU 6040 may also be used to switch on and
off a loudspeaker in PA system with separate
amplification (e.g. a 100V system) via an
external relay.
The MU 6040 operates in the same modes as
described for the other units.

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AM 6040 Ambient Noise Microphone
The AM 6040 Ambient Microphone Unit is
designed to detect ambient noise in a conference
room.
The purpose of an ambient noise microphone is
to provide sound from a meeting
room/conference hall, when there is no
speaker/chairman active using their
microphones.
The microphone should be placed in a central
position in the room, but not too close to anyone;
thereby the microphone is able to pick up sound
from activities in the room/hall (chairs being
moved, paper being picked up, low voices and so
on.
Transmission of ambient noise rather than
transmitting no sound at all is a desirable feature
from listeners attending the meeting via
headphones. The ambient noise indicates to the
listeners, that there is no speaking activity going
on, and this information is very nice to have,
when interpreters are doing interpretation, and
the speaker stops speaking.
The AM 6040 Ambient Microphone Unit is
designed for installation above a recessed ceiling
for connection to an external microphone like
DIS model HM 4042 or GM 44xx series of
gooseneck microphones..
The AM 6040 is delivered in a shielded metal
mounting box like the MU 6040.
•Automatic activation of the microphone, if
no Chairman or delegate units are turned ON.
•Setting of the volume of the ambient noise
audio level on the CU 6010
One ambient noise microphone can be active in
the DCS6000 system at one time.
Important: The CU 6000 does not support this
unit

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Microphone functionality
Microphone functionality is a feature where
participant in a conference can use a microphone in
a DCS 6000 Conference Unit to address an
audience. The sound from a conference microphone
is called the ‘Floor’ sound.
The ‘Floor’ sound can then be listened to in built-in
loudspeakers in the DCS 6000 Conference Units, in
Language selectors, in Interpreter Sets or the sound
can be feed to an external PA-system.
The number of allowed open microphones can be
set at the CU 6000 / CU 6010 however the sound
from all the open microphones is mixed together in
the ‘Floor’ sound.
User Controls & Indications
The following list shows the function of the
facilities for use the microphone in the units. Please
note, that not all facilities are available at all units:
 Speak button (delegate unit)
Pressing the Speak button turns on the microphone
or will place the microphone in the request queue
(see ‘Operation modes’).
The ‘Operation mode’ determines the functions of
this button.
 Speak button (chairman unit)
Pressing the Speak button turns on the microphone
 Speak LED
Lights up with a red colour when the Microphone is
ON
 Request LED
Lights up with a green colour when the Microphone
is put in the request queue (see ‘Operation modes’).
 Delegate off button (chairman unit)
Pressing the Delegate off button turns off all
delegate microphones
 Delegate off LED (chairman unit)
Lights up when the Delegate off button is pressed
 Microphone light ring
Lights up with a red colour when the Microphone is
ON. If the microphone is muted, the light in the
light ring is turned off during the time the units is
muted.
Microphone connections
 XLR microphone connector
The XLR microphone connector is used for
connection of GM 44xx series of gooseneck
microphones. The HM 4042/HM 4047 Hand
Microphone can also be connected. However the
button on the hand microphone will not work.
 Mini-DIN microphone connector (only “F”
models)
A Mini-DIN microphone connector is located at the
back for connection of GM 44xx series of
gooseneck microphones. The HM 4042/HM 4047
Hand Microphone can also be connected.
This connecter is intended for use, where the
connection to the microphone is remotely from the
front plate, which is only on customised units.
 HD 15S connector (only MU 604x models)
The HD 15S is used for direct remote connection of
FD/FC series of front plates or Microphones (e.g.
HM 4042 or GM44xx in external outlet) or/and
microphone control buttons, LED indicators and
loudspeaker. Please refer to technical appendix for
pin layout
Important: The microphone input at the above
mentioned connectors do not support other types
of microphones i.e. third part microphones.

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Operation modes
System modes
The 6000 series microphones work in different
modes - according to the settings of the system.
The “System Operation Mode” also called ‘CU
mode’ determines the behaviour of the microphone
system. The mode is set on the CU 6000/CU 6010.
The following modes are available, when the CU
6000 or CU 6010 runs standalone (PC with SW
6000 has never been connected):
Automatic Auto (or Automatic) mode allows for the microphone units to be switched on
immediately upon pressing the microphone ON/OFF button.
This is indicated by a red light in the ‘Speak’ lamp in the microphone unit. Pressing the
microphone ON/OFF button again will turn the microphone off.
If the ‘maximum speakers (delegates)’ is reached, the speak request will be rejected.
Microphones with Chairman priority will always be turned on (a Chairman Unit is
always in Auto mode).
FIFO FIFO is an automated mode. The microphone unit functions in the same way as in
automatic mode as long as the number of turned on delegate units is less or equal to the
selected ‘maximum speakers’.
When the max. number is reached, the next delegate pressing the ON/OFF button will be
put in the top of the request queue. The green ‘Request’ lamp flashing slowly indicates
this.
More delegates will be put in the request queue when they press their ON/OFF buttons,
until the maximum of requests is reached. Their green ‘Request’ lamps will light up
steadily.
When one of the active microphone units is switched off, the first delegate unit in the
queue is automatically switched ON, and the next delegate unit in the queue will flash
with the green ‘Request’ lamp.
This mode will normally be used with only 1 as maximum speakers
Microphones with Chairman priority will always be turned on directly.
Manual Manual mode features a request list, where ‘Delegates’ are inserted in a queue upon
pressing the microphone ON/OFF button. This is confirmed by green light in the
‘Request’ lamp in the delegate unit. It is possible to cancel the request by pressing the
button again.
The microphone can only be switched on from a PC running SW 6000 software of from
a control system like AMX or Crestron. This will be indicated by red light in the ‘Speak’
lamp in the microphone unit. At this point the delegate can switch off the microphone by
pressing the ON/OFF microphone button.
Microphones with Chairman priority will always be turned on directly.

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FIFO Interrupt First In First Out. The microphone unit functions in the same way as in automatic mode
as long as the number of turned on delegate units is less or equal to the selected
‘maximum speakers’.
When the max. number is reached, the next delegate pressing the ON/OFF button will be
turned ON and at the same time the first microphone turned ON will be turned OFF.
Microphones with Chairman priority will always be turned on directly.
This mode is only available when using SW 6000 Software
Individual modes (only with SW 6000)
When using SW 6000 it is possible to set individual
modes for the units.
The parameters can be set individual for each
conference unit:
Operation Mode Use CU mode, Manual, Automatic or FIFO.
Speak Priority Use CU mode, 5 (Chairman), 4, 3, 2 (VIP), 1(Delegate) or No
Speaking Rights
Chairman (5) is the highest priority and the microphone will
always be turned on regardless of operation mode.
In the Request list a unit with higher speak priority will be
placed before a unit with lower speak priority.
Interrupt Ability The Interrupt setting determines the microphone’s ability to
interrupt another speaker if the maximum number of speakers is
reached. The key is as follows:
Use CU mode
<=: Can interrupt a speaker with the same speak priority or a
speak priority which is less than own speak priority.
< : Can interrupt a speaker with a speak priority less than own
speak priority.
Not allowed: Cannot interrupt another speaker.
For most installations, the ‘Operation Mode’ for all
units is set to use the system mode ‘Use CU mode’.
It means that the operation mode for the units is
following the system modes, i.e. if the system is
running in ‘Manual mode’, the Delegates Units will
run in Manual mode.
When assigning units to run ‘Use CU modes’ the
modes are found in the following table:

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Unit Operation mode Speak priority Interrupt ability
Delegate unit Following ‘System mode’
1 <
Chairman unit Automatic 5 <
However for certain application, it is desirable to
assign ‘individual operations mode’, where the
units will always follow the individual mode
settings independently of the ‘System Setting’.
I.e. the following ‘Units’ can be created:
Unit Operation mode Speak priority Interrupt ability
No Speaking Rights Does not matter 0 Does not matter
VIP unit Automatic 3 <
Secretary Automatic 2 <
Delegate FIFO
This unit will interrupts
other delegates if the
‘Maximum speaker’ are
reached
Use CU Mode <=
Speaker stand
This unit can always turn
on except if 8 units with
‘Speak priority”=5 is
open
Automatic 4 <=
Saving setting in CU 6010
If individual settings are to remain in the units after
the SW 6000 is closed, the settings can be stored in
the CU 6010 by saving the setting.
When saving the configuration the changes in the
settings, which have been done in the various
menus in CU 6010, at the IS 6132 Interpreter Sets,
at AO 6008 Audio Unit or in the Conference Units
(Individual settings) will be saved in the ‘Flash’
memory in the CU 6010.
Also the serial number and type of all units
connected to the CU 6010 at the time of saving the
configuration will be saved in the ‘Flash’ memory
in the CU 6010.
When ‘loading’ a configuration the last settings,
which has been saved in the ‘Flash’ memory in the
CU 6010 will be re-loaded to the CU 6010, to the
IS 6132 Interpreter Sets to the AO 6008 Audio Unit
and to the Delegate Units.
When switching the power to the CU 6010 OFF and
then ON, the last saved setting will also be loaded.

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Language Selection functionality
Language selection is a feature, where the delegate
can listen to either the floor (spoken) language or an
interpreted language.
User Controls & Indications
The units featuring language selection will include
on or two sets of the following controls and
interfaces.
 Display
This display is used for information purposes. This
display has built in back light.
 Channel buttons (two)
The buttons are used for changing the channel
setting.
 Volume buttons (two)
The buttons are used for changing the volume
setting.
Headphone connectors
 Headphone connector (mini-jack)
A mini jack located on the front plate for
connecting a headphone for listening to the floor
language or one of the interpreted languages.
 Dual headphone connectors (mini-jack)
Some units are supplied with two mini jacks located
on the front plate for connecting a headphone for
listening to the floor language or one of the
interpreted languages.
Important:
For units, where the two channels are operated
separately the following has to be observed:
If the two channel selectors are in use
(headphones inserted), the loudspeaker is
disabled.
 Headphone Connector (Molex) (only “F”
models)
A 2 pin Molex jack is located at the back for
connecting a headphone for listening to the Floor
language or one of the interpreted languages.
This connecter is intended for use, where the
connection to the headphone is remotely from the
front plate, which is only on customised units.
Normal Operation
Channel Selection
Channel selection is done using the channel up and
channel down buttons. Channel numbers can be
from 0 to 31, however the indication in the display
is abbreviations of the language selected i.e. ENG
for English, SWE for Swedish.
The lowest channel (0=FLO) always carries floor
audio and all other channels carry interpreted
languages (or floor if no interpretation is currently
performed on this channel). If fewer than 32
channels are in use only available channels will be
selectable from the channel selector – the channels
are always numbered consecutively. Pressing the
down button when the lowest channel number is
displayed will cause the channel selection to wrap
around to the highest available channel if the
channel wrap parameter is set.
Holding the channel up or down button depressed
will cause the channel numbers to scroll with a
system defined start-up delay, and subsequent
smaller delay between each change in channel
position. These delays are set using system
parameters.
Volume Control
Volume control is done using the volume up and
volume down buttons. The number of volume levels
and the step size in dB between successive levels is
globally defined using system parameters –
however setting the volume level to 0 turns the
headphone/line output off.

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When a volume button is depressed the channel
display will be overridden with the current volume
(this is indicated by the black dot in the upper left
corner of the display) if the show volume global
parameter is set. The display will continue to show
the current volume level for a preset time interval
before returning to displaying the channel
information – this time interval is also set globally
using a system parameter.
Voting functionality
Voting functionality is a feature where delegates
can cast their votes to various subjects using the
DCS 6000 Conference Units.
The voting functionality is only available when the
system if expanded with a PC running SW 6000
Conference Management software with the module
‘SW 6060 Parliamentary Voting and Agenda’.
The various voting modes and voting functionality
in general is explained in the SW 6000 CAA User
Manual. However the functionality directly related
to the ‘Control & Indications’ in the units is
explained here.
Important: The CU 6000 Central Unit does not
support voting functionality
User Controls & Indications
The units featuring voting functionality will include
the following controls and interfaces.
 Yes/Present (+) button
Pressing this button casts a ‘Yes’ vote or show the
user as ‘Present’ to the system.
 Abstain (0) button
Pressing this button casts a ‘Abstain’ vote.
 No (-) button
Pressing this button casts a ‘no’ vote.
 Yes/Present (+) LED
This yellow LED flashes alone, when the user have
to present himself to the system as ‘Present’. When
the LED flashes together with the two other voting
LED’s the user can press any of the voting buttons
to cast a vote.
 Abstain (0) LED
When the LED flashes together with the two other
voting LED’s the user can press any of the voting
buttons to cast a vote.
 No (-) LED
When the LED flashes together with the two other
voting LED’s the user can press any of the voting
buttons to cast a vote..
Normal operation
Attendance check
When the yellow ‘Yes/Present (+) LED’ flashes
alone, the user can to present him to the system as
‘Present’ by pressing the ‘Yes/Present (+) button’.
Cast a vote
When all the yellow voting LED’s flashes, the user
can cast his vote, by pressing any of the three
voting buttons.
The user can cast his vote or change a vote as long
time as the voting session is on-going.
If the voting parameter is selected as ‘Secret’ (done
in the SW 6000) the LED’s stop flashing after the
vote is caste, however the user can still change his
vote if needed.

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Chip Card functionality
Chip Card functionality is a feature where delegates
identify themselves to the system by use of a DIS
chip-card. The Chip-Card contains information like
Delegate ID, Login Code and Location ID, which
the DCS 6000 system uses to identify the user of
the Conference Unit by getting the personal details
from the database in the SW 6000.
The Chip card functionality is only available when
the system if expanded with a PC running SW 6000
Conference Management software with the module
‘SW 6070 Chip Card Login’.
The functionality in general is explained in the SW
6000 CAA User Manual. However the functionality
directly related to the ‘Control & Indications’ in the
units is explained here.
Important: The CU 6000 Central Unit does not
support Chip Card functionality
The use of Chip Cards
This chip cards in use are delivered pre-
programmed from DIS with the following
information:
 Location ID
This is an ID related to the location of the
installation. The location ID prevents the card to be
used at other locations. All cards for one installation
shall have the same location ID.
When the cards are delivered from DIS, the location
ID is marked on the packages. The location ID has
to be entered in the ‘Setup/Equipment/Chipcard’
window in SW 6000 – CAA application.
 Delegate ID
This ID is used to identify the user in the Delegate
database in SW 6000. Each card will have a unique
ID (1, 2, 3 etc).
The information for each delegate in ‘Delegate’ in
the SW 6000 – CAA application will also have a
unique ‘Delegate ID’ corresponding to the cards.
When a card is inserted in a conference unit, the
software will identify the user by matching the
‘Delegate ID’ in the ‘Delegate’ database with the
‘Delegate ID’ on the card.
 Login code
This is the password used to log the user into the
system.
The ‘Login code’ on cards delivered from DIS will
have the same ‘Login code’ and ‘Delegate ID’.
User Controls & Indications
The units featuring chip card functionality will
include the following controls and interfaces.
 Chip Card reader
The chip card reader is used together with DIS chip
cards for identifying a used to the system. The chip
card reader (and chip cards) can only be used
together with the SW 6000 software.
When in use, the chip card is inserted in the chip
card reader.
The chip-cards are delivered pre-programmed from
DIS.
 Chip Card LED
This LED lights yellow, if it is required to insert the
Chip Card.
When inserted the LED lights RED if the card is not
accepted and lights GREEN if the card is accepted.

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DCS LAN Connectors
In addition to the connectors mentioned in the
previous section the following connectors are
available on all units:
 DCS-LAN connector
Two RJ45 sockets are located at the back of the
units for connecting to the previous unit (an IS
6032/IS 6132 Interpreter set, CS 6032 Channel
Selector, DM 6xxx Delegate Unit, the CU 6010
Central Unit or any other unit with a DCS LAN
connector) and to the next unit.
.

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System Setup
General guidelines
Connect the DCS 6000 Conference Units at the
DIS-LAN connectors to the various units using Cat
5 FTP or STP screened cables. Please observe the
following guidelines:
•Maximum cable length in one chain when
not using repeaters is 200 m.
•Maximum cable length in one chain when
using repeaters is 650 m
For more details about cabling and maximum
number of units to connect to the DCS 6000 system
please consult the CU 6000 User Manual or CU
6010 User Manual
Settings
There are no settings to be done on the DCS 6000
conference units. The units are automatically
recognized and receive a unique address in the
system, when connected to the unique DIS digital
communication bus - the DCS-LAN.
Electrical termination of DCS LAN
Network
Before powering up your DCS6000 system, you
must ensure that the DCS LAN Network has been
properly terminated. The last unit in each chain
must have a DCS LAN Network Termination Plug
inserted in one of the two DCS LAN Network
connectors (RJ45 connectors).
If the network is not terminated properly
communication errors on the network may occur
resulting in malfunction or degradation of the
system performance.
4 pcs. of DCS LAN Network Termination Plug
have been shipped with your DCS 6000 Central
Unit.
Typical schematics
Please consult the CU 6000/CU 6010 User Manual
for typical schematics
Starting up the system
When the DCS 6000 Conference Units are
connected to a CU 6000/CU 6010 Central Unit and
the proper termination are made, the CU can be
switched ON.
After powering on the system, the light-ring in DCS
6000 Conference Units will flash until the CU
identifies the unit. As soon as this happens, the
light-ring stop to flash and the unit is operational.
If a unit ‘looses’ the connection to the CU, it will
start to flash until the connection is re-established.
Adjusting LCD contrast on units with
channel selector
The contrast on the channel selector LCD display
has been factory preset to a viewing angle of 45˚.
The contrast can be changed to a different viewing
angle through the procedure described below.

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1
Get the contrast adjustment tool, which has been shipped with
your DCS 6000 Central Unit (see photo 1). A new adjustment tool
can be ordered through your authorized DIS dealer. Order DIS p/n
P0 45 00010.
Photo 1
2
Connect the CM/DM 6xxxF to the DCS 6000 Central Unit and
power up the system.
3
Wait until text appears in the LCD display and the backlight is
turned on.
4
Locate the contrast adjustment hole in the back box of the unit
(see photo 2). Units with two channel selectors have two
adjustment holes in the back box, one for each of the LCD
displays.
Photo 2
5
Carefully insert the tip of adjustment tool into the adjustment hole
until the tip of the tool makes contact/lock with the potentiometer
located behind the hole (see photo 3 and 4).
Photo 3
Contrast adjustment hole
Insert tip of tool