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Bosch Security Systems | 04-2003 | 3922 988 43318 en
Digital Congress Network | Installation and Operating Manual | Chapter 11 - System Set-up and Operation
en | 11-9
Delegate/Chairman unit operation (Conference units only)
OPERATION
Delegate units LBB 3544/00, LBB
3545/00 and LBB 3546/00
* Not applicable LBB 3544/00
** Not applicable LBB 3545/00
*** Not applicable LBB 3544/00 and LBB 3545/00
Microphone functions
1. Press the microphone key marked to switch units
microphone ON.
Three microphone indicators show the status of the microphone:
1. Light ring indicator on pluggable microphone (red = ON)
2. An indicator located at the top of the at-panel loudspeaker
(red = ON).
3. Bi-colour LED above mIcrophone push-button (red =ON,
green = request-to-speak).
NOTE: When an external microphone is used (*3.5
mm jack socket at side of unit) the pluggable micro-
phone LBB 3549/xx (if mounted) is switched OFF auto-
matically along with its light-ring indicator.
Once switched on the display*** shows ‘SPEAK NOW.
To switch the microphone OFF, press the key again. If the
green LED ashes after rst pressing the key, the unit has
been registered in a request-to-speak list and the micro-
phone function is not yet available. The display*** displays
REQUEST ACCEPTED.
To cancel a request-to-speak press the key again. The dis-
play,*** displays ‘REQUEST CANCELLED.
LANGUAGE CHANNEL SELECT*
Insert headphones to switch-on the units numeric LC display. In
combination with its select up/down keys, select the required
simultaneous interpretation language channel. The headphone
volume controls can be used to adjust the headphone listening
level.
ID-CARD READER
For use in PC operated systems only, the ID-card reader ensures
that only authorized users can use the unit after rst inserting an
ID-card.
USING THE DISPLAY AND SOFT KEYS***
(see page 11-10)
In its normal operational mode, the units graphic display shows
MICRO. Under the MICRO menu two options are available:
SPEAKERS’ and REQUESTS.
Select SPEAKERS to display the number of participants
speaking (Screenline can be displayed if only one participant is
speaking). Select REQUESTS to display the number of
delegates waiting to speak.
Message (PC controlled systems only)
If MESSAGE is displayed under the MAIN menu, and its
associated LED ashes, press its soft-key to display an
incoming message.
Response (applicable to all delegate units)
If in PC-controlled systems, the microphone control mode
Operator with Request and Response List is selected,
delegates can respond by pressing the Response button
The response list is shown on the operators PC monitor. The
operator then decides which respondents microphone can be
switched ON to respond to the current speaker.
LBB 3544/00, LBB 3545/00 units without display
LBB 3546/00 unit with display
VOTING*
(see page 11-10)
Voting sessions are initiated by the chairman. Depending on the
application software, the units ve softkeys can be used as voting
buttons with conrmation indicators (yellow LEDs), enabling
participation in voting procedures: e.g. PRESENT, NO, ABSTAIN,
YES (Parliamentary voting)
Other voting methods (1/- -, 2/-, 3/0, 5/+ and 5/++) are also
available using Alpha-numeric characters. Simply enter your
choice, the LED of the voting option will illuminate constantly,
while the LED of the remaining options will extinguish. Your voting
option can be changed as and when required by pressing the
relevant voting option key.
Microphone
active key
Microphone status
indication (red)
Response
button
Flashes when Response
button pressed.
LED stops ashing = Microphone ON (operator control) or
cancelled by the delegate, pushing the Response button again.
Response
button
Flashes when Response
button pressed.
LED stops ashing = Microphone ON (operator control) or
cancelled by the delegate, pushing the Response button again.
RESPONSE
Response
mode active
RESPONSE ACCEPTED
MICRO
PRESENT icon
NO ABSTAIN YES
INTERCOM icon
For Intercom handset operation see page 11-10