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Bosch Security Systems | 04-2003 | 3922 988 43318 en
Digital Congress Network | Installation and Operating Manual | Chapter 2 - Contribution Equipment
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LBB 3544/00, LBB 3545/00 and LBB 3546/00 Delegate conference units (Concentus)
2.4 LBB 3544/00, LBB 3545/00 and LBB 3546/00
Delegate conference units (Concentus)
Intended for table-top and flush-mounting, the delegate conference units enable participants to
actively join in a discussion (i.e. speaking and listening). The unit includes a connection for a pluggable
microphone type LBB 3549/00 or LBB 3549/50 and a microphone on/off button. Delegate unit types
LBB 3545/00 and LBB 3546/00 includes a language channel selector, and LC-display to select the
required language channel when used in combination with an interpretation system.
NOTE: Delegate unit LBB 3544/00 does not include a language channel selector, head-
phone/headset connections and volume controls.
Controls and Indicators (FIG. 2-7) (version illustrated LBB 3546/00)
* Not applicable to delegate units LBB 3544/00
** Not applicable to delegate units LBB 3545/00
1. XLR socket for ‘uni-directional’ condenser microphone (LBB 3549/00 or LBB 3549/50
(see 2.6) with illuminated LED light-ring to indicate microphone active (not active in ‘Voice’ acti-
vated mode). See Chapter 2.3.1 ‘Adjustment settings discussion units’.
2. Loudspeaker. The loudspeaker is automatically muted when the microphone is on.
3. Microphone ON indication (RED)
4. * **ID-chip-card reader for delegate identification.
5. *Numeric 1.5-digit LC-display for visual indication of the selected language channel. The display is
activated once headphones are inserted in to the units jack socket.
6. *Up/down channel select keys for use in combination with the numeric display.
7. Microphone On/Off or request-to-speak button.
8. Microphone- ON indication (bi-colour LED green = ‘request-to-speak’, red = ‘microphone ON’)
9. 5 soft-keys with confirmation indicators (yellow LEDs) for use in combination with the units
graphic LC-display provides the following (not applicable for *LBB 3544/00 and **LBB 3545/00):
To display:
- Conference information
- User information
- Individual messages
To participate in the following voting procedures
- Parliamentary voting (‘PRESENT’, ‘No’, ‘Abstain’, ‘Yes’)
- Multiple choice or opinion poll voting (Numerals: 1 to 24 max.)
- Audience response voting (Rating scale - -, -, O, +, + +)
10. * **Graphical 2-line x 40 character LC-display (15 Chinese characters only) with back-lighting for
displaying the following:
- Conference related information
- User information
- Individual messages
- Voting information and results
Rear, side and under views (FIG. 2-9 and FIG. 2-10)
12. *1 x 3.5 mm jack socket for headset/external microphone
13. 2 x 3.5 mm stereo jack sockets for headphones (1 at each side of the unit).
14. 2 x Rotary volume control for headphones (1 at each side of the unit)
15. Securing screw M3 for pluggable microphone (use Allen-key)
16. 6-pole socket for loop-through from other system units
17. 2 m (6.5ft.) long cable terminated with 6-pole circular connector
18. Modular jack-socket for intercom handset LBB 3555/00
19. 2x M3 guide holes for unit mounting (using custom built fixing bracket/strap)
20. Recessed micro-switch for resetting the unit’s address (DE-INIT).
21. 4 x securing screws for unit housing
FIG. 2-7 Delegate conference units LBB 3544/00, LBB 3545/00 and LBB 3546/00
2
1
3 4
14
14
5
6
710 9
NOTE: see 2.3.1 ‘Adjustment settings CONCENTUS units’.
8
LBB 3545/00
LBB 3546/00
LBB 3544/00
