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2.2 Table-Top Concentus Units
LBB 3544/00
Standard Delegate Unit
• Compact, attractive delegate unit
• Built-in fold-away flat-panel loudspeaker
• Five voting buttons
• Cable connections located underneath the unit
The LBB 3544/00 is the standard delegate conference
unit, enabling delegates to speak, register a request-to-
speak, register a response request, listen to the speaker
and vote. The flat-panel loudspeaker offers superior
acoustics with minimal feedback, so increasing intelligi-
bility. It is automatically muted when the microphone is
activated. When the unit is not being used, the loud-
speaker panel conveniently folds down. There are five
voting buttons for parliamentary-, multiple choice-
or audience response voting.
Microphones LBB 3549/00 and LBB 3549/50
This innovative, stylish and ergonomically-designed
unit is equipped with a socket for a microphone
(ordered separately) with an adjustable stem which
DCN Data Brochure
| DCN Contribution Equipment | 19
simply plugs directly into the delegate unit for added
convenience. The microphone has a unidirectional
response for optimum performance even in noisy
conditions, and includes a red indicator ring which
illuminates when the microphone is on. Two micro-
phones are available, with standard and extended stem
lengths respectively.
Note: The microphones are separate type numbers, and
must be ordered separately.
Controls and indicators
• Socket for pluggable condenser microphone (ordered sepa-
rately) with built-in plop- and windshield, complete with light
ring which illuminates when the microphone is on
• Built-in fold-away flat-panel loudspeaker, automatically muted
if a microphone is on
• Microphone 'on/off' or 'request-to-speak' button
• Two 'Microphone on' indicators. One is located above the
microphone on/off button (dual colour LED for 'request-to-
speak' and and 'microphone on' indication). The other is
located on top of the loudspeaker.
• 'Request-to-speak' confirmation indicator (green LED)
• Five voting buttons with yellow LED confirmation indicators
These can be used to register:
- PRESENT, NO (-), ABSTAIN (0), YES (+) (parliamentary
voting)
- Numerals: 1 to 5 (multiple choice or opinion polls)
- Rating scale: - -, -, 0, +, ++ (audience response)
• 'De-init' switch on the underside of the unit
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