Bosch Appliances Webcam 3922 988 43318 User Manual

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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 | 11-11
Delegate/Chairman unit operation (Conference units only)
11.7.3  OPERATION Chairman Unit LBB 3547/00
FIG 11-6
Operation CONCENTUS (conference) Chairman units LBB 3547/00
Microphone/headset
Jack socket 3.5 mm
ID Chip-card reader
Headphone 
volume  control
Microphone Status      
indicator**
Microphone On/Off key
Priority key
Microphone ON         
indicator**
Graphic LC-display
with back-lighting 
(see page 11-12 )
5-softkeys with LED           
indicators 
(see page 11-12 )
Side view
Headphone
jack socket 3.5 mm
Headphone sockets and 
volume controls located at 
both sides of the unit,  
catering for two delegates.
Microphone headset 
located at the left side of 
the unit only (microphone 
must be electret type only)
Access control
Softkeys for voting and
Microphone functions
Microphone
Language channel
selection
** 
The unit has three microphone status indicators. Two located on the unit itself and the other a  ‘light-ring’ indicator (red) located 
on the installed pluggable microphone LBB 3549/00 or LBB 3549/50 (not shown).  All three are illuminated when the microphone 
is ON.  When a microphone/headset is inserted into its jack socket, the pluggable microphone and its illuminated light ring are 
automatically switched OFF. 
Loudspeaker
(muted when            
microphone is ON)
XLR Socket for           
pluggable microphone
LBB 3549/xx (not shown)
Language channel select 
keys up/down
Headphone 
volume  control
Numeric LC-display for 
language channel select 
indication
Headphone 
volume  control