Bosch Appliances 3922 988 43318 manual Microphone on ID Chip-card reader Indicator

Digital Congress Network Installation and Operating Manual Chapter 11 - System Set-up and Operation en 11-8

11.7.2 OPERATION Delegate Units LBB 3544/00, LBB 3545/00, LBB 3546/00

Microphone ON	ID Chip-card reader
indicator**

Loudspeaker (muted when microphone is ON)

XLR Socket for pluggable microphone LBB 3549/xx (not shown)

Headphone volume control

5-softkeys with LED indicators

(see page 11-9)

Microphone Status indicator** (bi-colour LED)

Graphic LC-display with back-lighting (see page 11-9)

Numeric LC-display for language channel select indication

Headphone volume control

Language channel select keys up/down

Microphone On/Off key

Side view

Headphone volume control

Microphone/headset	Headphone
Jack socket 3.5 mm	jack socket 3.5 mm

**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.

The bi-colour LED illuminates as follows: red = microphone ON, green = ‘request-to-speak’, yellow = initializing

Access control	Softkeys for voting and	Microphone	Language channel
	Microphone functions		selection

Microphone headset	Headphone sockets and
located at the left side of	volume controls located at
the unit only (microphone	both sides of the unit,
must be electret type only)	catering for two delegates.

Not applicable LBB 3544/00

Not applicable LBB 3544/00 and LBB 3545/00

FIG 11-5 Operation CONCENTUS (conference) Delegate units LBB 3544/00, LBB 3545/00 and LBB 3546/00

Bosch Security Systems 04-2003 3922 988 43318 en Delegate/Chairman unit operation (Conference units only)