Bosch Appliances 3922 988 43318 Controls and Indicators LBB 3520/10 see FIG, Loudspeaker Controls

Digital Congress Network Installation and Operating Manual Chapter 3 - Interpretation Equipment en 3-2

Controls and Indicators LBB 3520/10 (see FIG 3-2):

LISTENING FUNCTIONS

Loudspeaker Controls

1.Built-in loudspeaker.

2.Loudspeaker volume control for distribution of the floor language when all the microphones in the booth are switched off.

3.Volume, treble and bass controls for headphones and headset.

Incoming Channel Controls

4.Rotary selector switch, for selection of the incoming language channel.

5.Three Preselect relay keys a, b and c with a green LED indication for quick access to the interpret- ers’ personal designated incoming language channels.

6.Floor language indication (green LED).

7.Select key for selection of the original floor language or auto-relay language when available.

8.Auto-relay indication (green LED).

SPEAKING FUNCTIONS

Outgoing Channel Controls

9.Outgoing A-channel and B-channel select keys with channel select indicators (red LED).

10.Uni-directional condenser microphone on a ‘fold-away’ stem with an illuminated red light ring to indicate ‘microphone status’.The microphone itself includes a built-in pop and windshield.

11.Clear message/ Speak-to-fast key.

12.Call key (voice) two-way communication between interpreter and chairman/operator.

13.Outgoing B-channel selection keys (forward/reverse).

14.Microphone Mute key.

15.Channel engaged indicators for A and B outputs (yellow LEDs).

16.Microphone On/Off lever-type switch.

17.Microphone status indicator (red LED bar).

VIEWING FUNCTION

18. Alphanumeric 2-line by 40-character LC-display with back-lighting

Interconnections

All interpreter desks include connectors for loop-through connection of one unit to the other (i.e. ‘daisy chain’). FIG 3-2shows the connectors and the interconnection method used.

19.6.3 mm jack headphone connector.

20.Headphone or headset connector (5-pole 180° DIN-type socket) (according IEC 268-11).

21.3.5 mm jack headphone connector.

22.Selector switch to select an external headset microphone or built-in microphone.

23.2 m (6.5 ft.) long cable terminated with a moulded 6-pole circular connector.

24.6-pole circular connector for loop-through connections.

25.Modular jack connector for connection to intercom handset LBB 3555.

26.Recess microswitch for resetting the unit’s address (De-Init).

Bosch Security Systems 04-2003 3922 988 43318 en LBB 3520/10 Interpreter desk with back-lighting LC-display