1. Interpreter Desk LBB 3520/10 1. Loudspeaker Volume control (floor)
3. Incoming language channel selector
4. Pre select incoming channel keys
5. Information display LCD
6. Outgoing channel A or B
7. Message key
8. Microphone
9. Call key
10. Pre select B channel keys
11. Mute key
12. Microphone on/off switch
13. Incoming floor key
14. Volume, treble, bass 8 7 6 5 4 1 2 3 14 13 12 11 9 10
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2. Interpreter Desk LBB 3520/10
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3. Interconnection Interpreter Desk
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4. Interpreter Desk Normal Interpretation (Floor Active)
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5. Interpreter Desk Relay Interpretation (Auto-relay active)1
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6. Interpreter Desk LBB 3520/10
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7. Interpreter Desk LBB 3520/10 Pre selectors and LCD Outgoing Channels
of incoming Channels
Outgoing Channels
A & B
Engaged
Relay select
Microphone
Call
Clear
Message a b c
Floor
Auto relay
A B
Mute
FLOOR
1 JAP 2 FR GER Japanese English
Outgoing A-B select keys with indicators
Incoming Floor or Auto relay switch
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8. Interpreter Desk LBB 3520/10 FLOOR FLOOR FLOOR 1 4 a b c
Auto relay
A B
Mute
FLOOR FLOOR FLOOR
1 JAP 2 FR GER Japanese English
Engaged
Relay select
Microphone
Call
Clear
Message
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9. Interpreter Desk LBB 3520/10 + FLOOR FLOOR 1 4 a b c
Auto relay
A B
Mute
FLOOR FLOOR
1 JAP 2 FR GER Japanese English
Engaged
Relay select
Microphone
Call
Clear
Message
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10. Interpreter Desk LBB 3520/10 FLOOR FLOOR FLOOR 2 a b c
Auto relay
A B
Mute
FLOOR FLOOR FLOOR 2
2 FR ENG 3 GER French OFF
Engaged
Relay select
Microphone
Call
Clear
Message
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11. Interpreter Desk LBB 3520/10 + FLOOR FLOOR 2 a b c
Auto relay
A B
Mute
FLOOR FLOOR 2
2 FR ENG 3 GER French OFF
Engaged
Relay select
Microphone
Call
Clear
Message
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12. Interpreter Desk LBB 3520/10 FLOOR FLOOR + 3 a b c
Auto relay
A B
Mute
FLOOR FLOOR
3 GER 4 ENG 2 FR German OFF
Engaged
Relay select
Microphone
Call
Clear
Message
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13. Interpreter Desk LBB 3520/10 + FLOOR + 3 a b c
Auto relay
A B
Mute
FLOOR
3 GER 4 ENG 2 FR German OFF
Engaged
Relay select
Microphone
Call
Clear
Message
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14. Interpreter Desk LBB 3520/10 FLOOR + + 4 a b c
Auto relay
A B
Mute
FLOOR
4 ENG 2 FR GER English OFF
Engaged
Relay select
Microphone
Call
Clear
Message
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15. Interpreter Desk LBB 3520/10 FLOOR + + 4 a b c
4 ENG 2 FR GER English OFF
Clear
Message
Call
Relay select a b c
A B
Engaged
Floor
Auto relay
Mute
Microphone
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16. Interpreter Desk LBB 3520/10 -- + + 4 a b c
Floor
Auto relay
A B
Mute
4 ENG 2 FR GER English OFF
Engaged
Relay select
Microphone
Call
Clear
Message
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17. Interpreter Desk End of section  Robert Bosch GmbH
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