Bosch LBB 1946 - Table of Contents

Bosch Security Systems | 2003-09 | 3922 988 92483en
Plena System Pre-amplifier | Installation and Operating Manual | Table of contents en | 5
Table of contents
Important safeguards..........................................................................................................................................................3
About this manual ..............................................................................................................................................................4
Safety precautions...............................................................................................................................................................4
Table of contents ................................................................................................................................................................5
1 About the system pre-amplifier .......................................................................................................................................7
1.1 Controls & Connections (front) ...............................................................................................................................8
1.2 Controls & connections (rear) ..................................................................................................................................8
2 Internal settings (system pre-amplifier) ...........................................................................................................................9
2.1 Setting the zones for trigger 1 and 2 .......................................................................................................................9
2.2 Setting tones ..............................................................................................................................................................9
2.3 Setting the Speech filter and call station volume ................................................................................................10
2.4 Setting priority .........................................................................................................................................................10
2.5 Setting single and dual channel use ......................................................................................................................11
2.6 Override contact setting .........................................................................................................................................11
3 Installation in rack (system pre-amplifier) ....................................................................................................................12
4 External settings and connections (system pre-amplifier) ...........................................................................................13
4.1 Connect the DC supply (battery) ..........................................................................................................................13
4.2 Connect a microphone ...........................................................................................................................................14
4.3 Connect the call stations ........................................................................................................................................15
4.4 Connect an emergency input line .........................................................................................................................15
4.5 Connect audio sources for background music .....................................................................................................16
4.6 Connect to a booster ..............................................................................................................................................17
5 Operation (system pre-amplifier) ...................................................................................................................................18
6 About the call stations .....................................................................................................................................................19
6.1 Controls & Connections (top) ................................................................................................................................20
7 Internal settings (call stations) ........................................................................................................................................21
7.1 Chime .......................................................................................................................................................................21
7.2 Setting sensitivity & speech filter ...........................................................................................................................21
8 Operation (call stations) ..................................................................................................................................................22
9 Technical data ..................................................................................................................................................................23
9.1 System pre-amplifier LBB 1925 ............................................................................................................................23
9.1.1 Electrical .............................................................................................................................................................23
9.1.2 Performance .......................................................................................................................................................23
9.1.3 Inputs ..................................................................................................................................................................23
9.1.4 Outputs ...............................................................................................................................................................24
9.1.5 Relays ..................................................................................................................................................................24
9.1.6 Environmental conditions .................................................................................................................................24
9.1.7 General ...............................................................................................................................................................24
9.2 All-call call station LBB 1941 ................................................................................................................................25
9.2.1 Electrical .............................................................................................................................................................25
9.2.2 Performance .......................................................................................................................................................25
9.2.3 Environmental conditions .................................................................................................................................25
9.2.4 General ...............................................................................................................................................................25
9.3 6-zone call station LBB 1946 .................................................................................................................................26
9.3.1 Electrical .............................................................................................................................................................26
9.3.2 Performance .......................................................................................................................................................26