User's Manual
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Car Amplifier
Bosch LBB 1914/10
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Table Of Contents
Important safeguards
About this manual
Safety precautions
Table of contents
1 About the mixer amplifier
1.1 Controls and connections (front)
1.2 Controls and connections (rear)
2 Internal settings
2.1 Setting the VOX for microphone input 1
2.2 Setting the speech filters
2.3 Setting the chime volume
2.4 Setting the output voltage for LBB1903, LBB1906 and LBB1912
2.5 Setting the output voltage for LBB1914
3 Installation in rack
4 External settings and connections
4.1 Connect the DC supply (battery)
4.2 Priority microphone
4.3 Chime ON/OFF-switch
4.4 Microphone inputs
4.5 Emergency input
4.6 Music source inputs
4.7 Connecting the line output
4.8 Connecting loudspeakers
4.8.1 Constant voltage loudspeakers
4.8.2 Low impedance loudspeakers
4.9 Mains connection
5 Operation of mixer amplifier
5.1 Source selection
5.2 Volume and tone control
5.3 Zone selection (LBB1914/10 only)
6 Technical data
6.1 Electrical
6.2 Performance
6.3 Inputs
6.4 Outputs
6.5 Environmental conditions
6.6 General
Plena Mixer Amplifier
| Installation and Operating Manu
al | T
able of Contents
en
| 6
Bosch Security Systems | 20
03-09 | 3922 9
88 92883
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