Plena Mixer 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 mixer amplifier | 7 | ||
| 1.1 | Controls and connections (front) | 8 |
| 1.2 | Controls and connections (rear) | 9 |
2 | Internal settings | 10 | |
| 2.1 | Setting the VOX for microphone input 1 | 10 |
| 2.2 | Setting the speech filters | 10 |
| 2.3 | Setting the chime volume | 11 |
| 2.4 | Setting the output voltage for LBB1903, LBB1906 and LBB1912 | 11 |
| 2.5 | Setting the output voltage for LBB1914 | 11 |
3 | Installation in rack | 12 | |
4 External settings and connections | 13 | ||
| 4.1 | Connect the DC supply (battery) | 13 |
| 4.2 | Priority microphone | 13 |
| 4.3 | Chime | 14 |
| 4.4 | Microphone inputs | 15 |
| 4.5 | Emergency input | 15 |
| 4.6 | Music source inputs | 16 |
| 4.7 | Connecting the line output | 16 |
| 4.8 | Connecting loudspeakers | 17 |
| 4.8.1 | Constant voltage loudspeakers | 17 |
| 4.8.2 | Low impedance loudspeakers | 18 |
| 4.9 | Mains connection | 18 |
5 Operation of mixer amplifier | 19 | ||
| 5.1 | Source selection | 19 |
| 5.2 | Volume and tone control | 19 |
| 5.3 | Zone selection (LBB1914/10 only) | 19 |
6 | Technical data | 20 | |
| 6.1 | Electrical | 20 |
| 6.2 | Performance | 20 |
| 6.3 | Inputs | 20 |
| 6.4 | Outputs | 21 |
| 6.5 | Environmental conditions | 21 |
| 6.6 | General | 22 |
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