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Internal Settings; Setting The Vox For Microphone Input 1; Setting The Speech Filters - Bosch LBB 1903/10 Installation And Operating Manual

Plena mixer amplifier installation and operating manual
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Plena Mixer Amplifier | Installation and Operating Manual |
2

Internal settings

1
2
3
1
2
3
70V
100V
JP802
LBB1903/10
LBB1906/10
LBB1912/10
Figure 2.1
1
2
3
1
2
3
70V/100V
8 Ohm
JP902
LBB1914/10
Figure 2.2

2. 1 Setting the VOX for microphone input 1

Input 1 has the option of a voice-controlled priority (VOX), which will overrule all other inputs when it recognizes
a voice signal. To activate this function, set the VOX-jumper (JP406) to ON.

2.2 Setting the speech filters

The speech intelligibility can be improved by cutting off the lower frequencies of the signal. To activate this filter for
each microphone input, set the respective filter jumper (JP401 for input 1, JP402 for input 2, JP403 for input 3 and
JP405 for input 4) to ON.
Bosch Security Systems | 2003-09 | 3922 988 92883en
Internal settings
Mic. 4
Mic. 3
Mic. 4
VOX
Mic. 2
Mic. 1
VR401
1
Mic. 4
Mic. 3
Mic. 4
VOX
Mic. 2
Mic. 1
VR401
1
1
2
100V
en | 10
Mic. 3
VOX
Mic. 2
Mic. 1
2
3
1
2
3
OFF
ON
Mic. 3
VOX
Mic. 2
Mic. 1
2
3
1
2
3
OFF
ON
3
1
2
3
70V
JP901

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Lbb 1906/10Lbb 1912/10Lbb 1914/10