Bosch Appliances LBB 1912/10 Car Amplifier User Manual


 
Bosch Security Systems | 2003-09 | 3922 988 92883en
Plena Mixer Amplifier | Installation and Operating Manual | en | 19
5 Operation of mixer amplifier
Figure 4.6
Use the supplied mains cord to connect the system to the mains supply.
Figure 5.1
5.1 Source selection
Use the music source selector (8) to select one of the connected music sources.
Use the input volume controls (3, 4, 5, 6 and 7) to balance the sound level of the microphone inputs and the
background music.
5.2 Volume and tone control
Use the master volume control (11) to control the volume of the music/microphone mix.
The treble and bass tone controls (9 and 10) affect the microphones as well as the music.
5.3 Zone selection (LBB1914/10 only)
Use the zone selection buttons (12 and 13) to route the music/microphone mix from the amplifier output to
loudspeaker zone 1 and/or loudspeaker zone 2. Priority announcements, however, are always routed to both
zones, irrespective of the position of the zone selection buttons.
Operation of mixer amplifier
3
0dB
-6dB
-20dB
Power
1
4
2
Line
CD AUX
Master Zone1 Zone2
Select
Plena Mixer Amplifier
2
1
5 6 7 10 11 12 13
3
4 8 9
Only for LBB1914/10