Bosch Appliances LBB 1912/10, LBB 1914/10, LBB 1906/10, LBB 1903/10 manual For more information visit

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2003-09 3922 988 92883en

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Contents Plena Mixer Amplifier Page Important safeguards Safety precautions About this manualTable of contents Bosch Security Systems 2003-09 3922 988 92883en Phantom Power About the mixer amplifierControls and connections front Controls and connections rear Internal settings Setting the VOX for microphone inputSetting the speech filters Setting the chime volume Setting the output voltage for LBB1903, LBB1906 and LBB1912Setting the output voltage for LBB1914 Installation in rack External settings and connections Connect the DC supply batteryPriority microphone Chime ON/OFF-switch 115V/230VMicrophone inputs Emergency inputConnecting the line output Music source inputsConnecting loudspeakers LBB1912/10Mains connection 2Low impedance loudspeakersVolume and tone control Operation of mixer amplifierSource selection Zone selection LBB1914/10 onlyTechnical data ElectricalPerformance Inputs Outputs Environmental conditionsGeneral Page For more information visit