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2003-09 3922 988 92883en

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Contents

Plena Mixer Amplifier Page Important safeguards Safety precautions About this manual Table of contents Bosch Security Systems 2003-09 3922 988 92883en Phantom Power About the mixer amplifier Controls 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/230V Microphone inputs Emergency input Connecting the line output Music source inputs Connecting loudspeakers LBB1912/10 Mains connection 2Low impedance loudspeakers Volume and tone control Operation of mixer amplifierSource selection Zone selection LBB1914/10 only Technical data ElectricalPerformance Inputs Outputs Environmental conditions General Page For more information visit