Bosch Appliances LBB 1912/10, LBB 1914/10, LBB 1906/10 About this manual, Safety precautions

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Plena Mixer Amplifier Installation and Operating Manual About this manual

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About this manual

This manual provides all the information required to install and operate the unit.

Conventions

Warning

Follow these instructions to prevent personal injury.

Caution

Follow these instructions to prevent damage to the equipment.

Note

Read these instructions for tips and other useful information.

Safety precautions

Warning

Do not open the unit when it is connected to the mains. The unit contains non-insulated parts, which can cause electric shock.

Caution

There are no user-serviceable parts inside the unit. Service must be done by qualified personnel.

Bosch Security Systems 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 Setting the VOX for microphone input Internal settingsSetting the speech filters Setting the output voltage for LBB1903, LBB1906 and LBB1912 Setting the chime volumeSetting the output voltage for LBB1914 Installation in rack Connect the DC supply battery External settings and connectionsPriority 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 InputsOutputs Environmental conditionsGeneral Page For more information visit