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General| Brand | Bosch |
|---|---|
| Model | Plena LBB1990/00 |
| Category | Security System |
| Language | English |
Defines the manual's purpose, intended audience, and related documentation.
Explains the types of alerts and safety signs used in the manual.
Provides SI to non-metric unit conversion tables for length, mass, and pressure.
Introduces the Plena Voice Alarm System, its applications, and types.
Defines a basic system as one installed, configured, and operated without a PC.
Details the LBB1990/00 Voice Alarm Controller, its functions, and components.
Describes the LBB1956/00 Call Station for business calls and its overview.
Covers site requirements, unpacking procedures, and CD-ROM contents.
Details table-top and 19-inch rack-mounting installation for the controller.
Explains how to connect the hand-held emergency microphone.
Describes the two BGM inputs for connecting background music sources.
Details connecting the call station to the voice alarm controller.
Explains connecting external power amplifiers for output and input.
Details connecting loudspeakers to the 6 zone outputs.
Describes override outputs for 4-wire and 3-wire volume control.
Describes the line output for connecting to recording devices.
Explains the mic/line input for business calls or emergency links.
Details output contacts for indicating system states.
Steps for connecting the controller to mains power using the voltage selector.
Explains connecting a 24V(DC) input for battery backup power supply.
Details system settings configured via DIP switches on the controller rear.
Explains APR mode for Asian-Pacific Region standards and its operational differences.
Explains enabling/disabling system supervision for evacuation standards.
Details loudspeaker line supervision for short-circuit and impedance faults.
Covers supervision for messages, microphones, power, and amplifiers.
Explains how the 2ch operation switch sets 1-channel or 2-channel mode.
Details VOX configuration for the mic/line input using DIP switches.
Explains call station configuration using DIP switches for ID, sensitivity, and filter.
Steps for switching the voice alarm controller on and off.
Explains when and how to calibrate the system for line impedance supervision.
Covers selecting BGM source, zones, and volume controls.
Details adjusting BGM master/zone volumes and treble/bass frequencies.
Describes distributing business calls via call stations and making announcements.
Covers entering, acknowledging, exiting, and distributing live speech in emergency state.
Steps to select zones and start distributing the default alert message.
Explains how to distribute the default alarm message.
Details acknowledging and resetting the fault state and indicators.
Describes system and loudspeaker line fault indicators and their meanings.
Provides electrical, performance, interconnection, environmental, and general data.
Details mains voltage, current, inrush current, and battery voltage/current.
Lists message manager, amplifier, interconnection, and output specifications.
Details trigger inputs, BGM, line out, external amp, and environmental data.
Covers operating temperature, humidity, EMC, dimensions, and weight.
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