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General safety guidelines and warnings for product installation and operation.
Critical safety instructions for qualified personnel and risk reduction.
Explains the manual's scope and lists related documentation for the Plena system.
Information on accessing the PDF manual and identifying the intended audience.
Explains the meaning of different notice signs used in the manual for safety and information.
Provides unit conversion factors and a record of document revisions.
Introduces the Plena product family and its applications in public address systems.
Details the specific Plena mono amplifier models and their common features.
Guides on installing the amplifier in a 19" rack and ensuring proper ventilation.
Describes the function of each LED indicator on the front panel of the amplifier.
Details all connectors, switches, and terminals located on the rear panel of the amplifier.
Explains how to set the output voltage (70V or 100V) for priority controlled loudspeaker outputs.
Instructions for connecting a 24VDC backup power supply and earth connection.
How to connect line inputs and use loop-through for cascading amplifiers.
Connecting the amplifier to an existing 100V loudspeaker line for additional output power.
Guidance on connecting 100V or 70V constant voltage loudspeakers in parallel.
Instructions for connecting low impedance loudspeakers to the 8 Ohm terminals.
Explains the function of "Priority Only" and "No Priority" outputs.
Describes how to connect the amplifier to the mains power supply.
How the system supervises pre-amplifier and amplifier function using a 20kHz pilot tone.
Monitors the availability of the backup power supply and indicates battery status.
Monitors the availability of the primary mains supply and indicates mains status.
Instructions on how to switch the power amplifier on using the rear panel switch.
How to use priority inputs and control terminals for managing audio sources and zones.
Outlines regular cleaning and checking procedures to keep the units in good condition.
Critical safety warning regarding disconnecting mains power before performing maintenance.
Details mains voltage, battery voltage, and rated power for different models.
Covers frequency response, distortion, and signal-to-noise ratios.
Provides sensitivity and impedance details for line inputs.
Lists output power and battery operation power reduction.
Tabulates power consumption for mains and battery operation at different levels.
Provides dimensions, weight, and mounting bracket information.
Lists operating/storage temperature, humidity, EMC, and fan noise.
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General