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4
1 Introduction / Overview
1.1 Product Description
This manual covers the installation and operation of the AV-VBM Audio Panel w/Microphone and AV-VB Distributed
Audio Booster. The AV-VBM and AV-VB consist of an audio amplifier module containing; two (2) 40 watt amplifiers
(controlled together, or one dedicated as a backup amplifier), a digital message/tone generator, supervision
circuitry, a power supply charger and an enclosure (see figure 1). In addition, the AV-VBM includes an AV-MIC
microphone and AV-SM switch/LED module for manual control of messages and live voice communication (see
figure 2). AV-VB distributed audio booster can also be configured for use in Axis
AX
PBUS (485) amplifier
installations. When used as a PBUS (485) amplifier, each AV-VB booster can accommodate 16 prioritized
messages and operate with other amplifiers in “PerfectSync”.
Note: Messages played on the AV-VBM audio panel w/microphone or on the AV-VB distributed audio
booster are broadcasted via two electrically independent amplifiers (speaker circuits) playing
simultaneously. In addition, the AV-VB distributed audio booster can be utilized in an Axis
AX
PBUS (RS485)
audio installation, supporting sixteen (16) prioritized messages and Advanced “PerfectSync”
synchronization.
Both the AV-VBM audio panel w/microphone and AV-VB distributed audio booster are designed to provide audio
signaling during an emergency situation (alarm, alerts, warnings, mass notification, etc.). In addition, the AV-VBM
can also provide live voice communication override. Both the AV-VBM and AV-VB are designed for use in
conjunction with an Axis
AX
intelligent fire alarm control panel or any other ANSI/UL864 Listed fire alarm control
panel. The AV-VB distributed audio booster can also be utilized in Axis
AX
intelligent fire alarm control panel PBUS
(RS485) amplifier installations.
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