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SECTION 7
AUDIO SYSTEMS
INTRODUCTION
This section covers the following topics:
• General Audio System information
• Single Channel Audio operation
• Dual Channel Audio operation
• Triple Channel Audio operation
• Phone operation
• Optional Feature operation.
Contact your local Simplex Branch Office to determine your audio configuration. Use the topics that apply
to your audio system.
GENERAL INFORMATION
The following paragraphs contain material which is applicable to all audio systems. They describe system features
and general operating procedures.
AUDIO FEATURES
The 4100 Voice Communications option provides automatic alert and evacuation messages over pre-programmed
speaker circuits during an alarm condition. Evacuation messages may also be manually initiated either to all areas
of a building or to specific areas within the building. The dedicated system microphone provides live voice message
delivery to any area within the building. Voice messages or voice codes can be created with the English language
(or a foreign language). Two-way communications are available with the Fire Fighter’s Phone System. The system’s
phone-to-audio interface enables the Master Phone or any remote Fire Fighter’s phone to be patched through the
audio system and operated as a microphone.
SYSTEM OPERATION
The audio system is configured and programmed to meet individual customer and code requirements. Audio
systems are available in Single Channel, Dual Channel, and Triple Channel configurations. Single Channel systems
can output one tone or message at a time. Dual Channel systems can output two tones or messages simultaneously.
Triple Channel systems can output two tones or messages AND a talk output simultaneously. Signal routing and the
purpose of each channel depends on the number of audio channels in the system, as shown in Table 3.
Table 3
Audio System Configurations
SINGLE CHANNEL
CHANNEL 1 = EVAC
CHANNEL 1 = ALERT
CHANNEL 1 = TALK CHANNEL 3 = TALK
CHANNEL 2 = ALERT
CHANNEL 1 = EVAC
TRIPLE CHANNEL
CHANNEL 2 = TALK
CHANNEL 2 = ALERT
CHANNEL 1 = EVAC
DUAL CHANNEL
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