TeachLogic Spectrum IMA-840, Руководство по установке

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Spectrum
™
Fire Alarm Mute Input
13
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Fire Alarm Mute Input
The 2-pin orange Phoenix connector labelled Fire Alarm Mute
Input provides a connection to mute the TeachLogic amplifier.
SYSTEM BEHAVIOR
•
When interfaced to the fire alarm panel relay contact output,
all audio inputs (microphones, DVD, etc.) will MUTE.
• In the event of a fire, this will help to lower the overall decibel
levels and help students and staff hear the audible fire alarm
tones/ instruction within the classroom.
• Audio resumes at original volume 11 seconds after closure
ceases being detected.
CONNECTION
•
This feature requires a contact closure from the Fire Alarm
Panel and the TeachLogic terminal is for a normally open
connection.
• Fire alarm system connects to a 2-pin Phoenix connector on
back of amplifier.
•
Refer to fire alarm system manual or manufacture’s spec to
confirm proper wire connection.
KEY SPECS
• Dry contact closure
• Normally open position
• No voltage required