Unimode 400 Operations PN 50709:A 10/20/97 23
5. Voice Alarm Systems
Overview
The Voice Alarm System (VAS) provides a voice evacuation subsystem for the
Unimode400 Fire Alarm Control Panel. Operating features include automatic
evacuation messages, local and fire fighter control of paging, and two-way
communications in an emergency situation. A paging microphone, a master telephone
handset and control unit, coupled with a fully electronic emergency message recorder,
ACS annunciator for speaker and fire phone control, and easy-to-use operator controls
provide the Unimode400 with a state-of-the-art emergency communications
subsystem.

Operating Features

All field circuits—speaker circuits or telephone circuits—are fully supervised and
power limited by the control panel. The Fire Fighters Command Center is fully field
programmable, and does not require special tools or equipment. Operating features
include the following:
•Prerecorded evacuation message
•Page-by-phone from anywhere in a building
•Dual channel option
•Style Y or Z speaker circuit operation
•Audio Amplifiers with switch-mode power supplies
•All Call voice paging switch
•Field configurable and programmable modules

In this Section

This section contains operating instructions for using audio features through the control
panel and covers the following topics:
Table 17 Voice Alarm System Topics
Topic Refer to page...
Automatic Message Generators (AMG-1, AMG-E) 25
Automatic Tone Generators (ATG-2) 31
Fire Fighter's Telephone (FFT-7, FFT-7S) 34
Audio Amplifiers (AA-30, AA-100, and AA-120) 35
Voice Message Options 39