ACEN ZONAL BROADCASTING SYSTEMS
School Broadcasting and Monitoring System Zonal Broadcasting and Talk-Back System Zonal Paging System
ACEN School Broadcasting and Monitoring System SBC400    * For broadcasting announcements in schools, colleges and large buildings where announcements are required to be made in selected location/s. *Provides a facility for audio monitoring of a selected location.
Central Console	Junction Box
Available in multiples of 20 zones capacity up to a maximum of 60 zones. External power amplifiers are required.
Construction:
The console is a table top mounting type. It is wired to Junction boxes - one junction box per 20 zones. These junction boxes are wall mounted. Radial loudspeaker cabling is done to all zones from these junction boxes.
Programme inputs:
A built-in mictophone can be used for live announcements. There is also a provision to connect a remote microphone. The console also accepts a 'Line input' for broadcasting recorded programs.
Monitoring:
Monitoring of the program being broadcast or the audio from the zone is available on a loudspeaker or a headphone.
A bar-graph level indicator is also provided to monitor the volume level of Broadcast. A CHIME signal precedes an announcement.
Zone selection:
Announcement can be made in a selected zone or in a preformed group of five zones. Up to 4 preformed groups are possible in a 20 zone console and 8 preformed groups in a 40 zone console. A special group for one time use can be formed to include any desired zone.
All Call facility:
An ‘All Call ‘ facility is available which enables broadcasting to all the zones with a single switch.

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