High Power Expandable Intercom

* High Power Expandable Intercom* Nationwide Installation Available* Costeffective Communication For 25 To 75 Rooms* Can Be Furnished With 1 2 Or 3 Room Selector Panels (each With 25 Switches) To Accommodate Up To 25 50 Or 75 Rooms (model Sba225)* Stepbystep Instructions And Colorcoded Guidelines For Easy Operation* Instant Emergency And All Rooms Announcements* Remote Emergency Paging Capabilities* 20watt Intercom; Separate 35watt Program Channel* Provision For Time Signalling Telco And Voice Callin* Aural And Visual Monitoring Of Program Material As Well As Level Controls* Transmit A Time Tone For Classroom Change Etc.* Emergency Allcall With A Single Pushbutton* Emergency Announcements Take Precedence Over All System Functions And Are Transmitted At A Predetermined Level* Emergency Paging From A Remote Telephone Or Microphone* Teachers Converse Handsfree With The Control Center Operator Over Their Individual Classroom Speaker* Calls To Staff Locations Are Announced By A Supervisory