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To meet the increasing demand for fast, reliable, and efficient intercommunication
in small to medium-sized schools, Bogen has developed the SI35A Desktop Control
Center. Incorporating the major features of Bogens larger custom-engineered school
systems in a cost- and space-saving design, the SI35A provides a 20- watt intercom
amplifier to permit instant intercommunication with any speaker-equipped location,
and a separate program amplifier for simultaneous distribution of program material
to other rooms or locations. The system also features an emergency page capability
for emergency announcements to all stations at once. The SI35A can be furnished
with 1, 2 or 3 room selector panels (each with 25 switches), to accommodate up
to 25, 50, or 75 rooms. Step-by-step instructions and color-coded guidelines,
permanently printed on the control panel, allow easy operation, even by firsttime
users.
The SI35A provides complete facilities for distributing a variety of
program materials from optional equipment such as microphones, cassette tape player-
FM/AM tuner, or other source. Selection of program material, as well as its distribution
to selected rooms is accomplished with simple push-button program selection and
by following the color-coded guidelines. The powerful program amplifier provides
35 watts RMS to ensure that program material and emergency announcements are clearly
heard and easily understood. Facilities for aural and visual monitoring of program
material, as well as level controls, are provided. Provisions are included to
transmit a time tone for classroom changes, etc. Emergency announcements to all
classrooms are accomplished with a single push button. These announcements take
precedence over all system functions and are transmitted at a predetermined level.
Provisions are included to permit emergency paging from a remote telephone,
interphone, or microphone. Teachers converse hands-free with the control center
operator over their individual classroom speaker. Calls to staff locations are
announced by a supervisory tone signal, which repeats at regular intervals to
indicate that the channel is open and the room is being monitored. Classrooms
can be equipped with call-in switches to call the control center. Call-in switches
can include classroom privacy control to positively prevent monitoring. Provisions
are included for voice call-in. Modern functional styling permits the installation
of a cassette tape player-FM/AM tuner when system capacity does not exceed 50
stations.
The SI35A operates from a 120V AC, 60Hz source, and consumes no
more than 100 watts. An auxiliary power receptacle is provided for accessory equipment.
The unit is enclosed in a sturdy desktop cabinet, and finished. - Cost-effective
communication for 25 to 75 rooms
- Color-coded guidelines for easy operation
- Instant EMERGENCY and ALL ROOMS announcements
- Remote emergency
paging capabilities
- 20-watt intercom; separate 35-watt program channel
- Provision for time signalling, telco and voice call-in
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