Digital Bell Broadcasting System – First of its Kind in India: Announcement System with Talk Back and Integrated Automatic School Bell on Single Cable
100% Two Way PA Broadcasting System. All rooms are connected on a Single cable. No need to lay 50 cables for 50 rooms or 80 cables for 80 rooms.
Digital Bell Broadcasting System | Key Features
1. Fully digital Switching.
2. 07 Mode of operation
(a) All Call mode
(b) Group call: 05 Groups of 10 rooms each.
(c) One-to-one call
(d) Selected rooms call
(e) Listening mode (Spying mode)
(f) External Audio Mode: External music can be played through Computer, Laptop, Mobile, iPod, etc.
(g) Automatic Bell Ringing System.
3. No external amplifier, speaker, or microphone is required
4. No external audio switcher is required.
5. Reduced number of items makes it easy to maintain.
6. Reduced wiring cost (up to 1/10 th)
System components:
- Master Unit: To be installed in Director/Administrator/Principal Room. The Master unit consists of Mic, speaker, and 16X2 character menu-driven LCD display. 24 Key keypad to instruct the system in a user-friendly manner.
- Slave Unit: To be installed in classrooms / Labs / Staff rooms / Activity Rooms / Department Cabins etc. Consists of a built-in speaker & Mic.
- Power Supply: One Linear supply unit for 05-08 slave units.
Operation:
1. One to One Communication with Talk Back (Two – Way Communication): Master (Principal/Admin/
Directors unit) can speak as well as listen to any selected room without disturbing other rooms.
2. All Call / General Announcement: Announcements of common interest can be made using the ALL CALL feature. Voice will be audible in all Slave / Classroom units connected with this system.
3. Group Call: Users can make 05 groups of up to 10 rooms each to make group announcements. Groups can be made of rooms sharing common interests like Senior sections, junior sections, playgroups, staff rooms, etc…
4. Selective Call: Rooms other than a group made, can be called selectively by entering room numbers directly in the Master controller.
5. External Audio: 3.5mm Jack is provided at the back of the Master controller for playing music from external
devices like Desktop, Laptop, Tablet, Mobile, etc.
6. Automatic Bell Ringing System: Most advanced feature-rich automatic school bell system is integrated with this system. Users can program the whole day’s schedule and the bell will ring automatically. All 7 days of the week can be programmed with different timetables.
7. Micro-SD Card: Provisions to mount Micro-SD card. Users can upload desired sound files to use as bell
sounds or for playing music. 53 sound files are factory loaded. These 53 sound files include various
combinations like female voice narration – This is Period No 1, it’s your lunchtime, etc. and traditional
Tawa bell sound “Tan-Tan”.
8. Calendar Holidays – The user can program 10 Holidays for each month. So a total of 120 holidays excluding Sundays can be programmed into this device. Bell will not ring on these holidays.
User Interface:-
Master Unit:
1. 24 Key keypads for the user interface.
2. 16X2 LCD Display.
3. Jack for connecting any desired Micro-Phone.
4. 3.5mm jack for playing external audio.
5. Volume Control Knob for speaker unit.
6. Jack for mounting Micro-SD card.
Slave Unit:
1. Built-In Micro-Phone.
2. 4” Speaker.
3. Volume Control Knob for Speaker.
Maintenance:
The whole system is running only on a single cable so it is very easy to maintain compared to traditional systems, no efforts are required in this system to manage and maintain a huge bunch of cables. Asks for less space in the Administrators cabin. No need to put huge control panels on the Administrator’s table.
Dimensions and Weight:
Master Unit: 256mm X 200mm X 77mm – Weight with Packing: 2 Kgs
Slave Unit: 130mm X 172mm X 88mm – Weight with Packing: 1.25 Kgs
Power Supply: 100mm X 108mm X 120mm – Weight with Packing: 2.5 kgs.