School bell Modes of operation (Summer, Winter, Unit Test and Examination mode) to cover all schedules of the year and special events like sports, examination or annual functions etc....
APPLICATIONS: Schools, Colleges, Education institutes, coaching institutes etc Use full: System fully relieves the person responsible to ring bell at accurate time. It is fully automatic. Special features: 1.Display: 32 Character digital display to...
To begin time keeping and initiate the bell mechanism using the Automatic School Bell circuit, the peon needs to momentarily press switch S1 to mark the beginning of first period. Thereafter, the bell sounds every 45 minutes to indicate the end of...