Introduction - If you have any usage issues, please Google them yourself
It can call 16 beds at the same time, buzzer rings after calling, two digital tubes display the call room number, and call the ward number in order according to the ward call, by 4 * 4 matrix keyboard instead of the call button, and 4 * 4 matrix response button, press the corresponding ward number response button, the digital tube will no longer show the phase The buzzer stops ringing when the ward number is called. There are simulation and program in it. It has been debugged successfully.