What is the primary purpose of a 'bank alarm' system?

A bank alarm system serves multiple crucial functions, which is why the most encompassing choice is the best answer. The primary purpose of such a system includes alerting employees on the premises to potential emergencies, ensuring they can take appropriate safety measures. It also plays a vital role in signaling theft, as the alarm is designed to activate in response to unauthorized access or suspicious activity, thereby enhancing security. Finally, the alarm system often notifies law enforcement agencies, enabling a rapid response to criminal incidents, which is essential for mitigating loss and ensuring safety. Each of these roles is integral to the overall effectiveness of a bank alarm system, justifying the selection of all-encompassing answer.