What is the primary communication method used by the One-Way Voice Communication System?

The primary communication method used by the One-Way Voice Communication System is one-way audio broadcasting. This system is designed specifically to allow communications from a central source to many locations without enabling a response from the receiving end. In emergency situations, clear and immediate information dissemination is crucial, and one-way audio broadcasting provides a direct and efficient means for authorities to relay important updates, instructions, and alerts to first responders and the public.

Other methods, such as two-way radios, are designed for back-and-forth conversations, and would not effectively serve the purpose of one-way communication. Text messaging lacks the immediacy and auditory presence necessary in many emergency scenarios. Visual signals may complement communications but do not replace the need for clear audio messaging in an audible format. Thus, one-way audio broadcasting is essential for establishing a reliable communication channel during critical incidents.