What must an operator do before using a One-Way Voice Communication System in an emergency?

An operator must ensure the system is operational and conduct a system check before using a One-Way Voice Communication System in an emergency. This step is critical because it verifies that the system is functioning correctly and can transmit messages as intended. The reliability of communication during an emergency is paramount for effective incident management and coordination. A thorough system check ensures that all components are working properly, which can prevent potential failures during a critical moment when information needs to be rapidly and clearly communicated to personnel on the scene.

While checking the battery status is important for maintaining equipment, it is only a part of the broader system check. Notifying local authorities and reviewing evacuation procedures are also essential components of emergency management but are not specific to the operation of the communication system itself. Ensuring operational readiness of the One-Way Voice Communication System directly impacts response effectiveness, making it the most important step before activation in an emergency situation.