Put it at the start of a dispatch, training or roleplay edit, before the action or narration begins, so it frames everything that follows. Pair it with the Discord Notification after it, to suggest a message arriving in response to the call, and keep the pager as the opening signal.
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This is a short fire-service pager tone, the electronic alert for Centre County Company 6, lasting just under five seconds. It gives a listener an immediate jolt of urgency, the sharp call-to-action feeling of a crew being summoned. The tone comes from the Centre County fire company's pager system.