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並前往https://www.e2s.com/references-and-guidelines/listen-and-download-alarm-tones

Listen and download alarm tones - E2S Warning Signals

Tone WAV file Frequency Description T 1 ↓ 340 Hz Continuous T 2 ↓ 800/1000Hz @ 0.25 sec Alternating T 3 ↓ 500/1200Hz @ 0.3Hz 0.5 sec Slow Whoop

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