After having activated the emergency position indicating radio beacon，you should（）.<br>A:turn it off for 5 minutes every half-hour<br>B:turn it off and on at 5 minute intervals<br>C:turn it off during daylight hours<br>D:leave it on continuously

After having activated the emergency position indicating radio beacon，you should（）.
A:turn it off for 5 minutes every half-hour
B:turn it off and on at 5 minute intervals
C:turn it off during daylight hours
D:leave it on continuously

出自：海船船员证

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