A DSC Distress alert:

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d38jGCdwcdaoCNnb1EhM

A DSC Distress alert:

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🔍 Key Concepts

• Digital Selective Calling (DSC) distress procedures on GMDSS equipment • The meaning of "will always" vs. "must always" in multiple-choice wording • Which radio services (VHF, MF, HF) use DSC distress frequencies and how equipment chooses them

💭 Think About

• Ask yourself: Is a DSC distress alert tied to only one specific channel, or can it use different frequencies depending on the equipment and sea area? • Consider whether the question is about the operator’s obligation (what you must do) or about how the DSC system is designed to operate automatically (what will always happen). • Think about whether MF/HF sets send on a fixed combination of frequencies, or whether they can send on one or more appropriate distress frequencies.

✅ Before You Answer

• Verify which dedicated channel is used for VHF DSC distress alerts (channel number and band). • Verify that DSC distress alerts on MF/HF are defined in terms of specific DSC distress frequencies, not in terms of a fixed sequence you must manually follow. • Check the wording difference between options that refer to a single mandatory channel versus those that refer to one or more DSC distress frequencies, and which best matches the GMDSS DSC design.

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Question 1 of 20d38jGCdwcdaoCNnb1EhM

A DSC Distress alert:

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Question 1 of 20

d38jGCdwcdaoCNnb1EhM

A DSC Distress alert:

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🔍 Key Concepts

💭 Think About

✅ Before You Answer

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