Kepanjangan DSC adalah...

• Draught Selective Call

• Digital Selective Call

• Digital Ship Call

• Digital Selective Centre

Berikut ini frekuensi DSC-MF :

• 2087,5 kHz

• 2187,0 kHz

• 2187,5 kHz

• 21800,5 kHz

Kepanjangan MID adalah

• Maritime Identification Draught

• Most Identification Digit

• Maritime Inpection Digit

• Maritime Identification Digit

Under GMDSS, a compulsory VHF-DSC radiotelephone installation must be tested at what minimum intervals at sea?

• Daily.

• Annually, by a representative of the FCC.

• At the annual SOLAS inspection.

• Monthly.

How many digits are in the MID (Maritime Identification Digits)?

• 7

• 9

• 3

• 10

Which of the following statements concerning MMSI is true?

• Coast station MMSI numbers have 9 digits starting with 4

• All MMSI numbers are 9 digits and contain an MID.

• Ship station MMSI numbers can be 7 digits or 9 digits depending on the Inmarsat terminal.

• Group MMSI numbers must begin with 2 zeros.

When sending a DSC call:

• Vessel’s position will automatically be sent

• Vessel’s position will automatically be sent if the vessel is sending a “Distress Hot Key” alert.

• Vessel’s MMSI will indicate its ocean region.

• None of these.

What is usually the first step for a GMDSS Radio Operator to take when initiating a distress priority message via Inmarsat?

• By dialing the correct code on the telephone remote unit

• By pressing a "Distress Button" or "Distress Hot Key(s)" on the equipment.

• By contacting the CES operator and announcing a distress condition is in existence

• By contacting the CES operator using the radiotelephone distress procedure "Mayday"... etc.

You send a VHF-DSC distress alert. What channel do you use for the follow-on voice transmission?

• Ch-12

• Ch-70

• Ch-13

• Ch-16

You send a MF-DSC distress alert. What frequency do you use for the follow-on voice transmission?

• 2760 kHz

• 2187.5 kHz

• 2182 kHz

• 2174.5 kHz