Element 7: GMDSS Radio Operating Practices

effective 8/01/2006

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7-A-061: INMARSAT: Log-in & Log-out

7-61I1: Which action must be taken to ensure that incoming message traffic of all priority levels will be received through Inmarsat-C?

The GMDSS Radio Operator must log-in to the desired satellite.

The system needs only to be commissioned and turned on.

No additional action is necessary after turning on the receiver and aiming the antenna at the desired satellite.

The GMDSS Radio Operator must log-in to the desired satellite and receive the message reference number (MRN) from the CES.



7-61I2: When logging into the Inmarsat system using Inmarsat-C, it is necessary to:

Select the Ocean Region.

Enter your IMN.

Enter the CES answer back.

Call the CES and inform them that you are now operating in the appropriate ocean region.



7-61I3: What action should be taken on changing from one ocean region to another?

Log out of the current satellite and log in to the correct satellite.

Power the system down and turn the power back on again.

Manually realign the antenna.

Both a) and c) are correct



7-61I4: The process of logging out involves the following:

Both of the above

Selecting the proper command from the correct menu.

Obtaining confirmation of log out from the NCS.

None of the above



7-61I5: How do you determine that your Inmarsat-C terminal has accomplished a successful login?

None of the above

The red panel lamp lights.

The green synch lamp starts flashing.

The green synch lamp turns on steady.



7-61I6: On many Inmarsat-C terminals, which of the following indicates a successful log-in?

Both of the above

A message is displayed on the screen indicating a successful log-in.

The printer may also print out a notice of a successful log-in.

None of the above





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7-A-060: Selecting an INMARSAT Ocean Region
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Element 7: GMDSS Radio Operating Practices
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7-A-062: INMARSAT: General System Operations