7-A-093: MF-HF: addressing modes: DIRTLX, Store-Forward, etc
7-93J1:
Which of the following keystrokes or characters is sent as part of ARQ communications to request a direct TELEX call to a shore-based location?
DIRTLX023123456+
MSG+
GA+?
ENTER
7-93J2:
The DIRTLX command should be given to a coast station at what point in time?
After receipt of the Go Ahead indication following the automatic exchange of answerbacks.
Immediately following the automatic exchange of answerbacks.
After receipt of the Go Ahead indication followed by the automatic exchange of answerbacks.
Sent at the beginning of the message to request a direct TELEX connection.
7-93J3:
Which automatic TELEX command should be sent by a ship station during SITOR operations to properly address a weather report to the national weather authority?
OBS+ and then send the weather report.
WX+ followed by the text of the report.
OBS+ then MSG+ to indicate weather report.
GA+? then OBS+ and then send the weather report.
7-93J4:
Which of the following would be a valid automatic TELEX code and number for a request for a real-time TELEX connection to a shore-based TELEX terminal?
DIRTLX023424998+.
DIRTLX then waits for MSG+ to dial 023419645+.
DIRTLX23122445+.
DIRTLX followed by GA+? and the TELEX number.
7-93J5:
When requesting a direct TELEX connection to a vessel's Inmarsat-B terminal, (i.e. making a SITOR (NBDP) call to an Inmarsat-B unit) the GMDSS operator must:
DIRTLX, 0, Ocean Area Code, TELEX number, +.
DIRTLX, 00, Ocean Area Code, TELEX number, +.
DIRTLX, 0, Country code, TELEX number, +.
DIRTLX, 00, Country code, TELEX number.
7-93J6:
To correctly address a SITOR (NBDP) message and transmit it "live" to a shore-based office the GMDSS operator would dial which sequence:
DIRTLX051440344+
DIRTLX0051440344+
DIRTLX581440344+
DIRTLX05811500260+
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Color key:
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● = Unseen
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● = Weak
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● = Review
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● = Learned
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● = Incorrect answer
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