11 NBDP TRANSMITTING, RECEIVING

11.9.4 Store-and-forward method

The following is the sequence of events in transmission of a file by the store-and-forward method.

1.Shipboard station sends message to coast station.

2.Coast station stores message in memory buffer.

3.Shipboard station and coast station clear the radio circuit.

4.Coast station sends message to subscriber designated.

Actual procedure for store-and-forward telex

No. Procedure

DisplayRemarks

1 Call a coast. station.

2Transmit WRU signal.

3Key in subscriber's Telex number. Example: (Hong Kong) 12345

CONNECT appears in reverse video (and bell sounds).

00190 TLG DK

26 X X X SHIP X GA+?

Free-signal found; radio circuit ready.

Initial identity exchange between coast station and shipboard station

TLX80212345+

4Transmit file.

5When transmission is completed, type KKKK.

MSG+?

26 X X X SHIP X

00190 TLG DK GA+?

Request to start message transmission

Message transmission

Transmit your answerback code. Receive other party's answerback code.

6Transmit BREAK command to clear radio circuit.

11-13

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Sony FS-2570, FS-1570 manual Store-and-forward method, 11-13, Actual procedure for store-and-forward telex