Furuno FELCOM 81B - Manual (Page 62)

6.2 Registering Answerback Code
(Class 1 only)
Overview Enter ship's answerback code at installation.
The answerback code cannot be changed once
registered. Confirm the code before pressing
the key.
Procedure Press , and in this order at standby-
display.
How to enter
Telex IMN No.
4 characters
(9 digits)
(Ex.) 343164830 JFKS X
6.2 Registering Answerback Code (Class 1 only)
6-2
Enter
F4 3 8
!! ATTENTION: CAN NOT REENTER !!
Cursor
Enter your ship's answerback code given by
Inmarsat, then press the
key.
[Normally, answerback code consists of telex IMN
(IMN: Inmarsat Mobile Number) given by Inmarsat
and four characters requested by applicant.]
Enter