64I5 D
 Why is the automatic answerback request (WRU) first used by the LES after an Inmarsat-B TELEX call has been placed from a ship?
A. Let the LES operator know the printer is functioning correctly.
B. Get the identity of the ship station and start the channel assignment process.
C. Verify that there is a good connection with no transmission errors.
D. Identify the SES making the request.
