The message text must have been already composed and entered into
a. The prompting consists of the terminal printing a series of questions, each one followed
by a carriage-return and line-feed.
b. After each question, the operator must respond with a typed input, followed by a carriage-
return. The number and type of characters to be input are given in parenthesis at the end of the
question. If the input does not conform in number and type, error message No. 10 is printed, and
the question is repeated.
c. The keystroke sequence for the HEADER subcommand is " b0HEADERb0CR ".
d. The shortest acceptable form of the subcommand is H.
e. Whenever data is being input, preceding and following spaces are allowed. The correc-
tion keys (DLC, DLL, REV), and CAPIT subcommand are active.
f. All numbers are entered with or without preceding zeros, as required. If the HLT key is
pressed during the prompting, the prompting sequence is terminated, and control is returned to
the EDIT command, and no change is made in the message.
g. For purpose of preparing the header, refer to table H-1.
The JANAP 128 PLAIN DRESS header format is subject to periodic changes.
Operator will refer to the station's Standard Operating Procedures (SOP) for