Appendix B B-3
SIGN CHARACTERS
+
Positive value / not designated as a
blank well
-
Negative value- / not designated as a
blank well
*
Out-of-range value-/ not designated
as a blank well
P
Positive value / used as a blank well
N
Negative value- / used as a blank
well
O
Out-of-range value / used as a blank
well
,,(space)
Output value has not been read
Table B-1: Sign Characters
When an asterisk (*) or an O character is used, the four digits that follow
are undefined and ignored by the receiving program, although they
should be ASCII printable characters. The space character should be
followed by four more space characters.
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