Printing
History
New
editions of this Jnanual will incorporate all material
updated
since
the
previous edition.
Update packages may
be
issued between editions
and
contain replacement
and
additional pages
to
be
merged into
the
manual by
the
user. Each
updated
page will
be
indicated by a revision
date
at
the
bottom
of
the
page. A vertical
bar
in
the
margin indicates
the
changes on each page.
Note
that
pages which are rearranged
due
to
changes on a previous page are not considered
revised.
The
manual printing
date
and
part
number indicate its
current
edition.
The
printing
date
changes when a new edition
is
printed. (Minor corrections
and
updates
which
are
incorporated
at
reprint do not cause
the
date
to
change.)
The
manual
part
number changes when extensive
technical ehanges are incorporated.
December 1986 ... Edition 1
Printing
History iii