HP 3400A - Page 24

Maintenance
described
herein
is
performed
with
power
supplied
to
the
instrument,
and
protective
covers
removed.
Such
maintenance
should
be
performed
only
by
service-trained
personnel
who
are
aware
of
the
hazards
involved
(for
example,
fire
and
electrical
shock).
Where
maintenance
can
be
performed
without
power
ap-
plied,
the
power
should
be
removed.