HP 3455A - Page 67

Maintenance
described herein is
performed
with power
supplied
to
the instrument, and
pro-
tective
covers removed. Such
maintenance
should
be performed
only
by
service-trained
personnel who are
aware of the hazards in-
volved {for example,
fire and
electrical shock).
Where maintenance
can
be
performed without
power applied, the
power should be removed.