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Declassify
frame memory
Declassifying the memory in the mainframe is a method to ensure sensitive
information is not seen by individuals without the proper clearance.
Declassifying the mainframe places zeros in the instrument's RAM memory.
This clears all the setup memories, waveform memories, pixel memories,
front-panel setups, channel memories, and function memories. Declassify the
mainframe in situations when you are concerned about the security of the
work you are performing.
For example, you would declassify the mainframe when you are going to
leave the instrument unattended for a while or when someone is visiting your
area that does not have the clearance to know about your work. When the
instrument is not declassied, there is always the possibility that someone
could
analyze
the
front-panel
setups
or
RAM
memory
of
the
instrument
to
determine the
type of
work you
are performing.
This
process
takes
about
14 seconds
to complete
.Do
not cycle
power
until
the
message
is
displayed.
After
the
instrument declassies
the memory
in
the
mainframe
,
the
screen
displays
the
message:
Frame
Memory
is
Declassified.
This
message
stays
on
the
screen
until
the
instrument
is
no
longer
declassied.
11-83
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