Terms
The following terms may be used in this document:
■
Clear: This eradicates data on media/memory before reusing it in a secured
area. All reusable memory is cleared to deny access to previously stored
information by standard means of access.
■
Erase: This is equivalent to clear.
■
Media: Storage/data export device. A device that is used to store or export
data from the instrument, such as a USB port/USB flash drive.
■
Sanitize: This removes the data from media/memory so that the data cannot
be recovered using any known technology. This is typically used when the
device will be moved (temporarily or permanently) from a secured area to a
nonsecured area.
■
Scrub: This is equivalent to sanitize.
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Remove: This is a physical means to clear the data by removing the memory
device from the instrument. Instructions are available in the product service
manual.
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User Accessible: User is able to directly retrieve the memory device
contents.
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User-Modifiable: The memory device can be written to by the user during
normal instrument operation, using the instrument user interface or remote
control.
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Volatile memory: Data is lost when the instrument is powered off.
■
Nonvolatile memory: Data is retained when the instrument is powered off.
■
Power off: Some instruments have a “Standby” mode, in which power is still
supplied to the instrument. For the purpose of clearing data, putting the
instrument in Standby mode does not qualify as powering off. For these
products, you must either press a rear-panel OFF switch or remove the power
source from the instrument.
■
Instrument Declassification: A term that refers to procedures that must be
undertaken before an instrument can be removed from a secure environment.
Declassification procedures include memory sanitization and memory
removal, and sometimes both.
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