Procedure for Declassifying a Faulty Instrument
If the instrument is not functioning and the user is unable to use the front panel or the remote interface to declassify
the instrument, the user must physically remove the front panel printed circuit assembly from the instrument. Once
this assembly is removed, proceed with one of these options:
l Destroy the front panel printed circuit assembly using a DSS/NISPOM approved destruction method,
OR
l Remove the NAND flash memory component (U302) and SRAM memory component (U403) located
on the front panel printed circuit assembly, and destroy them using a DSS/NISPOM approved destruc-
tion method.
For module, the user must physically remove the module's printed circuit assembly from the instrument. Once this
assembly is removed, proceed with one of these options:
l Destroy the module's printed circuit assembly using a DSS/NISPOM approved destruction method,
OR
l Remove the MSP430 processor component located on the module card printed circuit assembly, and
destroy it using a DSS/NISPOM approved destruction method.
Refer to the procedures in DAQ970A Service Guide for removing the front panel circuit assembly.
Send the instrument to a Keysight repair facility. If the unit is still under warranty, the repair facility will replace the
front panel printed circuit assembly. If this restores instrument functionality, the user will not be charged for the
new assembly. If a different assembly is at fault, the user will be charged for the new front panel assembly even
though the instrument is still under warranty.
16
Keysight DAQ970A Security Guide
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