Agilent Technologies E8257D PSG User Manual page 85

DRAM/SDRAM Follow the Department of Defence (DoD) manual's requirements. The instrument must be powered off to purge
the memory contents. The instrument must remain powered off in a secure location for 3 minutes.
Hard Disk All addressable locations are overwritten with a single character and then a random character. (This is
insufficient for top secret data, according to DoD standards. For top secret data, the hard drive must be
removed and destroyed.)
Flash Drive All addressable locations are overwritten with a single character and then a random character. (This is
insufficient for top secret data, according to DoD standards. For top secret data, consult with your local security
officer for approved procedures.)
To carry out this function, press
.
Confirm Sanitize
Removing Persistent State Information Not Removed During Erase
Persistent State
The persistent state settings contain instrument setup information that can be toggled within
predefined limits such as display intensity, contrast and the GPIB address. In vector models, the user
IQ Cal is also saved in this area.
The following key presses or SCPI commands can be used to clear the IQ cal file and to set the
operating states that are not affected by a signal generator power–on, preset, or *RST command to
their factory default:
Instrument Setup
•
On the front panel, press:
•
Or send the command: :SYSTem:PRESet:PERSistent
LAN Setup
The LAN setup (hostname, IP address, subnet mask, and default gateway) information is not defaulted with a
signal generator power–on or *RST command. This information can only be changed or cleared by entering new
data.
User IQ Cal File (Vector Models Only)
When a user–defined IQ calibration has been performed, the cal file data is removed by setting the cal file to
default, as follows:
1.
On the front panel, press:
2.
Send these commands:
•
:CAL:IQ:DEF
•
:CAL:WBIQ:DEF
Using the Secure Mode
The secure mode automatically applies the selected Security Level action the next time the
instrument's power is cycled.
Chapter 2
>
Utility Memory Catalog
> >
Utility Power On/Preset Restore System Defaults
> >
I/Q I/Q Calibration Revert to Default Cal Settings
> >
More (1 of 2) Security
>
Confirm Restore Sys Defaults
Basic Operation
Using Security Functions
> >
Erase and Sanitize All
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