Keysight E8663D, Руководство пользователя

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82 Keysight E8357D/67D & E8663D PSG User’s Guide
Basic Operation
Using Security Functions
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: I/Q > I/Q Calibration > Revert to Default Cal
Settings
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.
Setting the Secure Mode Level
1. Press Utility > Memory Catalog > More (1 of 2) > Security >
Security Level .
2. Choose from the following selections:
None − equivalent to a factory preset, no user information is lost
Erase
−
equivalent to Erase All
Overwrite − equivalent to Erase and Overwrite All
Sanitize
−
equivalent to Erase and Sanitize All
Activating the Secure Mode
CAUTION
Once you activate secure mode (by pressing Confirm) , you cannot deactivate
or decrease the security level; the erasure actions for that security level
execute at the next power cycle. Once you activate secure mode, you can
only increase the security level until you cycle power. For example, you can
change Erase to Overwrite , but not the reverse.
After the power cycle, the security level selection remains the same, but the
secure mode is not activated.
Press Utility > Memory Catalog > More (1 of 2) > Security >
Enter Secure Mode > Confirm .
The Enter Secure Mode softkey changes to Secure Mode Activated .
If Your Instrument is Not Functioning
If the instrument is not functioning and you are unable to use the security
functions, you may physically remove the processor board, hard disk or flash
drive if installed, from the instrument. Once these assemblies are removed,
proceed as follows: