Keysight x-series User Reference Manual page 347

Remote Command
Notes
Initial S/W Revision
Remote Command
Example
Notes
Initial S/W Revision
Remote Command
Notes
Initial S/W Revision
EMI Receiver Mode Reference
:SYSTem:LKEY:LIST?
Return Value:
An <arbitrary block data> of all the installed instrument licenses.
The format of each license is as follows.
<Feature>,<Version>,<Signature>,<Expiration Date>,<Serial Number for Transport>
Return Value Example:
#3136
N9073A–1FP,1.000,B043920A51CA
N9060A–2FP,1.000,4D1D1164BE64
N9020A–508,1.000,389BC042F920
N9073A–1F1,1.000,5D71E9BA814C,13-aug–2005
<arbitrary block data> is:
#NMMM<data>
Where:
N is the number of digits that describes the number of MMM characters. For example if the data was
55 bytes, N would be 2.
MMM would be the ASCII representation of the number of bytes. In the previous example, N would be
55.
<data> ASCII contents of the data
Prior to A.02.00
:SYSTem:LKEY? <"OptionInfo">
SYST:LKEY? "N9073A–1FP"
The <"OptionInfo"> contains the feature and the version. You must specify the feature but can omit
the version. If you omit the version, the system regards it as the latest one.
Return Value:
<"LicenseInfo"> if the license is valid, null otherwise.
<"LicenseInfo"> contains the signature, the expiration date, and serial number if transportable.
Return Value Example:
"B043920A51CA"
Prior to A.02.00
:SYSTem:HID?
Return value is the host ID as a string
Prior to A.02.00
6 System Functions
System
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