Noise Figure Measurements (K30) – Status Reporting System R&S FSL
1300.2519.12 5.38 E-11
STATus:QUEStionable Register
Additionally to the bits assigned by the base system (for details refer to STATus:QUEStionable
Register), the bit no. 11 is defined differently:
Bit No Meaning
11
CORRection
This bit is set if a questionable correction data occurs (see also section
STATus:QUEStionable:CORRection Register).
STATus:QUEStionable:CORRection Register
This register comprises information about the correction state of noise measurements. It can be queried
by STATus:QUEStionable:CONDition? and STATus:QUEStionable[:EVENt]? commands.
Bit No Meaning
0
NO CORRection
User calibration is required (i.e. not done, or setup changed). Will remain 1 until a user
calibration is done. Set to 1 at the start of a user calibration. It will go to 0 at the end of a
user calibration only if at least all points on one range have been calibrated. Initial value
is 1.
1 These bits are not used
2
UNCorrected measurement
Uncorrected measurement data (one or more points could not be corrected using
existing user calibration). Set to 0 at the start of each sweep/redisplay of result. Will
remain 0 until an attempt is made to correct a point and the calibration data does not
exist (the required range has not been calibrated).
If no calibration data exist, this bit will not be set when an attempt is made to make a
corrected measurement.
3 to 14 These bits are not used
15 This bit is always 0
Error Reporting
Error reporting for the Noise Figure Measurements option is carried out using the Service Request
(SRQ) interrupt in the GPIB interface. When an error occurs a Service Request interrupt will be
generated. The master can then query the slave instrument for the error that triggered the interrupt
Errors are queried through the "SYSTem:ERRor'' command.
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