4 System
4.6 Alignments
interfering signal removed
Couplings Initializes the time for the Last Align Now All Time
Records the temperature for the Last Align Now All Temperature
If Align RF component succeeded, initializes the time for the Last Align Now, RF Time
If Align RF component succeeded, records the temperature for the Last Align Now, RF Temperature
Status Bits/OPC
dependencies
Bits 11, 12, or 14 may be set in the Status Questionable Calibration register
IEEE Command
Remote
Command
*CAL
Example
*CAL?
Notes Returns 0 if successful, or 1 if failed
:CALibration[:ALL]? is exactly the same as *CAL?, including all conditions, status register bits,
and couplings
See additional remarks described with :CALibration[:ALL]?
Overlapped Command
Remote
Command
:CALibration[:ALL]:NPENding
Example
:CAL:NPEN
Notes :CALibration[:ALL]:NPENding is the same as :CALibration[:ALL], including all
conditions, status register bits, except this SCPI command does not block the SCPI session, so you
should use status register bits to query whether the calibration is successfully completed or not
Typical usage is:
1.
:CALibration:ALL:NPENding (Start a calibration)
2.
:STATus:OPERation:CONDition? (Check if the calibration is completed or not, If bit 0 is
set, then the system is doing calibration, you should repeat this SCPI query until the bit is cleared)
3.
:STATus:QUEStionable:CALibration:CONDition? (Check if there are any errors/-
failures in previous calibration procedure
4.6.2.2 Align Now All but RF
In PXE, the key label is Align Now All but RF (not including RF Presel)
Immediately executes an alignment of all subsystems except the RF subsystem. The
instrument will stop any measurement currently underway, perform the alignment,
and then restart the measurement from the beginning (similar to pressing the
Restart key). This can be used to align portions of the instrument that are not
impacted by an interfering user input signal.
Spectrum Analyzer Mode User's &Programmer's Reference 2112
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