Chapter 4 253
Instrument Functions: P - Z
System
Instrument Functions: P - Z
Example: CAL? The query performs a full alignment and returns a number indicating
the success of the alignment. A zero is returned if the alignment is
successful.
4.9.4.3 Frequency Corrections (Remote Command Only)]
Turns the internal frequency corrections on/off.
Saved State: Not saved in instrument state
Factory Preset: On
Factory
Default: On
Remote Command:
:CALibration:FREQuency[:STATe] OFF|ON|0|1
:CALibration:FREQuency[:STATe]?
Example: CAL:FREQ OFF
4.9.4.4 Align Subsys
Accesses the keys to immediately execute an alignment of one of the subsystems (
Align RF,
Align IF, Align ADC, and Align Current Sys Gain). When one of the subsystem alignments is
started all other operations are stopped and any alignment messages will be visible on the
display.
Key Path: System, Alignments
Remote Command:
There is no remote command for this key.
4.9.4.4.1 Align RF
Initiates an alignment on the RF assembly.
Key Path: System, Alignments, Align Subsys
Annunciation/
Annotation: Will display a series of pop-up message boxes, indicating an alignment is
in progress.
If a signal is present which interfers with the alignment a message Align
RF 50 MHz signal detected. will be displayed.
SCPI Status Bits/
OPC Dependencies: Status questionable calibration. Bits 3, 11, or 12 will be set if
Align RF
fails
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