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Chapter 4 257
Instrument Functions: P - Z
System
Instrument Functions: P - Z
* There are 2 very quick alignments, invisible to the user, that are done every few minutes
or when certain settings are changed. These still occur, even if AutoAlign is set to Off.These
alignments are the Current SysGain and Current IF Flatness methods which can also be
forced to occur by user under the Align Subsys menu.
Key Path:
System, Alignments
State Saved: Survives Preset and power cycle, but not saved in Instrument State.
Factory Preset: Not affected by
Preset.
Factory
Default: On (Restored by
System, Restore Sys Defaults.)
Remote Command:
:CALibration:AUTO OFF|ON|ALERt
:CALibration:AUTO?
Example: CAL:AUTO ON
4.8.4.2 Align All Now
Accesses the
Align Now menu keys and immediately executes an alignment cycle of all the
subsystems (
Align RF, Align IF, Align ADC,andAlign Current Sys Gain). The instrument will stop
any measurement currently underway, perform the full alignment, then restart the
measurement from the beginning (similar to pressing the Restart key). All other operations
arestoppedandthealignmentswillbevisibleonthedisplay.
Key Path:
System, Alignments
Remote Command:
:CALibration[:ALL] Performs a full alignment.
The following three commands perform a full alignment and return a number indicating
the success of the alignment. A zero is returned if the alignment is successful. A one is
returned if any part of the alignment fails.
:CALibration[:ALL]?
*CAL?
*TST?
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.
4.8.4.3 Frequency Corrections (Remote Command Only)]
Turns the internal frequency corrections on/off.
Saved State: Not saved in instrument state