Keysight E6640A, Руководство пользователя и программиста по приложениям измерений

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9 ACP Measurement
Recall
The content of a state file includes all of the settings and data required to return the analyzer as closely as
possible to the Mode it was in, with the exact settings that were in place, when the save occurred. The
Mode settings in each state file include the settings that are affected by Mode Preset, as well as the
additional settings affected by Restore Mode Defaults; all of the Mode’s settings. In addition, all of the
settings of the Input/Output system are included, even though they are outside of the Mode’s state,
because they are needed to restore the complete setup. Persistent System settings (for example, GPIB
address) are not affected by either a Mode Preset or Restore Mode Defaults, nor are they included in a
saved State file.
Since each state file is only for one Mode, the settings for other Modes are unaffected when it is loaded.
Recall State will cause a mode switch if the state being recalled is not from the current active mode.
After the recall completes, the message "File <filename> recalled" or “Recalled State Register <register
number>” is displayed.
For rapid recalls, the State menu lists 16 registers that you can choose from to recall. Pressing a Register
key initiates the recall. You can also select a file from which to recall.
The default path for all State Files is:
My Documents\<mode name>\state
where <mode name> is the parameter used to select the mode with the INST:SEL command (for example,
SA for the Spectrum Analyzer).
See "More Information" on page 767 .
Key Path
Recall
Mode All
Remote Command :MMEMory:LOAD:STATe <filename>
Example :MMEM:LOAD:STAT "myState.state"
This recalls the file myState.state on the default path
Example MMEM:LOAD:STAT "MyStateFile.state"
This loads the state file data (on the default file directory path) into the instrument state.
Notes When you pick a file to recall, the analyzer first verifies that the file is recallable in the current
instrument by checking the software version and model number of the instrument. If everything
matches, a full recall proceeds by aborting the currently running measurement, clearing any pending
operations, and then loading the State from the saved state file. You can open state files from any
mode, so recalling a State file switches to the mode that was active when the save occurred. After
switching to the mode of the saved state file, mode settings and data (if any for the mode) are loaded
with values from the saved file. The saved measurement of the mode becomes the newly active
measurement and the data relevant to the measurement (if there is any) is recalled.
•
If there is a mismatch between file version or model number or instrument version or model
number, the recall functiontries to recall as much as possible and returns a warning message. It
may limit settings that differ based on model number, licensing or version number.
After recalling the state, the Recall State function does the following:
•
Makes the saved measurement for the mode the active measurement.
•
Clears the input and output buffers.
•
Status Byte is set to 0.
766 W-CDMA & HSPA Measurement Applications Reference