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AA600 calibration discrepancy

 

hello,

i have noticed that the calibration does not seem to be "global" on the aa600.
For instance, if I calibrate The #5 graph and use the F1 to read it , all is fine.
However, if the "ALL" function" is selected, the result seems to be uncalibrated and does not agree with the graph.
The SWR function does not agree with the calibrated F1 readout either.
Is there a firmware update to fix this?
 

Dear Jim,
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It is worth noting that the user calibration algorithm in the AA-600/1000/1400 analyzers differs from the algorithm implemented in the Zoom and Stick analyzers.
For AA-600/1000/1400 the following rules apply:
1. The user needs to set the frequency range in which the calibration will be performed.
2. If the user performs a measurement outside this range, the calibration will not work.
3. Calibration applies only to graphical functions (SWR chart, R X, Smith chart). For "SWR", "All parameters" no calibration is applied.
4. To view the numerical parameters of the values, taking into account the calibration in any graphical function, press the F + 1 buttons.
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Sincerely, Alex Antonov UT2UM

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