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Validating Calibration Data
After completing all calibration data measurement, you should use the E4991A to calculate
the calibration coefficient from the measured calibration data. The coefficient is
automatically saved to the internal memory.
Step 1. Confirm that all of the calibration data measurement is completed and then press the
or
NOTE
The calibration data can be reset by pressing the
the
Cal Reset
also resets the calibration data.
Step 2. Verify that the display below the
status bar on the bottom of the screen changes to "Cal Fix" (Figure 3-41).
NOTE
The calibration data that became invalid are recovered by pressing the
to move the cursor to the
For details, refer to Chapter 4, "Calibration and Compensation" in the E4991A Operation
Manual.
Chapter 3
key to move the cursor to the
button and then pressing the
Cal Menu
Recover Cal/Comp State
Basic Operations for RF Devices Measurement
button and press the
Done
or
key to move the cursor to
key (Figure 3-40). Turning the power OFF
button changes to
and the display of the
[Fix]
button and then pressing the
STEP 3. Calibration
key (Figure 3-40).
or
key
key.
69
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