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Temperature drift and other environmental changes can lead to performance degradation for several NI 5624R specifications. Self-calibration adjusts the NI 5624R for variations in the module environment using an onboard high-precision calibration tone. Perform self-calibration to compensate and optimize the performance of the NI 5624R for a given ambient temperature and operating environment.
|Note NI recommends performing a complete self-calibration after the temperature is stable (20 minutes of warm-up time after the chassis is powered on and the software is loaded and recognizes the NI 5624R) for the best performance. If the temperature drifts significantly during self-calibration, the self-calibration exits with an error.|
Self-calibration adjusts the equalization filters and gain scaling of the NI 5624R to facilitate temperature correction.
|Note NI recommends that no external signals are transmitted to the IF IN port during the self-calibration.|
For more information about calibration, contact NI or visit ni.com/calibration.
The NI 5624R is calibrated at the factory; however, you should perform a self-calibration in any of the following situations:
You can run self-calibration in one of two ways:
The NI 5624R stores the new calibration data in its nonvolatile memory if the self-calibration is performed successfully.