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SDS2000X HD Series Digital Oscilloscope User Manual
i n t . s i g l e n t . c o m 2 9 1
32.7.3 Self-Calibration
The self-calibration program can quickly calibrate the oscilloscope to reach the best working state
and the most precise measurement. It is recommended to perform a self-calibration if the change of
ambient temperature is more than 5 ℃.
Note
: Make sure the oscilloscope has been warmed up or operated for more than 30 minutes before
the self-calibration.
Please do the self-calibration as follows:
1. Disconnect everything from all inputs.
2. Operate Utility > Menu > Maintenance > Self Calibration , and the following
dialog box appears. Select Continue to start the self-cal program.
3. The oscilloscope will not respond to any operation until the self-cal is finished. After the
self-cal is completed, touch the screen or press any button to exit.
Quick Cal
When Quick Cal is enabled, the oscilloscope will initiate an ADC calibration procedure when the ADC
temperature changes by over 3 ℃ to avoid performance drift. This procedure is quick enough not to
affect the user experience but will interrupt the acquisition procedure. It is recommended to disable it
when capturing long-duration waveforms or monitoring rare events without interruption. The default
status of Quick Cal is disabled.
Changing vertical scale or channel interleaving mode will initiate the same ADC calibration procedure
in the background. This is always enabled, regardless of the status of Quick Cal.
Touch Utility
＞
Menu
＞
Maintenance
＞
Quick Cal to set Quick Cal.
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