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To Do Self Calibration
The self-calibration program can quickly make the oscilloscope reach the best working
state to get the most precise measurement values. You can perform self-calibration at any
time especially when the environment temperature changes by more than
5 ℃. Make sure that the oscilloscope has been warmed up or operated for more than 30
minutes before the self-calibration.
Do the following steps to do self calibration:
1. Disconnect all the input channels.
2. Press the Utility button on the front panel，and then press the Do Self Cal softkey,
and the oscilloscope will show the message box shown as below:
3. Press the Single button on the front panel to perform the self calibration program.
During the calibration, most of the keys are disabled.
4. When the self calibration program is finished, it will display the message "press
Run/Stop key to exit". Press the Run/Stop button on the front panel to exit the
calibration interface.
162 User Manual
Figure 87 Do Self Cal
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