User Manual
Do Self Cal (Self-Calibration)
The self-calibration procedure can improve the accuracy of the oscilloscope under the
ambient temperature to the greatest extent. If the change of the ambient temperature is
up to or exceeds 5℃, the self-calibration procedure should be executed to obtain the
highest level of accuracy.
Before executing the self-calibration procedure, disconnect all probes or wires from the
input connector. Push the Utility button, select Function in the right menu, the function
menu will display at the left, select Adjust. If everything is ready, select Self Cal in the
right menu to enter the self-calibration procedure of the instrument.
Probe checking
To check whether probe attenuation is good. The results contain three circumstances:
Overflow compensation, Good compensation, Inadequate compensation. According to the
checking result, users can adjust probe attenuation to the best. Operation steps are as
follows:
1. Connect the probe to CH1, adjust the probe attenuation to the maximum.
2. Push the Utility button, select Function in the right menu, select Adjust in the left
menu.
3. Select ProbeCh. in the right menu, tips about probe checking shows on the screen.
4. Select ProbeCh. again to begin probe checking and the checking result will occur
after 3s; push any other key to quit.
● Save
You can save the waveforms, configures or screen images. Refer to "How to Save and
Recall a Waveform" on page 29.
● Update
Use the front-panel USB port to update your instrument firmware using a USB memory
device. Refer to "How to Update your Instrument Firmware" on page Error! Bookmark
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