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“Calibrating” in red, and after calibrating is finished, the word in red disappears. When the temperature changes
largely, the auto-calibration function can make the oscilloscope maintain the highest accuracy of measurement.
Auto-calibration should be done without probe.
Auto-calibration process takes about two minutes.
If the temperature changes above 10℃, we recommended users perform the auto-calibration.
2.15 Passive Probe Compensation
Before connecting to any channels, users should make a probe compensation to ensure the probe match the input
channel. The probe without compensation will lead to larger measurement errors or mistakes. Probe compensation
can optimize the signal path and make measurement more accurate. If the temperature changes 10℃ or above, this
program must run to ensure the measurement accuracy.
Probe compensation may be conducted in the following steps:
1) First, connect the oscilloscope probe to CH1. If a hook head is used, make sure that it is in good connection
with the probe.
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