Pintek DS-1010P, Инструкция по эксплуатации

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6. Test channel 2 in the same method. If the square waveforms do not
display like figure above, please perform “Probe Compensation”.
Note:
To avoid electric shock when using the probe, please firstly make sure
that the insulated wire of the probe is in good condition, and do not
touch the metallic part of the probe when it is connected to a high
voltage.
Probe Compensation
You should properly compensate the probe at first use of it.
Non-compensated or inadequate compensated probe may cause
inaccurate measurement. The following steps are about probe
compensation:
1. Perform step 1, 2, 3 and 4 of “Function Inspection”.
2. Check the displayed waveforms and compare them with the
following figure.
Under Compensated
Compensated Correctly
Over Compensated
3. Use a nonmetallic driver to adjust the low-frequency compensation
adjustment hole on the probe until the waveform changes to be
correct as the figure above.