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time or the temperature change is more than 5 degrees, you are
recommended to calibrate the probe zero using the auto-calibration
function in the LA menu. Please disconnect all the signals from the
RPL1116 input terminal during the calibration.
4
． Function Inspection: after finishing the above operations, the
signal under test will be displayed on the corresponding digital
channel on the oscilloscope screen. If no signal is displayed, please
adjust the oscilloscope to select proper general settings (such as the
trigger mode and timebase). If the problem still persists, please
check the electric connection and parameter settings again or please
try to use other probes (such as analog probe) to check the signal
state of the test point.
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