Fault handling
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Copyright © Qingdao Hantek Electronics Co., LTD Tablet1000 User manual
81
22 Fault handling
If you press the power button, there is still no display.
⚫ Check whether the battery is charged.
⚫ Check whether the power button is pressed firmly.
⚫ After the above examination, restart the instrument.
⚫ If you still cannot use this product properly, please contact Hantek.
After the oscilloscope is turned on, no waveform is displayed on the input signal
screen.
⚫ Check whether the probe is properly connected to the BNC connector of the signal
input channel.
⚫ Check whether the channel switch is enabled (CH1 to CH4).
⚫ Check that the input signal is properly connected to the probe.
⚫ Verify that the measured circuit has signal output.
⚫ If it is a DC signal and the amplitude is high, adjust the amplitude gear to a higher
value.
⚫ Press the automatic measurement button to automatically detect the signal first.
⚫ If still no waveform is displayed, contact Hantek for technical support.
Serious distortion of the input signal waveform.
⚫ Check whether the oscilloscope probe is properly connected with the BNC
connector.
⚫ Check whether the probe is properly connected to the object under test.
⚫ Check whether the probe is well calibrated, if not, please calibrate it according to the
relevant chapter in the manual.
The waveform is constantly scrolling on the screen and cannot be triggered.
⚫ Check whether the trigger source is consistent with the signal input channel.
⚫ Check whether the trigger level is properly adjusted.
⚫ Check whether the trigger mode is appropriate., The default trigger mode is edge
trigger, and the trigger should be selected correctly for different input signals.
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