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OWON HDS1021M Handheld DSO & DMM 8-Advanced Function of Oscilloscope
trigger until Holdoff ends.
Term interpretation
Trigger modes: There are three kinds of trigger modes available for this oscilloscope, they are
auto, normal and single shot.
Automatic trigger mode: The oscilloscope can acquire the waveform without any triggering
condition detected in this mode, in which it will be triggered compulsively when waiting for a
specified period of time without any triggering condition ignited When an invalid trigger is
enforced，the oscilloscope can not keep the waveform in phase.
Normal trigger mode: In this mode, the oscilloscope cannot acquire the waveform till it is
triggered. When there is not any trigger, the oscilloscope will display the origin waveform without
new waveforms captured.
Single shot mode: In this mode, the oscilloscope will detect a trigger and capture a waveform at
each time when the customer presses the RUN/STOP key.
Holdoff: Set time slot before another trigger event.
8.5 Acquiring Mode Setting
The Acquiring Mode menu is described in the list shown as below.
Function menu Settings Description
Sample Normal sampling mode.
Peak Detect
Used to detect the jamming glitch and reduce the possible
blurring.
Average
Used to reduce the random and unrelated noises. Several
average factors are available for being selected.
Averages
4, 16, 64
or 128
Select the average factor.
8.6 Display Setting
The DISP SET menu is described in the following table.
Function menu Settings Description
Type
Vectors
Dots
The vector is filled up spaces between neighboring sampling
points in the display.
Only sampling points are displayed.
Persist
OFF
1s
2s
5s
Infinite
Setting persistence time for each sampling point.
４１
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