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20 UTD1000L User Manual
Figure 4-7 Adjusting Horizontal Timebase
4.9.3 Trigger Level
When trigger level cursor turns solid, use Up and Down arrow buttons to adjust trigger level
location.
Figure 4-8 Adjust Trigger Level
Note: Use SELECT button to toggle between vertical position and trigger level for the
channel. Following chapter will offer more details about the operation mentioned above
4.10 Autoset for Waveform Display
UTD1000L Series is designed with autoset function that can automatically adjust the vertical
scale, scan timebase and trigger mode based on the input signal until the optimal waveform
can be obtained. To apply the autoset function, the tested signal should have a frequency at
≥20Hz and duty cycle＞1﹪;
Under AUTOSET mode, the coupling mode of the channel is closely connected to DC autoset;
When DC autset is set to off, all signals in the channel is AC-coupled. If DC autoset is on, the
channel will choose the current setting as coupling mode, when the current setting is DC
coupling, the signal will be DC-coupled and vice versa.
For example:
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