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SDS2000X HD Series Digital Oscilloscope User Manual
i n t . s i g l e n t . c o m 8 7
Trigger Related Label
Trigger level Indicator Horizontal 0 position
Indicator
Horizontal 0 position
(out of screen) Indicator
Trigger Level
Both analog and digital triggers must have a correct trigger level value. The oscilloscope judges
whether a waveform satisfies the trigger condition when it crosses the trigger level. If it does, the
crossing time is the trigger position. In the following figure, the trigger condition is set as a rising edge.
When the signal with a positive slope crosses the trigger level, the trigger condition is satisfied and
the time point the signal crosses the level is the trigger position.
In some special triggers, the system will automatically set the trigger level, such as using AC Line as
the trigger source.
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