Horizontal Controls
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TDS3000B Serie s User Manual
The trigger position is marked with the letter T at the top of the
graticule and also in the waveform record icon at the top of the
screen.
Trigger marker and
horizontal expansion point
Waveform record icon
The small inverted triangle is the horizontal expansion point. W hen
you change the horizontal SCALE setting, the waveforms cont ract or
expand about this point. When del ay is off, the horizonta l e xpansion
point is the same as the trigger point.