Analyze Waveforms
3. If MANUAL is not
already highlighted, press the function k ey under the
AUTO/MANUAL menu item to highlight MANUAL.
NOTE. Select AUTO to automatically complete steps 4 through 7.
4. Press the function key under the MOVE menu item to highlight the upper
cursor (if it is not already highlighted).
5. Use the up a
nd down arrow k eys to position the upper cursor to 100% of the
trace height. A marker is shown at 90%.
6. Press the
function key under the MOVE menu item to highlight the lower
cursor.
7. Use the u
p and down arrow keys to position the lower cursor to 0% of the
trace height. A marker is shown at 10%.
NOTE. Even when the key labels are not displayed at the bottom of the screen,
you still can use the arrow keys. This allows full control of both cursors while
having a full screen view.
8. Use the cursors to measure the amplitude, high or low value, or overshoot
of the waveform.
This screen shows the risetime measurement from 10%-90% of the trace
amplitude. (See Figure 30.)
58 THS3000 Series Oscilloscopes User Manual
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