Vertical Controls
3–70
TDS3000 Series User Manual
Vertical Controls
You can use the vertical controls to select waveforms, adjust the
waveform vertical position and scale, and set input parameters. All
vertical operations affect the selected waveform. Push a channel
button (CH 1, CH 2, CH 3, or CH 4), the MATH button, or the REF
button to select a waveform.
Vertical Position Control
Use the vertical POSITION control to locate the selected waveform
in the display. When you change the vertical position, a horizontal
line temporarily appears to show you the ground reference level on
the screen. After the line disappears, the ground reference level is
marked at the left of the graticule.
If acquisition is stopped you can still reposition waveforms for
analysis. The new position setting is used when acquisition resumes.
Waveform Off
Push the waveform OFF button to remove the selected waveform
from the display. You can still use the channel as a trigger source.
Vertical Scale Control
Use the vertical SCALE control to set the vertical scale factor of the
selected waveform in 1-2-5 increments. If acquisition is stopped you
can still rescale waveforms for analysis. The new scale setting is
used when acquisition resumes.
You can also make fine adjustments to the vertical scale. See
Channel Buttons on page 3–71 for more information.
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