Tektronix TBS2072, Руководство пользователя

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Analyzing a waveform
3. Push the Multipurpose knob to select
the other cursor (which becomes a solid
line), then turn the knob to move that
cursor. The
fi rst cursor is now drawn with
a dotted line.
4. To make smaller cursor position
adjustments, push the
Fine button to
toggle between making coarse and fi ne
cursor position adjustments.
The
Fine button also enables smaller
adjustments on the Vertical and
Horizontal Position knobs, the Trigger
Level knob, and many adjustment
operations of the Multipurpose knob.
5. Push the Amplitude or Screen side-menu button to select a different cursor for taking measurements. (See page 57,
Cursor types .)
6. Push the Link side-menu button to turn cursor linking On or Off . If linking is On , turning the Multipurpose knob
moves both cursors at the same time.
7. If one or both of the cursors are off of the screen, push the Bring Cursor On Screen side-menu button to bring
off-screen cursors back to the screen.
8. Push the Cursors front panel button to turn the cursors off.
Cursor types
The cursor types are:
Time or Frequency cursors. These vertical
cursors measure time or frequency, the
signal amplitude where the cursors cross the
waveform, and the absolute difference (delta)
between the two cursors cross points (both
time and amplitude delta).
Time readouts are relative to the trigger point
(which is 0 s). For example, cursors to the left
of the trigger are minus time values.
Amplitude cursors. These horizontal cursors
measure vertical amplitude parameters,
typically voltage.
TBS2000 Series User Manual 57