Tektronix 071-0957-03, User Manual

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Cursor
3- 18
TDS3000B Series User Manual
Bottom Description Side
H Bar Units Base Sets the H Bar units to be the same as
the selected waveform’s vertical
measurement units (volts, IRE, dB,
and so on).
Ratio (%) Sets H Bar units to percent.
Use Cursor Posi-
tions as 100% Sets the H Bar measurement scale so
that 0% is the current position of the
lowest H Bar cursor and 100% is the
current position of the highest H Bar
cursor.
Use 5 divs as
100% Sets H Bar measurement scale so that
5 screen major divisions is 100%,
where 0% is --2.5 divisions and 100%
is +2.5 divisions from the center
horizontal graticule.
Key Points
Cursor Movement. Use the general purpose knob to move the active
cursor. Push the SELECT button to change which cursor is active.
The active cursor is the solid line.
Faster Cursor Movement. Push COARSE to set the general purpose
knob to make faster cursor movement.
Finding Cursors. When using zoom, delay, or the fastest time base
settings, the cursors can go off screen. If you want to find them, use
the Bring Both Cursors On Screen function to move them onto the
screen.
Fine Cursor Movement. When you magnify the waveform with the
zoom function, you can easily set the cursor to any point on the
waveform.