Reference
80E00 ElectricalSampling Modules User Manual 25
Overview Controlelem ents& resourcesTotake a TDR measurement (cont.)
Takeautomatic
measurements
16. Use the Vertical buttons to select the TDR waveform to
bem easured.
17. Select one of the measurement tool bars.
.
18. Click the measurement you want (such as mean)
in the measurement tool bar.
19. Readt he results in the measurements readout.
20. Totake your measurement over a portion of the
waveform, select the Region tab to display the gate
controls. Click the check box as indicated at the right
to turn gating on and to display the gates on screen.
21. Uset he G1 (Gate1)and G2 spi n controls (orcl ick and
type in values, use the keypad or multipurpose knobs,
ortouch and drag the gat e)t o adjust the gates on
screensuch that the areat o measure is between the
gates.
If necessary to provide a good view of this portion of
the waveform, adjust the Vertical SCALE and
POSITION and the Horizontal SCALE, POSITION,
andRef erence. Tosee the difference scale and
position can make in your waveform display, compare
the waveforms in Figure 15 and also compare the
waveforms in Figures 12 and 13.
GateG1 GateG2
Checkto
displaygates
Vary to
positiongates
Accessto virtual keyboard