Tektronix TDS 644A Sprinkler User Manual


 
Measurement System
TDS 620A, 640A & 644A User Manual
3Ć87
H To vary the source for measurements, simply select the other chanĆ
nel and then choose the measurements you want.
H Be careful when taking automatic measurements on noisy signals.
You might measure the frequency of the noise and not the desired
waveform.
Your digitizing oscilloscope helps identify such situations by displaying a
low signal amplitude or low resolution warning message.
Figure 3Ć45:ăMeasure Menu
Removing Measurements
The Remove Measrmnt selection provides explicit choices for removing
measurements from the display according to their readout position.
Measurement 1 is the top readout. Measurement 2 is below it, and so forth.
Once a measurement readout is displayed in the screen area, it stays in its
position even when you remove any measurement readouts above it. To
remove measurements:
1. Press MEASURE Remove Measrmnt (main).
2. Select the measurement to remove from the side menu. If you want to
remove all the measurements at one time, press All Measurements
(side).