Tutorial
2–24
TDS 420A, TDS 430A, TDS 460A & TDS 510A User Manual
To remove measurements you no longer want displayed:
Press MEASURE
➞ Remove Measrmnt (main) ➞ Measurement 1, Measure-
ment 2, and Measurement 4
(side) to remove those measurements. Leave the
rise time measurement displayed.
To examine the current values:
Press Reference Levels
(main) ➞ High Ref (side).
Highlighted Menu Item with Boxed
Readout Value
General Purpose
Knob Icon
General Purpose Knob
Setting and Readout
Figure 2–16: General Purpose Knob Indicators
By default, the measurement system uses the 10% and 90% levels of the
waveform for taking the rise time measurement. You can change these values to
other percentages or change them to absolute voltage levels.
To examine the current values, press Reference Levels
(main) ➞ High Ref
(side).
The general purpose knob is now set to adjust the high reference level (Fig-
ure 2–16).
Remove Measurement
Readouts
Examine the Measurement
Reference Levels
Change the Measurement
Reference Levels
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