Tektronix TDS6404, Руководство по обслуживанию

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Performance Tests
4- 76
TDS6000 Series Service Manual
H
Set the Horizontal SCALE to 200 s.
H
Press PUSH TO SET 50% .
H
Use the Vertical POSITION knob to center the display on screen.
H
From the tool bar, touch Horiz and select the Acquisition tab.
H
Touch Average and set the number of averages to 128 .
2.
Confirm that the Probe Compensator signal is within limits for frequency:
a.
Measure the frequency of the probe compensation signal:
H
From the button bar, touch MEAS and select the Time tab.
H
Touch the Freq button.
b. Check against limits:
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CHECK that the CH 1 Freq readout is within 950 Hz to 1.050 kHz,
inclusive. See Figure 4--31.
H
Enter the frequency on the test record.
H
Touch Clear to remove the measurement.
Figure 4- 31: Measurement of probe compensator frequency
c. Save the probe compensation signal in reference memory:
H
Touch Refs ; then select the Ref 1 tab.