Tektronix 070-7169-05, Руководство пользователя

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Operating Instructions
1502C MTDR User Manual
1–27
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ac 19.200 ft
Figure 1–27: Waveform of Short 75 ohm Cable
2. Adjust the
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POSITION control to position the reflected pulse at center
screen.
3. Turn NOISE FILTER to VERT SET REF.
4. Adjust VERT SCALE so the reflected pulse (from open at far end of cable
sample) is two divisions high.
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ac 19.200 ft
set vertical scale and press STORE
Figure 1–28: Waveform Centered and Adjusted Vertically
5. Press STORE.
6. Return NOISE FILTER to the desired setting.
7. Adjust the
n o
POSITION control to the desired position on the waveform to
measure loss.