Table of Contents
iv 1502C MTDR User Manual
Figure 1–32: Waveform Display with No Outgoing Pulses 1–30. . . . . . . . .
Figure 1–33: A Captured Single Sweep 1–32. . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–1: Display Showing 3-ft Cable in Start-Up Conditions 2–3. . . .
Figure 2–2: Cursor of Rising Edge of Reflected Pulse 2–3. . . . . . . . . . . . .
Figure 2–3: Waveform with VERT SCALE Increased Showing
an Open 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–4: Waveform with Short 2–4. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–5: 3-foot Cable with Cursor at Far Left 2–5. . . . . . . . . . . . . . . .
Figure 2–6: 3-foot Cable with Cursor at Incident Pulse 2–6. . . . . . . . . . .
Figure 2–7: 3-foot Cable with Cursor at Incident Pulse, Vertical
Scale at 25 dB 2–6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–8: Cursor on End of Longer Cable 2–7. . . . . . . . . . . . . . . . . . . .
Figure 2–9: Scrolling Down the Cable 2–8. . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–10: Ohms-at-Cursor 2–9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–11: Ohms-at-Cursor Near Beginning of Cable 2–9. . . . . . . . . . .
Figure 2–12: Ohms-at-Cursor Beyond Reflected Pulse 2–10. . . . . . . . . . . .
Figure 2–13: Ohms-at-Cursor Beyond Reflected Pulse 2–10. . . . . . . . . . . .
Figure 2–14: Noise on the Waveform 2–11. . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–15: Noise Reduced 2–12. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–16: Noise Reduced to Minimum 2–12. . . . . . . . . . . . . . . . . . . . . . .
Figure 2–17: Incident and Reflected Pulses with Cursor at 0.00 ft 2–13. .
Figure 2–18: Cursor at 3.000 ft 2–14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–19: New Zero Set at End of Test Cable 2–14. . . . . . . . . . . . . . . . .
Figure 2–20: Display with 3-ft Cable and NOISE FILTER turned to
VERT SET REF 2–15. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–21: VERT SCALE adjusted to Make Pulse Two Divisions
High 2–16. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Figure 2–22: Display with VIEW INPUT Turned Off 2–17. . . . . . . . . . . . .
Figure 2–23: Display with VIEW INPUT Turned On 2–17. . . . . . . . . . . . .
Figure 2–24: Waveform Moved to Upper Portion of the Display 2–18. . . .
Figure 2–25: Waveform with Cable Shorted 2–19. . . . . . . . . . . . . . . . . . . .
Figure 2–26: Waveform with Both Current and Stored Waveforms 2–19.
Figure 2–27: Stored, Current, and Difference Waveforms 2–20. . . . . . . . .
Figure 2–28: Display with VIEW STORE and VIEW DIFF Disabled 2–21
Figure 2–29: Short and Open Viewed via Max Hold 2–22. . . . . . . . . . . . . .
Figure 2–30: Waveform Strobed Down Display in Max Hold 2–22. . . . . .
Figure 2–31: Display with Pulse Turned Off 2–24. . . . . . . . . . . . . . . . . . . .
Figure 2–32: Test Cable 2–25. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .