Tektronix 1503C, User Manual, Page: 102 / 128

Appendis B: Operator Performance Checks
B–10
1503C MTDR User Manual
30. Place the baseline of the waveform on the center graticule using the
n
o
POSITION control.
31. Increase VERT SCALE to 30.00 dB.
32. Using the
n o
POSITION control, verify that the aberrations are less than four
divisions high out to 300 feet (91.50 m)
O
F
F
O
F
F
O
F
F
O
N
ac 300.00 ft
Figure B–15: Aberrations Less Than Four Divisions Out to 300.00 ft
33. Return the cursor to –2.00 ft (–0.61 m).
34. Turn NOISE FILTER back to VERT SET REF.
35. Set the DIST/DIV to 500 ft/div (10 m/div).
36. Turn PULSE WIDTH to 1000 ns.
37. Adjust the pulse height to four major divisions.
O
F
F
O
F
F
O
F
F
O
N
ac
–2.00 ft
Figure B–16: Pulse Adjusted to Four Major Divisions in Height
38. Press STORE.
39. Return the NOISE FILTER control to 1 avg.
40. Place the baseline of the waveform on the center graticule using the
n
o
POSITION control.