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Appendis B: Operator Performance Checks
B–2
1503C MTDR User Manual
Set the 1503C front-panel controls:
IMPEDANCE
93
NOISE FILTER
1 avg
VERT SCALE
10.00 dB
DIST/DIV
2 ft/div (0.25 m)
Vp
.84
PULSE WIDTH
2 ns
If the instrument fails this check, it must be repaired before any distance
measurements can be made with it.
1. Turn the 1503C power on. The display should look very similar to Figure B–1.
O
F
F
O
F
F
O
F
F
O
N
bat
0.00 ft
Figure B–1: Start-up Measurement Display
2. Connect the 10-foot cable to the front-panel CABLE connector. The display
should now look like Figure B–2.
O
F
F
O
F
F
O
F
F
O
N
bat
0.00 ft
Figure B–2: Measurement Display with 10-foot Cable
3. Using the
n
o
POSITION control, measure the distance to the rising edge of the
waveform at the open end of the cable. The distance shown on the display
distance window (upper right corner of the LCD) should be from 9.7 to 10.3 feet
(2.95 to 3.14 m).
Set Up
1. Horizontal Scale
(Timebase) Check
Summary of Contents for 1503C
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Page 92: ...Appendix A Specifications A 6 1503C MTDR User Manual...
Page 104: ...Appendis B Operator Performance Checks B 12 1503C MTDR User Manual...
Page 122: ...Glossary Glossary 6 1503C MTDR User Manual...
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