Operating Instructions
128 1502C MTDR User Manual
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ac 1.840 ft
Figure 129: Cursor Moved to Desired Position
The instrument is now set to measure reflections in millirho relative to the
sample cable impedance.
To measure reflections on a 50 W cable, the VERT SET REF must be reset.
8. To exit VERT SET REF, use the following procedure:
a. Turn NOISE FILTER to VERT SET REF.
b. Adjust VERT SCALE to obtain an incident pulse height of two
divisions.
c. Push STORE.
d. Turn NOISE FILTER to desire filter setting.
The instrument can be turned off and back on to default to the two division pulse
height.