Operating Instructions
1502C MTDR Service Manual
1–23
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ac
0.000 ft
D
Figure 1–24: Cursor Moved to End of Three-Foot Lead-in Cable
NOTE. Vp changes will affect where the reference is set on the cable. Be sure to set
the Vp first, then set the delta to the desired location.
5. To exit HORZ SET REF, use the following procedure:
a. Turn the NOISE FILTER control to HORZ SET REF.
b. Turn DIST/DIV to .1 ft/div. If the distance reading is extremely high, you
might want to use a higher setting initially, then turn to .1 ft/div for the next
adjustment.
c. Turn the
POSITION control until the distance window reads 0.00 ft.
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ac 0.000 ft
move cursor to reference and Press STORE
Figure 1–25: Cursor Moved to 0.00 ft
d. Push STORE.
e. Turn NOISE FILTER to desired setting.
VERT SET REF works similar to HORZ SET REF except that it sets a reference
for gain (pulse height) instead of distance. This feature allows zeroing the dB scale
at whatever pulse height is desired.
1. Turn NOISE FILTER fully counterclockwise. “Set Ref” will appear in the noise
averaging area of the LCD.
Using Vertical Set
Reference
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