Tektronix 1502C - Page 121

Calibration
6–14
1502C MTDR Service Manual
2. Turn the
n o
POSITION control until the distance window reads 100.000 ft.
O
N
ac 100.000 ft
O
F
F
O
F
F
O
F
F
Figure 6–22: Cursor Moved to 100.000 ft
3. Change DIST/DIV to 0.1 ft/div.
4. Using the VERT SCALE control, set the gain to 5.00 m r /div.
5. Use the
n
o
POSITION control to keep the waveform centered on the display.
O
N
ac 100.000 ft
O
F
F
O
F
F
O
F
F
Figure 6–23: Noise with Gain at 5.00 m r
6. Press MENU.
7. Using the
n
o
POSITION control, scroll to Diagnostics Menu.
8. Press MENU again.
9. Using the same procedure, select Service Diagnostic Menu, then Noise
Diagnostic.
10. Read the results on the display.
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