Tektronix TekRanger 2 TFS3031, Руководство по обслуживанию

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Performance Check – TekRanger 2 (serial nos. B052000 and above)
4–42
TFS3031 TekRanger/TekRanger 2 Service Manual
11. Press the
START/STOP
button. The waveform should look like the one in
figure 4–23.
Figure 4–23: Singlemode Reflectance Test Waveform
12. Press the
SELECT
button to select the cursor function. Use the arrow keys
to position cursor A approximately at the start of the end reflection.
13. Press the Zoom On softkey, then press the SELECT button to select the
zoom function. Use the arrow keys to adjust the zoom box to show
approximately 1 km of fiber with the end reflection fully visible.