Tektronix TekRanger 2 TFS3031, Service Manual

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Performance Check – TekRanger 2 (serial nos. B052000 and above)
TFS3031 TekRanger/TekRanger 2 Service Manual
4–39
17. Move cursor A to the highest point on the pulse. See figure 4–21.
Figure 4–21: Singlemode Event Dead-Zone Check
18. Select cursor B and move it toward cursor A to the first point where the loss
difference between the two cursors is at least 3 dB.