Bird Technologies SK-4000-TC-Manual - Manual (Page 27)

15
11. Place a marker (mark 1) at the minimum loss point within the frequency
band on the trace. See “Makers” on page 24.
12. Place a marker (mark 2) at the maximum loss point within the frequency
band on the trace. See “Makers” on page 24.
13. Save and label the trace, if appropriate. See “Save Operation” on page 33.
Interpreting a Cable Loss Measurement
The graph below shows a typical cable loss measurement. Note that the scale is
greatly reduced to show the cable’s variation across frequency.
Figure 10 Cable Loss Measurement Screen
Min. Loss
Max. Loss
1. Take the average of M1 and M2.
Note: This is the average cable loss across the frequency band.
2. Compare the loss with the manufacturer’s specified loss for a cable of this
length.
Note: If they do not correspond, retake the measurement, then
check the cable for problems.