Viavi OSA-4100 User Manual page 36

Result display
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To measure the Difference Power:
◮ Set the cursors to the desired positions. The
difference power is displayed in the trace result
field above the diagram (A-B).
To measure the Total Power:
1. Set the cursors to the desired positions.
2. Press the softkeys Total Power A↔B . The space
between the trace and the two cursors is greyed
out and the power is displayed.
3. Pressing the key Total Power A↔B a second time
removes the result of the total power measure-
ment.
Figure 6.3: measuring the total power between cursor
positions
Nano-OSA user manual