Channel Detection Threshold; Display Of Total Power Between Cursors - Viavi 8100 V2 Series User Manual

Channel detection threshold

On the trace, some peaks corresponding to noise could be mistaken for channels. It is
therefore necessary to fix a power threshold level: only peaks that exceed this threshold
will be considered as channels and included in the table of results.
To modify this threshold, press the S
value to position it on

Display of total power between cursors

To display on the trace the total power between the two cursors A and B:
1 Place the cursors at the desired positions.
2 Press the
The space between the trace and the two cursors is greyed out and the power is
displayed in the form "P=-4.95dBm".
Pressing the key
total power measurement.
Figure 196 Display of total power between the cursors
1.The "Auto" value is obtained by continuing to reduce the value of the threshold
below the minimum value of -79.9 dBm
1
Auto or fix a threshold value.
Advanced key, then
Total Power A<-->B
User Manual
Chapter 12 High Resolution OSA Measurement
key, then select
ETUP
Total Power A<--->B.
a second time removes the result of the
78000010220 Rev. 024
Trace display functions
Signal threshold. Modify the
395