Chapter 14 Optical Power Testing
116
CellAdvisor JD720C User's Manual
Viewing a relative power
You can view a relative power in dB by setting a reference value.
Procedure
1
Press the
SETUP
hard key and touch the
Setting
tab.
A.
Select the reference option from the following choices:
–
Measurement Value:
To use the last measurement value as a reference automatically.
–
Manual:
To enter a reference value manually.
2
Tap the
Set Reference
screen key. You can also press and hold the physical round button on the
plugged MP-series device for 3 seconds until you hear a beep sound.
A delta value in dB appears on the screen.
3
To view an absolute power measurement again, tap the
Release Reference
screen key. You can
also press and hold the physical round button on the plugged MP-series device for 3 seconds until
you hear a beep sound.
Storing power readings
You can store power measurement readings in a
.csv
log file.
Procedure
1
Tap the
Store
screen key.
Each time that you tap this key the instrument adds a power meter reading to the
.csv
log file
that is created in
the root directory of the instrument’s internal memory.
NOTE
If you have checked the option called
“
Link OPM readings with fiber analysis
” in
the Fiber Inspection > Setup and then come to the Optical Power Meter mode to store
power meter readings, the instrument integrates the captured readings into a fiber
inspection report in the Fiber Inspection mode.
