PON Optical Power Meter
-8-
4.2.3
Set threshold value
Press“
” While in main interface
，
the following feature set:
Relative value measurement
According to the test requirements, choose to display different wavelengths and
reference values, relative power value = absolute power value - reference value.
press“
or
”to choose different wavelength, press“
”change the
reference value.
Threshold selection
Reference
Relative power
