Handheld Optical Power Meter
15
Calibration wavelength
6.4.3 Unit switch
6-8
Press
to switch between absolute measurement (dBm), relative measurement (dB), and xW of
the optical power (6-9).
dBm
dB
xW
6.4.4 Relative value measurement
6-9
Each wavelength can set the Ref value. Press
to set the current value as the 0 dB ref value
and automatically calculate out the relative value (top right of the screen will display the
“ref” and setting
dBm value 6-10) prior to link testing.
Relative value setting
Relative value setting
6-10