Owners Manual

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6.6 Optical module
To display the optical module, press and then select “Optical module” menu
with button. It displays a screen for the optical module menu as follows.
Optical module menu is equipped with functions such as information on optical power
meter and V.F.L., etc.
6.6.1 Optical power meter
Press “Optical power meter” and it shows the following screen. You can check
information on optical module power meter.
– Tone: Displaying frequency of light source
– Continuous: State turned on at all times without frequency of light source
– Others: Displaying the corresponding frequency (270, 330, 1K, 2K by unit of Hz)
– Wavelength: Displaying wavelength of light source
– Optical power: Displaying power of light source, marking default dBm and mW
– dBm/dB: Selecting which of dBm or dB to be used in displaying power of light source
Upon marking with dB, the reference is also marked simultaneously.
– Save: Saving measured values of light source that are currently being measured
– Ref. (Reference): Setting reference value upon marking with dB
– W/L(Wavelength): Making changes on wavelength of light source