Chapter 4: Using the Deluxe Optical Power Meter with Memory
3.Turn on/off the
if you do not press a key within 10 minutes. Press the 
key for about two seconds to deactivate the
4.3 Setting the Wavelength
Press the 
key repeatedly until the desired wavelength displays. Select from six possible wavelengths: 850, 1300, 1310, 1490, 1550, and 1625 nm. The default wavelength is 1550 nm.
The power meter defaults to the wavelength that you set in the last test.
When used with an optical laser source, the wavelength will shift according to the
laser source’s output wavelenth. Press and hold the 
key to activate auto- wavelength recognititon.
Figure 4-5. Press repeatedly to select the wavelength.
Figure 4-6. Press and hold to activate auto-wavelength recognition.
4.4 Switching Measurement Mode
Press the 
key to select from three measurement modes: dBm for the power value, dB for the relative value, and mw for the logarithmic value.
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