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M-UM010-02 TTK 720 06/18
4b - Set Reference in VIS 300C Software
When the test jumpers and loopback have been connected correctly, a reference must be set
before testing can begin.
Touch “Power Meter”
onscreen
-5.95dBm λ 1550nm
0.00dB λ 1550nm
The Power Meter screen interface will appear. All power meter testing (dB loss testing) will be done
from this screen.
IMPORTANT:
Ensure DLS 355 is turned on. Press the
“
λ
Wavelength” button to choose the
wavelength onscreen. This must match
the wavelength light on the DLS 355.
If the dBm value onscreen is between
-3dBm and -8dBm, press the “SetRef”
button onscreen. The reading will
immediately change to 0.00dB. This is
the mode you will use to test.