Viavi SmartOTDR 100, User Manual, Page: 51 / 156

Chapter 5 Power meter & VFL (Visual Fault Locator)
Using the Power meter via USB port
User Manual 7SMART102 Rev002 33
– the reference level expressed in dB.
– the level of Attenuation Compensation.
Table of results
For one and the same fiber, the power meter displays a table of 9 results
corresponding to the different possible wavelengths. The first 4 results
are displayed on the screen; to scroll through the other results, use the
direction key
or touchscreen. The table shows the power measured
in dBm, the relative power (in dB) and the reference level in dBm (if units
= dB), together with the mode.
– A measurement result is displayed in the table when the Keep
Result soft key is pressed.
– The Clear Table soft key orders deletion of all the results displayed
in the table.
– If the Alarm function has been activated, any result that exceeds the
selected thresholds appears in red in the table. Otherwise, results
are shown in the table in green.
– When the instrument is switched off, results present in the table are
saved.
Commands of the
power meter
parameters
When the Powermeter function is selected, the following softkeys are
available on the results page:
The different configuration buttons are displayed:
Wavelength selection of the wavelength
Unit choice of the unit
Zero Adjustment of the Zero value when the power meter’s
optical input is closed with a plug (a validation is
required).
Fig. 18 Results and commands of the power meter
Results of the
powermeter