
To identify fiber faults visually:
1. Clean the connectors properly (see Cleaning and Connecting Optical
Fibers on page 22).
2. Connect the fiber under test to the VFL port.
3. From the main window, press the button.
4. Select Continuous to use the VFL with continuous output or Blink to
use the VFL with 1 Hz pulsed output.
5. Under VFL, press Tur n ON to send the VFL signal. You can stop the VFL
signal emission at any time by pressing Turn OFF.
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