Exfo FOT-930 Multifunction Loss Tester Bedienungsanleitung PDF herunterladen (Seite 68)

Using a Light Source

60 FOT-930

 Only one source/wavelength may be active at a time. The active port

(SM or MM) is indicated in the Source pane.

 The source status is indicated with a LED in the status bar and with the

Active indicator under the keypad.

Note: The Active indicator always shows the source, VFL, ORL meter or talk set

port status (even in FIP or idle mode).

To activate a light source:

1. Connect the fiber under test to the source port (see Cleaning and

Connecting Optical Fibers on page 22).

2. Press Menu, then select Source/VFL > Source (units with a VFL) or

Source (units with no VFL).

3. Press Wavelength (F1/F2 key) to activate each available source in turn.

Use the arrows to open the wavelength/status list and select the

desired wavelength.

To deactivate a light source:

Press Wavelength (F1/F2 key) until you get past the last source. The list

displays Off.

Use the arrows to open the wavelength list and select Off.

To change the signal modulation:

1. Activate the source if you want.

2. Press Modulation (F1/F2 key) to switch

between available modulations.

3. Use the arrows to open the list and select the

desired modulation.

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Exfo FOT-930 Multifunction Loss Tester Bedienungsanleitung Seite 68