User`s guide

How to Use the Visual Fault Finder submodule 6 Sample Sessions: Other Mini-OTDR Modes
E6000C Mini-OTDR User’s Guide, E0302
173
NOTE If the left-hand diagram is grayed, as in Figure 66, you do
not have a submodule installed, or it is installed
incorrectly. If you have a submodule in the back of your
instrument, check that both the module and the
submodule are in their slots properly.
Select modulation 5 Cursor to the left-hand diagram. If you want to alter
the modulation, select M
OD. You can choose CW for
Continuous Wave modulation, or 1Hz for a light
flashing at a frequency of 1 Hertz.
Activate Visual Fault Finder 6 Remain at the left-hand diagram and select O
N/OFF.
The Visual Fault Finder is activated, and the circle at
the top of the screen is filled.
7 Examine the fiber attached to the submodule. Red light
shows through the casing where there are breaks or a
remote fiber outlet. If you have chosen a 1 Hz
Modulation, this light is flashing.
WARNING Under no circumstances look into the end of an optical
cable attached to the optical output when the device is
operational. The laser radiation can seriously damage
your eyesight.
The Visual Fault Finder works on fibers with coatings
of up to 3 mm, and at distances of up to 5 km.