EXFO FTB-7000 OTDR Series for FTB-500 User Manual
Page 81
Testing Fibers in Advanced Mode
OTDR
67
8. If your OTDR supports singlemode, singlemode live, or multimode
wavelengths, under Wavelengths, from the list, select the desired fiber
type (for live-fiber testing, select SM Live; for C fiber, select 50 μm and
for D fiber, select 62.5 μm).
9. Select the boxes corresponding to the desired test wavelengths. You
must select at least one wavelength.
10. Select the desired distance, pulse, and time values. For more
information, see Setting Distance Range, Pulse Width, and Acquisition
Time on page 71.
11. Press Start. If the first connector check feature is enabled, a message
will appear if there is a problem with the injection level (see Enabling
or Disabling the First Connector Check on page 54).
You can modify the acquisition parameters as needed, while the
acquisition is in progress. The OTDR simply restarts the averaging each
time a modification is made.
12. Once the analysis is complete, save the trace by pressing Save in the
button bar.
If you have activated the autonaming feature, the application will use a
file name based on the autonaming parameters you defined
(see Naming Trace Files Automatically on page 50).