Operation Manual

Chapter 8
Fiber testing (LWL) FiberTEK™ FDX
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8.6. Set Autotest Pref
Autotest is the test mode used most often. The Autotest allows various presettings:
Automatic saving
Passed/Failed Rating
1. On start screen of Display handset (DH) select option Preferences.
2. Select option Autotest Pref.
3. Now enter the desired preferences in the opening screen.
NOTE:
Please note that Autotest Pref entered by you must be in compliance with the requirements
of the certification to be carried out.
8.6.1. Selection of Module (fiber type)
1. Use Arrow Keys to navigate on ready screen to "Fiber" display and confirm with
Enter.
2. Mark the wavelength in accordance with the fiber to be measured. If the loss
budget has already been determined, accept the preset value with Enter and
confirm with Enter.
Illustration 8.6.1. Select Wavelength
8.6.2. Determine Loss Budget
The loss budget influences the passed/failed thresholds for the loss measurements performed
with FiberTEK™ FDX. However, since the loss budget has no impact on the actual loss
measurement, this function is for informative purposes only. If the measured loss is smaller
or equal to the loss budget, a is displayed. If the loss exceeds the loss budget, the
following symbol appears: .
1. Use soft key to open Loss Budget Menu and to change limits according to
wavelength.
2. Use soft keys 850nm, 1300nm, 1310nm and 1550nm to select the according
wavelength to specify the loss budget.