AFL OFL250 - OTDR Expert and Event Settings; Expert Mode Settings

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In the Expert test mode, you may set to Off or By Range.
• Off: Setting the Auto Setup parameter to Off, allows you to set the Range, Filter, Pulse, and
Averaging parameters.
• By Range: Setting the Auto Setup option to By Range, allows you to set the Range
parameter while the Filter, Width, and Averaging parameters are set by the OFL250.
To Set Expert Mode Parameters
1. From the Expert mode submenu, use keys to highlight the desired test parameter.
2. Use keys to change the highlighted parameter.
OTDR Test Settings
Expert Mode Settings
Events Menu Settings
Events settings are available in the Full Auto, End Locate, and Expert test modes.
• In the Full Auto test mode, the Events parameter is set to Auto by default with the Thresholds
parameter available as Default or User selectable.
• In the Expert test mode, the Events parameter may be set to Auto or Off. If set to Auto, the
Thresholds parameter is available as Default or User selectable.
Event Thresholds in Full Auto and Expert test modes
Threshold Min Value Default Value Max Value
End Loss, dB 1.0 dB 3.0 dB 6.0 dB
Event Loss, dB 0.02 dB 0.10 dB 2.00 dB
Event Reflectance, dB -10.0 dB -65.0 dB - 65.0 dB
• In the End Locate test mode, the Events parameter is set to End Locate by default with the
Thresholds parameter available as Default or User selectable.
Event Thresholds in End Locate test mode
Threshold Min Value Default Value Max Value
End Loss, dB 1.0 dB 3.0 dB 6.0 dB
Wavelength 1550 nm
Auto Setup By Range
Range 250 m
Filter Off
Pulse 10 ns
Averaging Auto
Test EventFiber Cables
FilesUSB Trace
Press ‘Test’ to start test
Expert
If set to By Range, set Range
while the OFL250 sets the
Filter, Pulse, and Averaging.
If set to Off, set Range, Filter,
Pulse, and Averaging.
Choose a single wavelength or
dual wavelengths.
Use Left /Right arrow key to
change highlighted parameter.