TTI FTE-7000A User Manual page 20

Chapter 7 OTDR Operation
Trace Parameter Settings
The cursor is the yellow highlighted area. (If the yellow cursor is on a value that is selected, that block will be
highlighted green) The blue values are the currently selected values. To move through this section, use the
Up/Down buttons to move between parameters and the Left/Right buttons to change parameter values.
There are two additional setting in this area that are not available on the main OTDR screen, distance unit and
pulse width unit.
Touch Screen Tip
When using the touch screen feature, only a single touch is required to set trace parameters.
Note
An arrow at the beginning or end of a list indicates additional setting are available. A black square at
either end indicated the end of the list.
Event Table/Fib-R-Map Sensitivity Settings
The cursor is the yellow highlighted area. (If the yellow cursor is on a value that is selected, that block will be
highlighted green) The blue values are the currently selected values. There are three levels of sensitivity for
the event table and Fib-R-Map. The lowest setting possible should be used to help fi lter out any events, that
may be caused by short pulse widths, but are not true perturbations in the optical signal
Pass/Fail Threshold Settings
There are four pass/fail thresholds that may be set. Use the LRUD buttons to move between threshold
categories, once a categories is highlighted, press select to change the focus of the LRUD buttons. Use the
up/down button to make changes to the highlighted digit and the left/right buttons to move the another digit.
Once the desired value is entered, press selected again. Continue until all thresholds settings have been
completed.
Date/Time Settings
Use the LRUD buttons to highlight the calendar month and press select. Use the left and right buttons to
change the month and press select. Use the LRUD buttons, highlight the date and press select.
Use the LRUD to buttons to highlight the clock and press select. Use the up/down buttons to make changes
to the highlighted digit and the left/right buttons to move the another digit. Once the desired time is entered,
press selected.
Exit Parameter Setting Screen
Press the menu button or touch Return to exit the parameter page.
FTE-7000A User's Guide Rev A 5/2014 15