56 FieldFox User’s Guide
How to set Start and Stop time
Press Measure 4
Then Transform
Then Transform Start Stop
Then choose from:
o Start Sets the transform start time.
o Stop Sets the transform stop time.
NOTE Zero (0) seconds is always the calibration reference plane. Negative values are
useful if moving the reference plane.
Distance Units
When markers are present on a Time Domain trace, marker X-axis values are
shown both in units of time (seconds) and distance. Select the units in which the
marker distance data is presented.
Distance Units are also used when setting Time Domain Line Loss. Learn more
on page 57.
Choose from: m (meters), or Feet.
Window Layout
This setting is used to create additional traces, or select a new layout for traces
that are already created,
Choose from: x1, x2, x2H, x3H, x4.
Learn more about multi-trace configurations on page 40.
Transform Window
There are abrupt transitions in a frequency domain measurement at the start
and stop frequencies, causing overshoot and ringing in a Time Domain response.
The Window setting reduces the abruptness of the frequency domain transitions.
This causes you to make a tradeoff in the Time Domain response.
The Window setting applies to ALL traces.
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