Figure 4.79 - A negative discontinuity
Figure 4.80 - A positive discontinuity
When there are one or more discontinuities the actual time encompassed by the visible timeline differs
from the zoom level duration that would apply in the absence of any discontinuities. The actual time,
referred to as absolute time, is shown followed by “(abs)”. The zoom level duration, referred to as
relative time, is shown followed by “(rel)”. When there are no discontinuities, relative and absolute time
are the same and a single value is shown.
Figure 4.81 - Timeline header with discontinuity
Figure 4.82 - Timeline duration footer with discontinuity
For example, the timeline above has a zoom level duration of 15.625 ms (the relative time shown in the
footer). But the discontinuity graphic consumes the width of a
Bluetooth
slot (625 µs), and that area is
7.19984 s of absolute time as shown by the Gap value in the header. So the absolute time is 7.21484 s:
Zoom level duration –
Bluetooth
slot du Gap duration =
15.625 ms - 625 µs + 7.19984 s =
0.015625 s – 0.000625 s + 7.199840 s =
0.015000 s + 7.199840 s =
Chapter 4 Capturing and Analyzing Data
TELEDYNE LECROY
Frontline BPA low energy Hardware & Software User Manual
115
Summary of Contents for BPA LOW ENERGY
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