Optimizing the Image
5-44 LOGIQ 7 Online Help
Direction 2392536-100 Rev. 1
Generating a Trace
Trace from a pre-
defined sample
area
1. If the trackball assignment is not on QA, press Scan Area
until QA highlights.
2. If necessary, select the sample area Ellipse ROI button
(shape icon on the monitor display).
3. Move the cursor to one of the Cineloop windows using the
Trackball.
4. Press Set to anchor the sample area.
In this frame, the sample area is marked with an anchor. If
the cineloop has more than one heart cycle, a sample area
will also be anchored in the corresponding frame in the next
heart cycle.
The trace is updated accordingly in the Analysis window.
Trace from
freehand sample
area
1. Select the Freehand ROI button (pencil icon on the
monitor display).
2. Move the cursor to one of the Cineloop windows using the
Trackball.
3. Press and hold down the Set key while drawing a sample
are using the Trackball.
4. Release the Set key.
The sample area is automatically closed and the trace is
updated accordingly in the Analysis window.
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