Chison ECO 6 - Trace; Histogram

ECO 6 Digital Color Doppler Ultrasound System
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4. Move the cursor to the end-point of the ellipse, press [ENTER] to fix the axis, at the same time, the next
axis can be updated, and can change the size of the axis by the trackball.
5. Now press [UPDATE] can exit to the step 4.
6. After fixing the next axis, can press [ENTER] to complete the measurement.
7. After the measurement, the result will display in the measurement results area.
8. Repeat the steps from 1 ~6 to start next “ellipse” measurement. Press [DEL] to delete all the measurements.
Note:
Each group of measurement is limited, if the measurement results beyond, it will begin a new group of
measurement automatically.
6.2.3 Trace
Measurement steps:
1. Press the [Calc] and [Change] button to enter into General measurement. Move the trackball to select the
[Perimeter/Area<Ellipse>], press [UPDATE] to change option to [Perimeter/Area<Trace>] in the menu
and press [ENTER] or press the quick measure button [Trace]; it will display a segment “+”icon.
2. Move the “+”icon by cursor, Press [ENTER] to fix the point and the cursor can be moved to the next
position.
3. Make the cursor tracing along the edge of required area, the traced line can be not closed.
4. Now press [UPDATE] to cancel the tracing.
5. Press [ENTER] again in the endpoint, the start point and end point of trace line will be closed by a straight
line.
6. After the measurement, the result will display in the measurement results area.
7. Repeat the steps from 1 to 5 to start next “trace” measurement. Press [DEL] to delete all the measurements.
Note:
Each group of measurement is limited, if the measurement results beyond, it will begin a new group of
measurement automatically.
6.2.4 Histogram
Histogram is used to calculate the gray distribution of the ultrasound echo signals within a specified area. Use
the rectangle, ellipse or trace method to draw along the desired measurement area. The result is shown in the
form of histogram.
Histogram can be measured only on the frozen image.
◆ Measurement steps by rectangular method:
1. Press [Calc] to enter into measurement, press [Change] to switch measurement menu to [General]
measurement.
2. Press [ENTER] on [Histogram] menu to enter into measurement status.
3. Press [ENTER] to fix one apex of the rectangle.
4. Move the trackball to change the cursor position and fix the diagonal point of the rectangle
5. Move the trackball to change the cursor position, fix the diagonal point of the rectangle, and press [ENTER]
again to confirm the measurement area. The result will display on the measurement result area.
◆ Measure the histogram by ellipse or trace method: The method is the same as that to measure ellipse or
trace method, press [UPDATE] to change the measurement between ellipse and trace.
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