7 - 14 Operator’s Manual
7 3D/4D
When the level is higher than 0 and [Move Light] is highlighted, image close to the light source is
clearer, and image away from the light source is darker.
Move the light
This function is to adjust the position of the light source as VR is considered. The image becomes
clearer as keeping closer to the light.
Adjustment: roll the trackball and change the light position to make fine adjustments after tapping
[Move Light].
Image Zooming
Adjust the zoom factor of 3D image, the section images will be zoomed in/out accordingly.
Switch the current window to 3D window. Rotate <Depth/Zoom> to change the magnification
factor.
Sync
This function is to switch the direction of the image to the direction that is perpendicular to the
current active plane, so as to get a better observation.
Comments and Body Mark
Add comments and body mark on MPR and 3D image.
The operations are the same with these in B mode.
Image Editing
Image cutting is a more elaborate function than VOI adjusting to optimize the 3D by clipping the
part that blocks the ROI (region of interest).
• In image cutting status, image parameter cannot be edited. There displays a cutting cursor ,
and the system enters “Accept VOI” status.
• The editing function is only available on 3D image.
Perform the following procedure:
1. Enter image cutting status by taping [Tools] tab page.
2. Select an edit/erase tool:
– Polygon: Press <Set> to position the start point, roll the trackball to set a region and press
<Set> to trace the region. When the start point and the end point coincide, the region is
selected or you can press <Set> twice to finish tracing. Move the cursor to the region you
want to edit and press <Set> again to edit.
– Contour: Press <Set> to position the start point, roll the trackball to trace the region.
When the start point and the end point coincide, the region is selected or you can press
<Set> twice to finish tracing. Move the cursor to the region you want to edit and press
<Set> again to edit.
– Rectangle: Press <Set> to fix the rectangle position, roll the trackball to change the size,
and press <Set> again to finish rectangle drawing.
– Line: Press <Set> to position the start point and the system will display a reference line,
roll the trackball to set the line orientation and press <Set> to start drawing, press <Set>
when ends are necessary; press <Set> twice to finish drawing. Move the cursor to the
region you want to edit and press <Set> again to edit.
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