5-46 Image Optimization
View Direction
Touch [Up/Down], [Left/Right] or [Front/Back] on the second page of the touch screen to select the
direction of the above Figure a, c and e.
Touch [Flip] on the touch screen to observe by the converse direction of the current direction, as
shown in the Figure b, d and f.
Adjust VOI
VOI On
VR image displays VOI information.
1. In image viewing status, touch [VOI] to be ―On‖.
2. Select a desired window by touching [A], [B] or [C] or [VR].
3. Roll the trackball to adjust VOI position, size and curved VOI, and press <Set> to switch
among the adjusting status; or you can rotate <4D> knob on the control panel to adjust relative
position of MPRs so as to slice through the VR.
VOI Off
VR image displays ROI information.
Touch [VOI] to be ―Off‖, then the ROI image is displayed on the screen, roll the trackball to observe
MPR.
Accept VOI
1. This function is usually used for MPR observation and to determine the relative position of the
MPR to the VR.
2. Touch [Accept VOI] on the touch screen.
3. Select a desired MPR by touching [A], [B] or [C] or [VR].
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