User manual

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horizontally, vertically and rotationally”,the dose map is automatically aligned with
the in-plane and transverse axes and thereby with the treatment plan.
To manually align the dose map and treatment plan, click the Image
Movement icon, on the toolbar to activate the tool. A little arrow
appearing in the icon indicates the tool is active - . Click the icon below
Image Movement icon to toggle between coarse movement , or fine
movement . Right click either icon to adjust the motion speed over an
even greater range. Clicking the Image movement icon, to activate the
tool. Select fine movement and right click the icon to choose a further adjust the
motion speed. A setting of 2% or 5% is usually best. To display the rotational pole, click
and select a position. “Move pole to center cross” is usually the best choice after a
fiducial alignment but the pole could be positioned at other locations if preferred.
Fine adjustments are best controlled by
using the rotation and translation
buttons appearing at the bottom of the
Image Panel when the Image movement
tool is on. For translational movement,
click the arrows on the large square
button or turn the circular knob for
rotation. Alternatively click either button
and use the keyboard arrows. The
display to the right of the rotation knob
shows the xy coordinates of the rotation and the rotation angle. % will be most useful.
Larger values are associated with coarse movement.
The Dose Map can be moved by click/drag of the overlay image, but the adjustments
can be better controlled by using the rotation and translation buttons that appear at the