FIGURE 1
The Direction Pad is one of the tools to adjust the Dose map position.
Click the direction pad to move the image to eight directions.
Use button B to control the image movement speed. Left click button B 
to change the cursor speed to decelerated speed, right lick button to select deceleration speed relative to cursor speed.
Use button A 
to enable mouse to drag the image position. Left click the button A, select “Drag image vertically and horizontally”, then you can use your mouse to drag the image.
As shown in figure 1, C shows the offset at the rotation pole. You can also manually input any offset value to get the best passing rate.