Drag the mouse pointer through a slice, up or down.

You can also click on an image slice and scroll with the mouse wheel.

Click anywhere on a page and scroll with the mouse wheel:

• Up takes you to the previous page

• Down takes you to the next page

For touchscreen monitors, you can swipe with your fingers.

Drag the mouse pointer:

• Up to zoom out

• Down to zoom in

You can also click on an image slice and zoom by simultaneously holding down the Ctrl button and scrolling up or down with the mouse wheel.

Click on a 3D image and drag the mouse pointer.

Click on an image slice and drag the mouse pointer to improve the visibility of structure contrast:

• Drag up/down to increase/decrease the Hounsfield unit/gray value level
• Drag right/left to increase/decrease the Hounsfield unit/gray value window width