This function allows for displaying cross hairs on the images to assist navigation through the slices.
To display the Cross Hairs on the image, go to the View menu and select Cross hair.
The Cross Hairs are displayed over each cross-sectional image: sagittal, transversal and coronal. To display the cross hairs in the images, go to the View menu and select Cross Hair. To conceal the cross hairs from view, unselect the Cross Hair functionality by left-clicking on it.