Learn how to Customize Point Scanning on your iPhone 5s.
Point scanning lets you select an item on the screen by pinpointing it with scanning crosshairs.
Turn on point scanning. Use item scanning to select Settings from the menu, then select Item Mode to toggle it to Point Mode. The vertical crosshair appears when you close the menu.
Return to item scanning. Select Settings from the control menu, then select Point Mode to toggle it to Item Mode.