KEYBOARD CONTROLS: Arrow keys to navigate. B/V to zoom. Space to reset all. MOBILE CONTROLS: Swipe a bit or tap to show the control template. Tap on the arrows or swipe in the direction you wish to pan in the middle square - not the one right in the center - to pan. If you hold down on the square in the center with a circle in it, it will reset the position and zoom. Tap on the bit of screen with a magnifying glass and a plus/minus to zoom.