• +: Zoom in
• -: Zoom out
• 1, 2, …9, 0, a: predefined FOV range #
• Mousewheel push: Zoom in
• Mousewheel pull: Zoom out
• Continuous left mouse click with drag of the mouse cursor: select a zone to Zoom in
  • Continuous left mouse click with drag of the mouse cursor: move the selected zone over the chart
  • left-click in the selected zone: confirm the Zoom

For a precise form of control over the Field of Vision, see the lower part of View → Postion.

• n: Display the North horizon
• e: Display the East horizon
• s: Display the South horizon
• w: Display the West horizon
• z: Display the Zenith
• keyboard and numpad arrows (even diagonal): chart displacement in the direction of the arrow
  • + Ctrl: faster displacement
  • + Shift: slower displacement
• Mousewheel click and drag: chart displacement
• shift + left mouse key pressed and drag: chart displacement

For a precise positioning of your chart, see the upper part of View → Position.

The following is only applicable when the display of stars is set to parametric mode.

• ctrl + q: increase faint stars size
• ctrl + a: decrease faint stars size
• ctrl + w: increase brightness
• ctrl + s: decrease brightness
• ctrl + e: increase contrast
• ctrl + d: decrease contrast
• ctrl + r: increase color saturation
• ctrl + f: decrease color saturation
• ctrl + i: show/hide the background pictures

• left-click on an object: select the object, show label
• right-click on an object: object pop-up menu

While „edit label” mode is on:

• left-click on label: detailed information
• right-click on label: edit label pop-up menu

• F1: contextual help (These documents)
• F11: full screen
• ctrl + b: show/hide toolbars
• ctrl + c: copy chart to clipboard
• ctrl + tab: activate the next chart