• F2 toggle Auto Follow on / off
• F3 toggle ENC Text.
• F4 activates the chart measure pencil. Esc Stops it
• F5 toggle Daylight, Dusk & Night mode, if built into the Chart ( “C”, Ctrl+C, Ctrl+G)
• F6 General Dimming, in steps, of the entire Screen. (except Mac OS X ) OpenGL must be off.
• F7 Larger Scale Raster Chart (Scale In) or Ctrl + Left-Arrow
• F8 Smaller Scale Raster Chart (Scale Out) or Ctrl + Right-Arrow
• F9 Chart Quilting . Toggle on/off
• F11 toggle Full Screen view.
• F12 toggle Chart Outlines
• SHIFT + F6 reverses the dimming.

Hot Keys or Shortcut Keys

• C change color scheme -new similar to Ctrl+C, Ctrl+G and F5
• L toggle ENC Lights on/off. “Mariners Standard” display category.
• O toggle Chart Outlines. or F12
• T toggle ENC Text or F3
• S toggle ENC soundings.
• A toggle bottom features, useful when anchoring. “Mariners Standard” Anchorage area & Anchor berth display category.
• D toggle Detail Slider (ENC & CM93). Hide only works, if the slider lost focus.
• M toggle Measure Tool F4
• Q toggle Chart Quilting
• + Zoom In
• - Zoom Out
• Alt + Arrow Keys. Moves the chart view in very small steps.

Control Keys

• Ctrl + scroll wheel, zooming in/out in small steps
• Ctrl + Left-Arrow-Key Larger Scale Chart (Scale In) (F7)
• Ctrl + Right-Arrow-Key Smaller Scale Chart (Scale Out) (F8)
• Ctrl + A Auto Follow
• Ctrl + B toggle the Chart Bar.
• Ctrl + C Change color scheme - new similar to Ctrl+G, “C” and (F5)
• Ctrl + G* cycles through green, red and normal screen.
• Ctrl + I toggle small dialog, containing GPS status & Course/Up North Up Icons, on/off.
• Ctrl + M Drops Marker at current cursor position.
• Ctrl + N Activate next waypoint in an active route.
• Ctrl + O Drops Marker at current ownship position. (or Spacebar)
• Ctrl + Q Quits OpenCPN
• Ctrl + R Starts the Routing tool. Esc ends creating route.
• Ctrl + Y Redo Mark/waypoint create, move or delete.
• Ctrl + Z Undo Mark/waypoint create, move or delete.
• Ctrl + , the option Window is displayed.

Other Keys and Clicks

• Keyboard Arrow Keys. Moves the chart view.
• Left clicking on a chart, centers the chart on that point.
• Double clicking a vector chart, displays all info for that point (exception below).
• When the cursor becomes a green arrow, clicking pans in the direction od the arrow.
• Double clicking on a mark or waypoint, displays the Mark Properties Dialog
• Double clicking on a route or track, displays the Route/Track Properties Dialog
• Right clicking on any chart, access a context sensitive menu.
• Esc ends the process of route creation or stops the measure pencil.
• Right Mouse click on chart View center lat & long
• Left Mouse click on chart moves to center of view (Touchscreen interface becomes a “Hand”)
• Scroll Wheel, zooming in/out
• Alt + scroll wheel, zooming in/out in small steps.