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To view, set or change keyboard commands, open Preferences > Shortcuts. Click in the Keystroke field for you your selected shortcut, and the cursor will appear in an open text box. Type the key(s) you want to use as the shortcut (usually Control, Alt + a letter or number key). As soon as the proper key appears in the box, the shortcut is set. To clear keyboard commands, select the shortcut and use the Clear button.
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