Android studio (0.9.1) beta - Ctrl+F1 hotkey -

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i'm beginner apologize silly question. ctrl+f1 hotkey displaying error. when press combination there painting tool appearing. i've tried change couldn't find combination (ctrl+f1) in settings -> keymap, couldn't find name of functionality describes error (what ctrl+f1 did before). bug? how can revert ctrl+f1 did?

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