Panasonic FZ-G2 Series Operating Instructions Manual page 38

When [A3 Button] in the sub-menu of [Tablet Button Configuration] in the [Main] menu of the Setup Utility is set to [Application3].
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Since the key combination of ≪ Fn≫ + ≪ 1≫ is assigned to [Application1], the function of "Action" is reflected in "A1".
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Since the key combination of ≪ Fn≫ + ≪ 2≫ is assigned to [Application2], the function of "Action" is reflected in "A2".
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Since the key combination of ≪ Fn≫ + ≪ 3≫ is assigned to [Application3], the function of "Action" is reflected in "A3".
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