In the Cluster Management Console Console GUI, the current active control has focus. You can use the Tab key to move focus from one control to another.
When a radio button has focus, use the up and down arrow keys to move focus to a different radio button. When a button has focus, pressing Enter activates or selects the button.
When a drop-down menu has focus, use the up and down arrow keys to move among the selections and then press Enter to make your selection.
When a check box has focus, press the Spacebar to select (check) or deselect (uncheck) the box.
When a text box has focus, use your keyboard to type text in the box.