Performing an operation               ·-----·-----·-----·-----
                                          | ··· | ··· | ··· | ··· |
    For menu operations, highlight a      |     |     |     |     |
    menu command and press the Return     ·-----·-----·-----·-----
    key to perform the current command    | ·   | ·   | ·   | ·   |
    operation.                            |     |     |     |     |
                          ·--------·      ·-----·-----·-----·-----
                          | Return |      | ·   | ·   | ·   | ·   |
                          |        |      |     |     |     |     |
                          ·--·     |      ·-----·-----·-----·-----
                             |     |      | ·   | ·   | ·   |Enter|
                             |     |      |     |     |     |     |
                             ·-----·      ·-----------·-----·     |
                                          | ·         | ·   |     |
                                          |           |     |     |
                                          ·-----------·-----·-----