Running the System Diagnostics 5-5are displayed: All, One, Clear All, Key-Help, and QuitMenu.To select all the test groups, press the key whenAll is highlighted in the Select menu.To select an individual test group, highlight the test groupand press the or highlight One and press. Press the up- or down-arrow key to change thehighlighted test group.To reverse a test group selection, highlight the test groupand press the . To clear all selections, selectClear All.The Key-Help category displays a list of key controlsavailable for the particular category you have chosen.The Quit Menu category returns you to the main screen.SubtestMost of the test groups consist of several subtests. Usethe Subtest category to select individual subtests withinthe test group(s).When you select Subtest, the options displayed are manyof the same categories as those on the main screen: Run,Select, Options, Test Limits, About, Key-Help, and QuitMenu. Each of these options is explained in the followingsubsections.Run (Under Subtest)Run in the Subtest menu displays five options: One,Selected, All, Key-Help, and Quit Menu. If you selectOne, only the highlighted subtest is run. If you selectSelected, only the selected subtests are run. If you selectAll, all of the subtests listed on the screen are run. (Thesubtests are run in the same order as they are listed.)The Key-Help option displays a list of key controls avail-able. The Quit Menu option returns you to the previousmenu.Select (Under Subtest)Select in the Subtest menu allows you to select individualsubtests to tailor the testing process to your particularneeds. You can choose one or more subtests from the list.When you choose Select, five options are displayed: All,One, Clear All, Key-Help, and Quit Menu.To select all the subtests, press the key when Allis highlighted in the Select menu. To select an individualsubtest, highlight the subtest and press the orhighlight One and press . Press the up- or down-arrow key to highlight a subtest to be selected.To reverse a subtest selection, highlight the subtest andpress the . To clear all selections, select ClearAll.The Key-Help option displays a list of key controls avail-able. The Quit Menu option returns you to the previousmenu.Options (Under Subtest)The Options option in the Subtest menu functions thesame way as the Options category in the main screen. Forinformation on this option, see “Options” later in thissection.Test Limits (Under Subtest)The Test Limits option in the Subtest menu functions thesame way as the Test Limits category in the main screen.For information on this option, see “Test Limits” later inthis section.About (Under Subtest)The About option in the Subtest menu displays informa-tion about the highlighted subtest.Key-Help (Under Subtest)The Key-Help option in the Subtest menu displays a listof key controls available.Quit Menu (Under Subtest)The Quit Menu option in the Subtest menu returns you tothe main screen.