Running the Dell Diagnostics 4-5parallel communications device, the computer recognizes theprinter by its LPT1 address and identifies it as a parallel port.How to Use the MenuOne of the menu options is already highlighted at the bot-tom of the screen. You can move the highlighting fromone option to another by pressing the left- or right-arrowkey. As you move from one menu option to another, abrief explanation of the currently highlighted optionappears on the bottom line of the screen.If you want more information about a test group or sub-test, move the highlight to the ABOUT option and press<ENTER>. After reading the information, press <ESC> to returnto the previous screen.Main Menu OptionsThe Main menu of the diagnostics main screen lists eightoptions: RUN, SELECT, SUBTEST, OPTIONS, TEST LIMITS,ABOUT, KEY-HELP, and QUIT.NOTE: Before running any test groups or subtests (byselecting RUN and then ALL), you should consider setting glo-bal parameters within the OPTIONS option. They offer yougreater control over how the test groups or subtests are runand how their results are reported.There are two ways to select a menu option:• Type the capitalized letter in the option (for example,type r to select the RUN option).• Use the left- or right-arrow key to highlight theoption, and then press < ENTER>.Whenever one of the eight options is selected, additionalchoices become available.The following subsections explain the menu options aslisted from left to right in the Main menu.RunRUN displays five options: ONE, SELECTED, ALL, KEY-HELP, and QUIT MENU. If you select ONE, only the high-lighted test group is run. If you choose SELECTED, thecomputer runs the test groups, or subtests selected withinthe test groups that you selected. (Select test groups orsubtests within test groups with the SELECT or SUBTESToptions, described in the following subsections.) If youselect ALL, all of the subtests in all of the test groups arerun. (The test groups or subtests are run in the same orderas they are listed.)The KEY-HELP option displays a list of key controls availablefor the selected option. The QUIT MENU option returns you tothe Main menu.SelectSELECT allows you to select individual test groups to tai-lor the testing process to your particular needs. You canchoose one or more test groups and run them sequentiallyor individually. When you choose SELECT, five optionsare displayed: ALL, ONE, CLEAR ALL, KEY-HELP, andQUIT MENU.To select all the test groups, highlight ALL in the Selectmenu and press <ENTER>. To select an individual test group,either press the up- or down-arrow key to highlight the testgroup and press the <SPACEBAR>, or highlight ONE in theSelect menu and press <ENTER>.To reverse a test group selection, highlight the test groupand press the < SPACEBAR>. To clear all selected test groups,select CLEAR ALL.The KEY-HELP option displays a list of key controls availablefor the selected option. The QUIT MENU option returns you tothe Main menu.