Toshiba M200-ST2002 Maintenance Manual - Page 118

3 Tests and Diagnostics 3.7 Keyboard Test 3.7 Keyboard Test To execute the Keyboard Test, select 3-KEYBOARD TEST from the DIAGNOSTIC TEST MENU, press Enter and follow the directions on the screen. The Keyboard test contains six subtests that test the computer's keyboard actions. Move the highlight bar to the subtest you want to execute and press Enter. Subtest 01 Pressed Key Display When you execute this subtest, the keyboard layout is drawn on the display as shown below. When any key is pressed, the corresponding key on the screen changes to the key character that was pressed. Holding a key down enables the auto-repeat function which causes the key's display character to blink. > To exit this test, press Del+Enter. Subtest 02 Pressed Key Code Display When a key is pressed, the scan code, character code, and key top name are displayed on the screen in the format shown below. The Ins Lock, Caps Lock, Num Lock, Scroll Lock, Alt, Ctrl, Left Shift, and Right Shift keys are displayed in reverse screen mode when pressed. The scan codes, character codes, and key top names are shown in Appendix D. KEYBOARD TEST IN PROGRESS XXXXXXX Scan code = Character code = Keytop = Ins Lock Caps Lock Num Lock Scroll Lock Alt Ctrl Left Shift Right Shift 3-18 Portege M200 Maintenance Manual (960-457)