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3.6 Keyboard Test 3 Tests and Diagnostics
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, 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 302000
Scan code =
Character code =
Keytop =
Ins Lock Caps Lock Num Lock Scroll Lock
Alt Ctrl Left Shift Right Shift
PRESS [Enter] KEY
Subtest 04 Touch Pad
This Subtest checks the functions of the touch pad as shown below.
A) Touch Pad pressure sensing direction and parameter.
B) Touch Pad switch function check.
This test reports the pointing stick motion response from the touch pad and
touch pad switch. When the touch pad is pressed towards the upper left, the
<POINTING> display changes according to the following illustration. If a
touch pad switch is pressed, the <BUTTON> (1) or (2) highlights. The
parameters appear on the upper right of the display. To exit this subtest, press
the two touch pad switches.
Satellite A20 Maintenance Manual (960-444) 3-15