Toshiba A20-S259 - Satellite - Pentium 4 2.66 GHz Maintenance Manual page 128

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
Ins Lock
Alt
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.
3-16
IN PROGRESS
Scan code
Character code
Keytop
Caps Lock
Ctrl
302000
=
=
=
Num Lock Scroll Lock
Left Shift Right Shift
Satellite A20 Maintenance Manual (960-444)
3.6 Keyboard Test