C-14 Description of Self Test Items
Keyboard backlight test: when the simulation keyboard starts the initialization, all dual-color lights
highlight in green on the keyboard. The dual-color backlight automatically becomes orange when
a key is tested after being pressed.
If the various controls on the keyboard work well, click [Key is OK]; otherwise, click [Key is Bad].
◼ Suggestion to failure test
Replace the trackball if the trackball does not respond.
Replace TGC board if TGC slider does not respond.
Replace the keyboard if the key does not respond.
C.1.32 Z0903 Control Panel Key LED Test
◼ Top test item
USB communication test of control panel
◼ Test content
The system automatically adjusts the color of LED (white and orange) and the brightness of
trackball. The user can identify the changes.
◼ Test description
The following dialog box appears when performing test. The system changes the brightness of
LED (white and orange) and trackball respectively and check whether the brightness of LED on
the keyboard change accordingly. If LED brightness of the keyboard keeps identical as configured,
click “LED is OK” to exit the dialog box. If not, click “LED is Bad” to exit the dialog box.
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