Description of Self-test Test Items C-13
C.1.31 Z0602 Keyboard Key, Encoder, TGC, Trackball
Test
Top test items
Keyboard USB Interconnection Test
Test content
It mainly tests whether the buttons, encoders, TGCs, trackball, backlight LEDs and
indicating LEDs in the keyboard are normal, and reads board ID, keyboard FPGA and
version of program as well.
Test description
The keyboard testing interface is shown as follows:
As shown in the figure above, click [Start] to perform the keyboard test. The controls
on the simulation keyboard correspond with those on the real keyboard assembly.
As for the button, the button on the simulation keyboard blinks while pressing the
button on real keyboard. If the button continues blinking, it is being tested. If the color
of the button changes, it finishes the test.
As for the trackball, the cursor moves as roll the trackball on the keyboard. Meanwhile,
the icon
on the simulation keyboard blinks, which indicates that the system
receives data from the trackball and the trackball has been tested already.
The encoder rotation test: the icon
on the simulation keyboard corresponds
to the encoder on the real keyboard. When the user rotates the encoder towards one
direction, the corresponding green ball around the encoder on the simulation
keyboard will rotate to the same direction. The encoder panel turns to white when
pressing the encoder.
Encoder button test: encoder panel turns to white when pressing the encoder.
All orange controls indicate that all buttons have the corresponding orange indicators.
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