Description of Self Test Items C-11
Test content
Test whether the control panel keys, encoders, TGCs, trackball, backlight LEDs and indicating
LEDs on the keyboard work well, and read board ID, keyboard FPGA version and program
version.
Test description
The keyboard test 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 corresponding
button on real keyboard. The button is being tested if it continues blinking. The test of the button is
finished if its color changes.
As for the trackball, the cursor moves as rolling 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 exact direction, the
corresponding dark 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.
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