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3.7.6
Brightness Control
A GUI application is provided for brightness control. This enables users to adjust the
brightness of the screen.
3.7.7
Serial Tools
The system is equipped with five serial ports, ttyO1, ttyO2, ttyO3, ttyO4, and ttyO5.
A serial test tool is provided for validating the serial ports.
Figure 3.5 Brightness Control
Figure 3.6 Serial Control
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RSB-4220 User Manual
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