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Model 9110T NOx Analyzer Principles of Operation
Teledyne Analytical Instruments 363
13.8. FRONT PANEL TOUCHSCREEN/DISPLAY INTERFACE
Users can input data and receive information directly through the front panel touchscreen display. The
LCD display is controlled directly by the CPU board. The touchscreen is interfaced to the CPU by means
of a touchscreen controller that connects to the CPU via the internal USB bus and emulates a computer
mouse.
Figure 13-30: Front Panel and Display Interface Block Diagram