The Functions of Control Panel CPU Canon iR

The functions of the control panel cpu is:
-Monitoring the key inputs.
It communicates the keypad and function key inputs to the CPU on the main controller PCB.

-Monitoring the Touch panel input.
It communicates the key input made on the touch panel to the CPU on the main controller PCB.

-Controlling the Buzzer sound.

-Controlling the control panel LED.

The colour LCD is driven by main controller and the control panel CPU PCB serves to relay the drive signals.

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