System information

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Overview
CN1
USB connector.
CN2
GND connector.
BTN1
Main power button.
BTN2
RESET button
BTN3
Start button.
BTN4
Function button.
LED1
Software On Power LED.
LED2
Good, Fail, Busy, PWR LED
LED3
Function indicator LED
LED4
Message ID LED indicator.
SW1
Function Switch
U1
SPI Flash IC
J301
UP connect connector
J302
Down connect connector