Solvline Eddy Serial Ver 2.1.0.3 - Manual (Page 49)

Chapter7. Appendix
49
Menu Default Descriptions
Device
Select
LCD
Set the purpose of the I2C 16 Bit I/O channel.
LCD: Set the G-LCD mode.
If you set to the LCD, you cannot use it for the DIO port.
DIO: Set the DIO 16 channel mode.
You can set input or out 16 channel as like the GPIO.
If you set to the DIO, you cannot use it for the G-LCD.