User`s manual

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bit6-7:Not used
VAL_H: ASCII code of bit4-7of data
VAL_L: ASCII code of bit0-3 of data
Example) If Bit0 and 1 =1 and the other bits =0, (00000011)
VAL_H='0'(0x30) VAL_L='3'(0x33)
ETX (03h): End of Message
Check code
BCC: Block Check Code
Refer to the section 4.5 “Check code” for a BCC calculation.
Delimiter
CR (0Dh): End of packet