RS-232
If you select Even parity, the parity bit has a value 0 or 1, based on data, to ensure
that an even number of 1 bits is contained in the coded character.
EVEN
Select MARK parity and the parity bit is always 1.
MARK
Select SPACE parity and the parity bit is always 0.
SPACE
If no parity is required, select NONE.
NONE
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