Parity (Rs-232) - Symbol LS 9100 Product Reference Manual

Parameters

Parity (RS-232)

A parity check bit is the most significant bit of each ASCII coded
character. Select the parity type according to host device
requirements.
If you select ODD parity, the parity bit has a value 0 or 1, based
on data, to ensure than an odd number of 1 bits are contained
in the coded character.
ODD
5-19