ReplaceChars=T,n (where n = 0 , 1, or 2):
n=0 means: all characters will be replaced to a "?" , besides the characters between 0x20 to 0x7E and the characters TAB, CR, LF
n=1 means: all characters will be replaced to a "?" , besides the characters between 0x20 to 0x7E and the TAB character
n=2 means: all characters will be replaced to a "?" , besides the characters between 0x20 to 0x7E
Example: replaceChars=T,2;
2. You can change the replace character used by denoting R,xx in Replacechars (xx is the code for the replace char), example: replaceChars=T,2,R,0x40; will use @ as replace character.
3. When using T,n in the Replacechars functionality , any other replacechars characters in the string will be ignored (e.g. Replacechars=T,2,0x42,0x43 will ignore the switch from 0x42 to 0x43)
Note that when T,n is used , there is actually no need to replace any characters further (1A character is already replaced automatically without you need to do anything)