Replacing a character in an RTF template

Hello,

I want to replace the È with a E in our RTF payment remittance file.   Document ID 1286774.1 addresses the problem and the fix.

<TEMPLATE TYPE> FIXED_POSITION_BASED
<OUTPUT CHARACTER SET> iso-8859-1
<NEW RECORD CHARACTER> Carriage Return
<REPLACE CHARACTERS>
special character 1 you want to be replaced          replacement character 1
special character 2 you want to be replaced replacement character 2
<END REPLACE CHARACTERS>

I need more detail.  How is this put into the RTF? 

<REPLACE CHARACTERS>
<END REPLACE CHARACTERS>

Cheers,

Marcy