Some hints to convert textfiles for NOTEVIEW.G3A
The HexDump.ini, which is included, is an example to convert German special characters.

Edit HexDump.ini to customize.

edit Section [GENERAL]
set MODE=REPLACE
set REPLACE_OUTPUTFILENAME
(<inputfilenamewithoutextension> and <inputfilename> optionally could be used as placeholder)

edit Section [REPLACELIST]
either use sequences of HEX-strings like 
F6=E617
the hexvalue 0xF6 will be replaced by the sequence 0xE6x17 throughout the file.
The Hexstrings must have an even length!

or use strings like
'ö=E617
Strings are recognized by a preceding single apostrophe (').
Do not enclose the strings in two apostrophes!

Call:

HexDump filetoconvert.txt /O:HexDump.ini

The fxCG-character-codes which are necessary 
to replace special country-specific characters 
can be found using INSIGHT.G3A
Switch to INSIGHT's 4. submenu (F6:next) and select OpCodes.
Use Page+ until the E5- or E6-charater-set is displayed 
and search for your character-codes.
Edit HexDump.ini accordingly.