1) Place the EXTFSK.DLL and RE2EXTFSK.ini files into your MMTTY folder.

2) Edit the RE2EXTFSK.ini file:

[PTT port]
Number=6           <--- put your PTT port number here
[FSK port]
Number=8           <--- put your FSK port number here

3) Run MMTTY and open the "Options" - "Setup MMTTY" menu.

4) Choose the "TX" tab, select "EXTFSK" in the "PTT&FSK" drop-down menu.

5) Choose the "Misc" tab and select "Sound+COM-TxD(FSK)" in the "Tx Port" area.

6) Press OK.


