[RTTY] fsk?

[beau]

Hi all I did some test whit my radio on a dummy load
here was the setup 2 pc running mmtty 165d with extfsk 1.05
interface rigblaster pro with fsk cable
2 reciver radioshack swl  with bfo
transmitter  kenwood ts570gs
the radio was set for fsk 2125 an 170
thee mmtty on both pc'was set to ham mode
in to reed the tex i had 2 set the mark on the revive pc to 1275  to 
decode  the signal from the kenwood thank for any advice on what i need 
to adjust on the radio or mmtty thamks for any help beau