FSK RTTY

Arthur Petteway
 

Using IC-7300, DXLab and windows 10.

I am having a problem sending RTTY. When I click on start in Winwarbler I get a solid tone.
I also have a stand alone version of MMTTY which works perfectly. 
I am at a loss on how to correct this problem so any fixes I can try will be appreciated.

73,
Art WB4MNK

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