AST RESEARCH, INC. TECHNICAL BULLETIN TB-0328 10-25-87 3270/FTS-C/PROBLEMS WITH TSO The AST-3270/FTS-C program may display the error message, "Not at TSO Ready Prompt" when connected to a remote 3274 Control Unit, configured in the SDLC mode. The problem may be resolved by entering the following command at the TSO command level before executing the file transfer software: TERMINAL NOBREAK The above command forces the mainframe to refrain from displaying any host-generated messages while file transfer takes place.