i have upload a program from NT31c-V2 version 3.1 and i want to transfer it to another PT Nt31c-V1 version 2.11. when i tried to transfer the from it gives error " system program version in PT and the application version set in PT does not match.but in pt configuration it gives option for only V2. Please help me to transfer the program to Nt31c-v1.