Ask the supplier if they (or one of their users) has a VFP or VB program to run their hardware. That would use the correct codes, whether Ctrl-G / chr(7) or some more elaborate combination of keys.

HTH
Barbara

>i am developing a POS system, get those information from one supplier for kick out command is GS V , but we don't know how to implement this GV S into the system. any idea? ..
>previouly we have a DOS version POS system, only one code to kick out drawer , that is something like chr(27)+chr(13)+.... can't remember, but this code not working in the Windows version