How do I save a library to an old 6.0 version?

[ALSPI]

The RS232 Serial Port is being used to get the QR Code with a scanner, and CPID value. My pop up opens "Read Serail Number" the scanner is not sending the data the vi just sits there waiting. I can open the 6.1 open the same vi and it works. What is happening here?

[Dennis_Knutson]

If you mean something like a bar code scanner and you're using a string control, then maybe all you need to do is set the LabVIEW front panel options to "End text entry with Return Key". In my programs that read a bar code, the VI loops until a valid string is seen and entering a return enters the scanned bar code. My scanners are set to append a carriage return.

[ALSPI]

Look, this vi was created in 6.0.2 we upgraded to 6.1 changes were made to the vi NONE to the problems with the scanner. It works in 6.1 but when saved in pervious 6.0 for the customer it does not work............ Look at the warnings file that is attached you will see the vi's that can not be saved in pervious versions.

[Dennis_Knutson]

I did look at the warnings. Those are expected and normal messages when attempting to save 6.1 vi.llb files to a previous version - you are supposed to use the 6.0 versions of vi.llb. My suggestion has nothing to do with a VI. It has to do with the LabVIEW settings itself and is something I see all the time. Something else could have gotten lost in the translation. You haven't attached the VI in question and in any case I don't have your hardware. I think that the only way to debug your problem is by running 6.0. The other thing would be to upgrade the customer to 6.0.2 since 6.0 was pretty buggy in itself.

[ALSPI]

The customer does have 6.0.2. I can't seem to get around this problem so I will go back to 6.0.2 and make my changes to the vi. When the customer upgrades to 6.1 then I will be able to use my upgrade until then looks like this is the only solution. Thanks aways!