Pro-197 Upload from ARC500

[Hgoetz73]

When I use the ARC500 software to load a trunk system from radio reference into a scan list, all the other scan lists that I have entered are wiped out.

 

[sallen07]

When I use the ARC500 software to load a trunk system from radio reference into a scan list, all the other scan lists that I have entered are wiped out.

Yes. That's the nature of those scanners. The only way to program them from a computer is to re-write the entire memory.

What you need to do (once you have it re-programmed) is READ from the scanner first, then add this new system, then WRITE back to the scanner.