Quote Originally Posted by Allan View Post
If you have 2 units with a interlink, both units need to have the same software version to work correctly.
Not exactly. The software just has to be compatable.

I am running the 798 on the front & 997 on the back. The software on the 798 is version 4.960. The version on the 997 is 4.950. Not the same but both work fine together with the Interlink.