SRM 7.0: Delta material master data replication

Hi guru,

I want to transfer material master data from ECC in SRM. I parametrized the sistems according the master guide. To initial upload I have to use R3AS transaction. My question is: how does works the delta replication? For example:

1) for changes to existing master data

2) creation of new master data

the replication for both cases is automatically or I have to use the R3AS transaction.

Have you documentation about?

Thanks

Best regards

L.