Can I change my recovery point option from "independent" to "recovery set" for incremental back up

I received and installed Ghost 15 with my Samsung SSD purchase. (Win7 64bit)

 

I want to back my two drives to another internal drive ("F:\" 1.5TB) and it seems I can only create a full backup.

Because I want to backup the "C:\" drive (roughly 130GB) and on the "D:\" drive (more than 600GB ) the full backup takes a long time and I would prefer a full back only once a week.

 

How can this be done?

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TIA