Yeah, those should be added to the checklists for sure. When you need to enter data into the DSKY, you always use one of V21,V22,V23,V24,V25.
V21: Enter data in R1
V22: Enter data in R2
V23: Enter data in R3
V24: Enter data in R1&R2
V25: Enter data in R1&R2&R3