Abstract: A digital control strip, applicable to an imageable medium such as a printing plate, includes (A) a plurality of control fields each having a dot size different from that of another control field, wherein each of the control fields includes a plurality of subfields each having a coverage different from that of another subfield of the control field; or (B) a plurality of control fields each having a coverage different from that of another control field, wherein each of the control fields includes a plurality of subfields each having a dot size different from that of another subfield of the control field; or (C) a control field including a first, a second and a third subfield, wherein a coverage of the second subfield is different from a coverage of the first subfield and wherein a dot size of the third subfield is different from a dot size of the first subfield.