DAHAO BECS-285A Owner's Manual page 176

Appendix 5 Automatic Limits Function for Cloth Embroidery/ Cap Embroidery
D
Set the "Cap Embroidery Type J" as "0/0/0/0", then select "Cap Type J (0X0)" in "Frame
Selection". After the confirmation, the frame should be moved to the absolute origin.
Then measure the Distance E (from frame edge to the X guide stand edge).
E
Cap Frame: "X Center" X = D － E
Let us calculate the "Y Center" Y.
166 Owner's Manual of BECS- 285A Computerized Control System