NF DP060LM Instruction Manual page 110

4. Advanced Operation
  Save a sequence to USB memory
For how to connect USB memory to this product, and how to disconnect from this product, see 4.9.
1. In Sequence Edit View, select [File] soft-key  [1: Store]. Sequence Store View is opened.
2. In the [To] item, select [2: USB].
92 PROGRAMMABLE AC POWER SOURCE