MagTek DynaPro Mini Programmer's99875629 - Manual (Page 79)

Appendix A - Examples
DynaPro Mini| PIN Encryption Device | Programmer’s Reference (Commands)
Page 79
g) 01: PIN option (01=ISO3)
Sample Report 0x04
04 1E 00 44 01 01 USB format of command
01 04 1E 00 44 01 01 iOS format of command (Note MSB order)
10) The device sends the host Report 0x01 – Response ACK if the command is successful.
11) The device sends the host Report 0x24 – PIN Response Report if PIN entry is successful.
12) The device sends the host another Report 0x20 – Device State Report.