The Phocos CIS-CU (CIS Control Unit) Configures CIS charge controllers via infra-red data link. This remote is required to make changes to factory settings on all CIS sereis controllers. This control unit is remarkably easy to use, simply
set all switches to desired settings ---> Press "Send" button ---> Then Wait
for response.... and done.
See ./pdf link below for the CIS CU user manual and additional details.