A UGC-136 manual might be helpful:
https://ia801506.us.archive.org/9/items/nrf_ugc136ax-EE161-HA-OMI-010/ugc136ax-EE161-HA-OMI-010_text.pdf
Now after a few hours of study we'll be all set to go if they come with
ribbon cartridges and AC line cords!
73, John W1AN