Reply to little black buttons on vci-100

ok so i have bought the VCI-100(guessing FW1.2 cuz ive not upgraded) and the 4 little black buttons dont seem to do anything...i fiddled around with them for some time and now im getting furious cuz i want them to DO SOMETHING!!! but anyways if anything i want them to to be CUP points thatd be awesome...i mean i do have a midi fighter on the way but its just annoying now and ive searched the web to see what they do and they say it does something with the tracks...anyways my rambling has a point...1. what do they do and 2. can i map them as cue points and finally 3. ummm im too agitated to remember...any help would be appreciated