[x9blade]

go to the grid and nudge value display ,kind of towards the top left center of the edit window. hit the nudge drop down and select samples>type the amount in that field. the amount you discovered on your drum track.important ,hit enter after you entered the latency amount. now select your drum region and press the minus key on your num pad and you should see your region slide back the correct amount. that is if your zoomed in enough. good luck