Fix a bug in USE_UL version.

pulse trigger rate 1.001 Hz
exp 0 run 234 sub 0 started
exprun 0000ea00 eve 0
Event number 1
exprun 0000ea00 eve 1
exprun 0000ea00 eve 2
exprun 0000ea00 eve 3
exprun 0000ea00 eve 4
exprun 0000ea00 eve 5
exprun 0000ea00 eve 6
exprun 0000ea00 eve 7
exprun 0000ea00 eve 8
exprun 0000ea00 eve 9
Error in CRC comparison calc 0000e1c4 : data 1a160060
Error in CRC comparison calc 0000e1c4 : data 1a160060