Th NCD pulser cut is coded as a SNOMAN hard-wired cut "flt_ncd_pulser_cut.for". Any event on string 40 (or the first parameter in FLTH) will fail this cut.
*DO FLTH 37 -i(30I -I) #. FLTH: NCD pulser Cut #. 19750101 0 20380517 03331900 6*0 #. Standard Database Header 19750101 0 20380517 03331900 16*0 #. 40 #. string number for pulser