GLOBAL Title$ Double XENON pulse with variable interval between pulses. Triggers on each pulse GLOBAL V1name$ Xen1 cd.s/m2 V1Default$ 100 GLOBAL V2name$ Xen2 cd.s/m2 V2Default$ 1000 GLOBAL V3name$ Space ms V3Default$ 100 BLOCK 1 xenon$ &1 BLOCK 2 ms$ &3-1 color$ &B ;ms-1 because block takes 1ms to perform BLOCK 3 xenon$ &2 BLOCK 2 ms$ &3-1 color$ &B ;ms-1 because block takes 1ms to perform