a31 4 1000 60000
a31.dat 16 2/uV 12 0 -4 14964 0 AECG1
a31.dat 16 2/uV 12 0 70 -17606 0 AECG2
a31.dat 16 2/uV 12 0 -56 -15080 0 AECG3
a31.dat 16 2/uV 12 0 75 6073 0 AECG4