b4b253_0040 4 250 90000
b4b253_0040.dat 16 200.0(0)/mV 16 0 -1 65335 0 II
b4b253_0040.dat 16 200.0(0)/mV 16 0 8 61822 0 aVR
b4b253_0040.dat 16 200.0(0)/mV 16 0 49 1493 0 V
b4b253_0040.dat 16 4096.0(-2048)/NU 16 0 -907 5346 0 PLETH