aECG1=1200442133415067008119331011110012130000141111153333161111170000181901012031312101012202324003325101026313127028290131300031131032003334035236337238039400041224233432244004546000047222248333349222250000051520202533232540202550565700335820205932326006162023263006423206500666768Change tuning (R)