aECG1=12002323444424342234430033300240003300251003332026020332027575222080203902070001000077000113377002122027700213337756614666775661579722321623221723222321819220003332022002033202215752220220203230207000240007700025337700226202770022733775662866677566297910979830898031234432220044332240234333530332236220022372202223822394200040204132002422043302434422244530323246230032472323444844444492350025032000251232022252220022253320225422554200056205732002582059302436022246130323262036334446444346544446634467686970717273Change tuning (R)