aECG1=14544237745755767775879101112131415161722181902204322122222302244322522262702284322922303102322333435363738394041424344454647484922505102524325322545502564325758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410522106107021084321092211011102112113114115116117118119120121122123124125126127128129130131132133134135136137138139140141142143144145146147148149150151152153Change tuning (R)