A.110~200HZ B.130~200HZ C.140~200HZ D.150~200HZ
A.0.5~1;110~200 B.1~2;200~350 C.2~4;350~450 D.3~6;50~350
A.50~350HZ B.100~450HZ C.200~550HZ D.30~650HZ