Qiniseka ukuthi ithuluzi lisebenza kahle
Hlola izinga lokugeleza ukuze uthole inkomba.Uma inani elibonisiwe liliphozithivu, isiqondiso sokugeleza sizosuka ku-transducer UP siye ku-Down transducer;uma inani elibonisiwe linegethivu, isiqondiso sizosuka ku-Down transducer siye kuma-transducer e-UP;
Hlola izinga lokugeleza, uma inani lokubonisa lingu-“+”, ingabe lilungile.Uma inani lokubonisa lithi “-” , linegethivu.
Isikhathi sokuthumela: Oct-14-2022