The "Configure" button reveals advanced possibilities to regulate the frequency and speed and swap between telegraph and radio audio types. The flashing light-weight and "Help save Audio" buttons never presently do the job when in "Telegraph" manner. NotesN?u mu?n cá c??c tr?c tuy?n t?i Site thì b?n c?n ph?i có tài kho?n. B?n c?n ph?i ti?n hàn