Chivharo chakavharwa zvizere chinodzivirira ruzha uye mota isinganyanyi ruzha zvinoderedza ruzha rwekushanda kusvika paavharejimadecibel makumi manomwe, kubvisa zvichemo panguva yekuvaka husiku, kushanda pedyo nezvipatara, nenzvimbo dzekugara.
Kurongeka kwakajairika kunosanganisiradhiraivha yefrequency inoshanduka-shanduka yemagineti inogara iripokana dhiraivha inochinja-chinja frequency. Dhiraivha iyi inogadzirisa otomatiki kumhanya zvichienderana nekushandiswa kwegasi, zvichikonzerakurasikirwa nemutoro kuri pedyo ne zero, kuchengetedza simba uye kuona kuti kumanikidzwa kwegasi kwakasimba.