Single/Dual channel extinction ratio tester akhoza kuyesa paokha chiŵerengero cha kutha kwa polarization, kuyesa mphamvu ya kuwala, zeroing ya digito, kuwerengetsa kwa digito, kusankha kwapamanja kapena kodziwikiratu, kokhala ndi mawonekedwe a USB (RS232), mapulogalamu apamwamba apakompyuta amatha kuyesa, kujambula ndi kusanthula deta, ndipo akhoza kupanga mosavuta makina oyesera okha. Amagwiritsidwa ntchito kwambiri pazida zoyankhulirana zowoneka bwino, CHIKWANGWANI cha kuwala, zida zowoneka bwino komanso kuyesa zida zowoneka bwino, mitundu yosiyanasiyana yamagetsi, kulondola kwa mayeso apamwamba, kutsika mtengo, kudalirika kwabwino.