contacta STS-K020 Window Intercom System User Guide
Phunzirani momwe mungayikitsire ndikugwiritsa ntchito STS-K020 Window Intercom System yokhala ndi kalozera wa ogwiritsa ntchito a Contacta. Dongosolo la retrofitli ndilabwino kwa malo monga mabanki ndi ma positi ofesi, ndipo limaphatikizapo zowulutsira mawu kwa ovala zida zomvera. Zigawo za zidazi zimakhala ndi mabatani a maikolofoni oyesedwa bwino ndi ma speaker apamwamba, okhala ndi malangizo oyika ndi zida zovomerezeka zoperekedwa.