Hauv kev txais xov tooj cua TV ib txwm siv, qee lub thawv teeb thiab lwm yam khoom siv los hloov cov channel. Tab sis nrog kev tshwm sim ntawm digital TV, vim hais tias cov khoom siv ntawm lub teeb saum toj kawg nkaus yog tsom rau lub TV, yog li yog tias koj xav nruab ntau lub TV digital hauv pej xeem ib puag ncig, koj xav tau cov khoom siv hluav taws xob tshiab - modulator.
Nta ntawm digital TV PBI modulator:
1. Nws tuaj yeem txuas nrog satellite receivers, DVD thiab lwm yam kev pab cuam, thiab nws yooj yim rau kev ua si cov kev pab cuam.
2. Txuag ntau ntawm kev nqis peev hauv cov thawv ntim khoom thiab txuag cov nqi xauj tsev txhua hli ntawm cov thawv ntim khoom rau ntau xyoo.
3. Tsis tas yuav rewire thiab hloov cov kab qub, ua kom tiav cov kev pom yav dhau los, thiab tsis tas yuav ntxiv cov chaw taws teeb tswj.
4. Ib qho yooj yim thiab ceev installation, cov khoom lag luam siab, kev debugging yooj yim, tsis muaj lwm yam khoom siv thiab cov cuab yeej tshaj lij yuav tsum muaj rau kev teeb tsa.
