一、無線ktv麥克風如何調頻
調頻
1、無(wu)(wu)線(xian)話(hua)筒(tong)調(diao)頻(pin)可(ke)分為兩種(zhong)(zhong)方式,一種(zhong)(zhong)是調(diao)節無(wu)(wu)線(xian)KTV話(hua)筒(tong)的(de)(de)頻(pin)率,另外(wai)一種(zhong)(zhong)是調(diao)節無(wu)(wu)線(xian)KTV話(hua)筒(tong)接收主(zhu)機的(de)(de)頻(pin)率。無(wu)(wu)論(lun)使用(yong)哪種(zhong)(zhong)方式,只(zhi)要無(wu)(wu)線(xian)KTV話(hua)筒(tong)的(de)(de)頻(pin)率和接收主(zhu)機的(de)(de)頻(pin)率一致,就可(ke)實(shi)現無(wu)(wu)線(xian)話(hua)筒(tong)正常工作。相對來(lai)說,調(diao)節無(wu)(wu)線(xian)話(hua)筒(tong)接收主(zhu)機頻(pin)率的(de)(de)方式比較簡單。
2、打開(kai)無(wu)線KTV話筒(tong)和(he)(he)接收主(zhu)機(ji)的(de)(de)電源開(kai)關,無(wu)線KTV話筒(tong)與(yu)接收主(zhu)機(ji)的(de)(de)顯(xian)(xian)示(shi)屏分(fen)別顯(xian)(xian)示(shi)當(dang)前(qian)各自的(de)(de)信道和(he)(he)頻(pin)(pin)率。正常(chang)情(qing)況下(xia),有些無(wu)線KTV話筒(tong)和(he)(he)接收主(zhu)機(ji)的(de)(de)電源開(kai)關打開(kai)后(hou),無(wu)線KTV話筒(tong)接收主(zhu)機(ji)通過紅外掃描自動對頻(pin)(pin)的(de)(de)功能,自動與(yu)無(wu)線KTV話筒(tong)當(dang)前(qian)的(de)(de)頻(pin)(pin)率和(he)(he)信道匹配(pei),通過兩者的(de)(de)液晶顯(xian)(xian)示(shi)屏可(ke)看出(chu)是否已匹配(pei)。
如果(guo)無線(xian)KTV話筒(tong)(tong)(tong)與無線(xian)KTV話筒(tong)(tong)(tong)接收(shou)(shou)主機(ji)已自(zi)(zi)動對頻(pin)(pin)(pin),就不需要(yao)我們手動來(lai)調(diao)頻(pin)(pin)(pin)了。若無線(xian)KTV話筒(tong)(tong)(tong)與無線(xian)話筒(tong)(tong)(tong)接收(shou)(shou)主機(ji)沒有自(zi)(zi)動對頻(pin)(pin)(pin),就需要(yao)我們通過手動調(diao)節(jie)無線(xian)話筒(tong)(tong)(tong)或無話筒(tong)(tong)(tong)接收(shou)(shou)主機(ji)來(lai)實現二者(zhe)的(de)對頻(pin)(pin)(pin)。無線(xian)KTV話筒(tong)(tong)(tong)顯示屏顯示出來(lai)的(de)頻(pin)(pin)(pin)率(lv)是多(duo)少,我們就把(ba)無線(xian)KTV話筒(tong)(tong)(tong)接收(shou)(shou)主機(ji)面板上的(de)頻(pin)(pin)(pin)率(lv)調(diao)節(jie)按鈕(niu)把(ba)其頻(pin)(pin)(pin)率(lv)調(diao)到多(duo)少,二者(zhe)頻(pin)(pin)(pin)率(lv)一致后(hou),無線(xian)KTV話筒(tong)(tong)(tong)接收(shou)(shou)主機(ji)就可以接收(shou)(shou)無線(xian)話筒(tong)(tong)(tong)傳送過來(lai)的(de)聲音(yin)信(xin)號(hao)了。
注意事項
1、無(wu)(wu)線KTV話筒(tong)的調(diao)頻(pin)是針(zhen)對無(wu)(wu)線KTV話筒(tong)的接(jie)收主(zhu)機來說的,在沒有(you)接(jie)收主(zhu)機頻(pin)率的情(qing)況下,僅(jin)僅(jin)只對無(wu)(wu)線KTV話筒(tong)調(diao)頻(pin),是毫無(wu)(wu)意義的;
2、如果覺(jue)得(de)調無(wu)線KTV話(hua)筒接收主機不方便,也(ye)可以能(neng)過(guo)調節無(wu)線KTV話(hua)筒的(de)頻(pin)率的(de)方式,實現二者(zhe)的(de)對頻(pin)。
二、無線ktv麥克風的種類
無線話筒(tong)按其使用(yong)的制式(shi)的類型分為三種,分別(bie)是FM無(wu)線話筒、VHF無(wu)線話筒和UHF無(wu)線話筒。
FM 無線(xian)話(hua)筒(tong)(tong),早期消費(fei)性無線(xian)話(hua)筒(tong)(tong)是利(li)用FM收(shou)音機(ji)來接收(shou),系統簡單,成本低廉,但因使用效果,不(bu)能滿足(zu)專業品質的要求。
VHF無線(xian)話筒,又(you)分為低(di)頻(pin)及高頻(pin)段兩類型,使用(yong)天線(xian)長度太長,又(you)最容(rong)易(yi)受到各種(zhong)電(dian)器雜波的干擾,因此這一類型的產品(pin),已(yi)經被高頻(pin)段所取(qu)代而逐漸從市場上消失 。
UHF無線(xian)話筒(tong),使用頻率為300-3000M的無線(xian)話筒(tong),是21世紀話筒(tong)應用的主流(liu),因為避免了(le)V段的對講(jiang)機等(deng)的干擾(rao),所以穩(wen)定性有(you)很大提(ti)高。