数字电视如何重新收索

1首先打开机顶盒

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然后在打开数字电视

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然后在使用遥控器

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点击菜单，在使用遥控器进入设置系统

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然后点击系统信息

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然后点击搜索电视界面自动

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搜索完毕后，点击遥控器上过的“退出”按键，这样就搜索完节目啦

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数字电视是一个从节目采集、节目制作、节目传输直到用户端都以数字方式处理信号的端到端的系统，基于DVB技术标准的广播式和“交互式”数字电视．采用先进用户管理技术能将节目内容的质量和数量做得尽善尽美并为用户带来更多的节目选择和更好的节目质量效果，数字电视系统可以传送多种业务，如高清晰度电视（简写为“HDTV”或“高清”）、标准清晰度电视（简写为“SDTV”或“标清”）、互动电视、BSV液晶拼接及数据业务等等。与模拟电视相比，数字电视具有图像质量高、节目容量大(是模拟电视传输通道节目容量的10倍以上)和伴音效果好的特点。