推荐回答(3个)
一、按住机顶盒遥控器上的【信息】键,如图所示。
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二、出现如图所示的电视屏幕时,按【确认】键,如图所示。
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三、进入【菜单】,选择【节目】设置,如图所示。
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四、然后进入【自动搜索】界面,只有在执行上述第一步后才能看到。当您关闭并打开机顶盒时,您将不会再看到它,如图所示。
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五、进入自动搜索界面后,按【确定】键,如图所示。
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六、 以下是搜索过程,在自动搜索结束后,将添加的电台添加到程序列表的后面,如图所示。
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扩展资料:
卫星电视接收系统由抛物面天线、馈源、高频头和卫星接收机组成。
一、抛物面天线是用来聚焦卫星信号在天空中的能量反射。
二、馈源是一个喇叭,用于在抛物面天线的焦点处收集卫星信号。它被称为饲料源,意思是饲料能量的来源。它需要收集所有聚集在焦点上的能量。前向卫星接收天线基本上是大角度波纹馈源。
三、高频头(LNB)是为了降低频率,放大从馈源到卫星接收机的信号,噪音越低越好。
四、卫星接收机对高频头发射的卫星信号进行解调,解调卫星电视图像信号和伴音信号。
1、长按机顶盒遥控器‘信息’键。
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2、电视机出现如图界面时按下‘确定’键。
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3、进入‘菜单’后选择进入‘节目设置’。
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4、接着进入‘自动搜索’,这一项只有执行了上面第一步才可以看到,关机再开机顶盒又会看不到了。
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5、进入自动搜索界面后,按下‘确定’键。
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6、下面是搜索过程,结束后自动退出,增加的台排到了节目单的后面。
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扩展资料:
卫星电视接收系统是由:抛物面天线、馈源、高频头、卫星接收机组成一套完整的卫星接收站。
1、抛物面天线是把星空的卫星信号能量反射会聚成一一个焦点。
2、馈源是在抛物面天线的焦点处设置一个聚卫星信号的喇叭,称为馈源,意思是馈送能量的源,要求将会聚到焦点的能量全部收集起来。前馈式卫星接收天线基本上用大张角波纹馈源。
3、高频头(LNB亦称降频器)是将馈源送来的卫星信号进行降频和信号放大然后传送至卫星接收机。高频头的噪声度数越低越好。
4、卫星接收机是将高频头输送来的卫星信号进行解调,解调出卫星电视图像信号和伴音信号。
首先按遥控器菜单键,电视机屏幕弹出主菜单,在按遥控器的节目键下键至系统设置,按确认键,弹出对话框要求输入密码,输入密码9999后,在按确认键,弹出子菜单,按遥控器的节目键下键至恢复出厂设置,按确认键接收机就恢复出厂设置了,然后才将光标移到子菜单的自动搜索,按确认键就能自动搜索出来节目了,节目搜索出来之后,有一些节目与节目菜单不同步,需要手动修改才能同步。
下面介绍一下手动修改的步骤,按遥控器的节目列表,电视机屏幕弹出节目列表,然后将光标移到需要修改的节目上,在按遥控器的黄键电视屏幕弹出子菜单,编辑PID,然后将找到的视频PID和音频PID 分别进行修改后,在按确认键节目就同步了,按绿键可以切换卫星切换卫星,按红键删除多余的节目,确认键保存数据OK。
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