在录像机的背面设有三对输入与输出插孔:1.射频输入与输出插孔;2.音频输入与输出插孔;3.视频输入与输出插孔。人们利用射频插孔与电视机连接观看录像片,有时还将两台录像机的音频与视频插孔对接,作为翻录制作节目之用。除此之外,人们还想不到这些插孔还有什么用途。随着家庭文化节目的增多,录像机这些插孔的功能还可以进一步开发,并且可以弥补部分老式彩色电视机的功能不足。一、频道的扩展早期生产的彩色电视机一般只能选择8到12个频道。随着有线电视的普及,一个城市具有十几个频道以上的节目是越来越多了。节目频道增加了,而电视机的接收频道有限怎么办?读者可按下面介绍的方法一试,再也不用受频 There are three pairs of input and output jacks on the rear of the VCR: 1. RF IN and OUT jacks; 2. AUDIO IN and OUT jacks; 3. VIDEO IN and OUT jacks. People use the radio jack to connect with the TV to watch the video, sometimes connecting the audio from the two video recorders to the video jack as a source for ripping productions. In addition, people still can not think of the use of these jacks. With the increase of family cultural programs, the functions of these jacks of video recorders can be further developed and can make up for the lack of functionality of some old-fashioned color television sets. First, the expansion of channels Early production of color television sets generally can only choose from 8 to 12 channels. With the popularity of cable television, a city with more than a dozen channels is more and more programs. Program channel has increased, and the television receiver channel is limited how to do? The reader can try the method described below, no longer subject to frequency