本标准规定了基本系统参数；i、 例如，用于525/60单色或NTSC彩色系统的1英寸B型螺旋扫描电视磁带录像机的记录头间隙位置、扫描配置、视频头轮的旋转轴以及适当的磁带张力。

This standard specifies the basic system parameters; i.e., the positions of recording head gaps, the scanning configuration, the axis of rotation of the video head wheel, and the appropriate tape tension for 1-in type B helical-scan television tape recorders for 525/60 monochrome or NTSC color systems.