Specification for helical-scan video tape cassette system using 12.65 mm (0.5 in) magnetic tape on type Beta format
使用12.65毫米(0.5英寸)Beta格式磁带的螺旋扫描盒式磁带系统规范
Defines the basic Beta format video cassette system and the electrical and mechanical characteristics of the related equipment necessary to provide for the interchangeability of recorded cassettes. The requirements given relate to both the 525 line -60 field and 625 line -50 field systems.Cross References:BS 6288:Part 1