DIN 15573-2-1993
播音室录音和放音的磁带输送装置.磁带输送装置、电影电视传送装置、放影机、视频接口或其它控制系统同步操作用双向方波信号
Studio magnetic film transport for sound recording and sound reproduction; biphase square wave signal for synchronous operation of magnetic film transport and telecines, projectors, video-interfaces or other control systems