The standard describes the measuring methods which may apply specifically to characteristics of television tape machines or to record tapes in order to define accurately their specifications.
DIN IEC 60698:1989 history
1989DIN IEC 60698:1989-02 Measuring methods for television tape machines; identical with IEC 60698:1981
1989DIN IEC 60698:1989 Measuring methods for television tape machines; identical with IEC 60698:1981