BS 7851 discusses the digital audio tape cassette system (DAT) with a focus on the DAT logo application rule.
BS 7851 defines the use of the DAT logo on DAT equipment and accessories. BS 7851 provides information on the specification, copyright, and application rule of the logo.
BS 7851 on the DAT logo application rule is useful for:
The DAT logo assures compatibility between DAT cassette systems for consumer use. The manufacturers involved with the production of DAT cassette recorders/players and related products shall positively promote the use of the DAT logo.
BS 7851 discusses bibliographical references, DAT logotypes, DAT logo application rules, copyright of DAT logo, supply of DAT logo information, and detailed specification of the DAT logo. This will help you to understand the information on specification, copyright, and application rule of the logo.IEC 61119-7:1995