ETSI ES 201 381

ETSI ES 201 381
ETSI ES 201 381 English PDF Human Factors (HF); Telecommunications keypads and keyboards; Tactile identifiers

standard published 12/01/1998 by European Telecommunications Standards Institute

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This standard specifies the form, dimension, location of raised tactile identifiers in the form of small, raised dots on telecommunications keyboards and keypads. Raised tactile identifiers help blind and visually impaired people identify the various keys of telephone keyboards and keypads. The identifiers should comply with existing standards for tactile identifiers in order to harmonize telecommunications terminals with other equipment.

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