Clearly legible

ISO 20417 gives guidance on this definition in Clause A.2. In practice, labels and markings that must be clearly legible are checked under the conditions in which they will actually be read.

capable of being read by a person with normal vision Note 1 to entry: There is guidance or rationale for this definition contained in Clause A.2. [SOURCE: IEC 60601-1:2005+AMD1: 2012[2], 3.15, modified — Note 1 to entry added.]

ISO 20417:2021, clause 3.4