| 摘要 |
An optical code reader comprises a casing (1) consisting of at least two portions (2, 3) connected together, a first portion (2) defining the main reader body and the second portion (3) defining a closure element for that part (5) of the body supporting at least the reader optical members; at least a part (10) of the said casing (1) has a coloration which depends on at least one control signal, this coloration being chosen on the basis of the type of use for which the reader is provided.
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