Results: Your benefits

It's about optimizing content, structure, illustrations, language
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Fewer support calls
People are impatient: The user must be able to find what he/she needs IMMEDIATELY - otherwise your customer service will suffer.
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Short delivery time
Aim: Delivery time < 2 × Working time
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Standards:

a.  IEC/IEEE 82079-1:2019: Preparation of information for use (instructions for use) of products
Part 1: Principles and general requirements

b. DS/EN ISO 20607:2019: Safety of machinery – Instruction handbook