| 摘要 |
Method for identification of a user (31, 32, 33) of rock drilling equipments (30), which rock drilling equipment includes functionality, whereof differen t parts are available for different user categories. Each user (31, 32, 33) is assigned at least one user category, and at identification of the user (31, 32, 33) the user identity or user category is transmitted to the rock drilli ng equipment (30) from a portable unit (34, 35, 36) via a wireless interface.</ SDOAB>
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