Operation Manual / TPL69-A10 / -A30 ... TPL77-A10 / -A301 Preliminary remarks / 1.6 Symbols and definitions© Copyright 2018 . All rights reserved. HZTL2481_EN Revision C May 20181.6 Symbols and definitionsThe following symbols are used in the documents:w Prerequisiteu Work step¡ Enumeration, first level- Enumeration, second level→ Refers to a page numberDefinition of notesNOTICENoteA note provides suggestions which facilitate the work on the product.Definition of mandatory signsMandatory signs show the protective equipment to be worn for a task.The mandatory signs are described in chapter Safety and must be com-plied with.Definition of caution / warningThe caution and warning signs are described in the chapter Safety.ABB Turbo SystemsIn this document, ABB Turbo Systems Ltd is abbreviated to ABB TurboSystems.Official ABB Turbo Systems Service StationsIn this document, official service stations are referred to as ABB Tur-bocharging Service Stations. They are inspected and certified regularlyby ABB Turbo Systems. See also chapter Contact information →13.Page 11 / 136
