Introduction 1.1 Notational conventions The following notational conventions are used in this manual: 24 Upgrade and Maintenance Manual RX2530 M4 Text in bold Indicates references to names of interface elements. Text in monospace Indicates commands and text to be entered by the user. "Quotation marks" Indicate names of chapters and terms that are being emphasized. Ê Describes activities that must be performed in the order shown. [Abc] Indicates keys on the keyboard. V CAUTION! Pay particular attention to texts marked with this symbol! Failure to observe this warning may endanger your life, destroy the system or lead to the loss of data. I Indicates additional information, notes and tips.
Indicates the procedure category in terms of complexity and qualification requirements, see section "Classification of procedures" on page 27. Indicates the average task duration, see section "Average task duration" on page 30.