Fundamentals | Symbols and fonts used for marking text 1 1.10 Symbols and fonts used for marking text In these instructions the following symbols and fonts are used for marking text: Format Meaning ... ... Identifies an action and the result of this action Example: Tap OK The message is closed ... ... Identifies an item of a list Example: TTL interface EnDat interface ... Bold Identifies menus, displays and buttons Example: Tap Shut down The operating system shuts down. Turn the power switch off 16 HEIDENHAIN | PWT 100, PWT 101 | Operating Instructions | 07/2024