TS ISO 7296-2

TS ISO 7296-2 is the standard for graphical symbols used on operator controls and other displays for mobile cranes. Its purpose is to support clear, consistent visual communication on crane interfaces, where symbols must convey functions quickly and without relying on language-specific labels. In practice, this kind of symbol system helps operators recognise controls and indications more reliably across different crane layouts and interface designs.

The document applies to mobile cranes as defined in ISO 4306-2. In technical terms, graphical symbols are part of the human-machine interface: they translate machine functions into concise visual signs that can be placed on levers, buttons, panels, and displays. Good symbol design matters because crane operation involves directional movement, load handling, and multiple control actions that must be distinguished at a glance. General technical context suggests that such symbols are intended to improve legibility, consistency, and usability across equipment.

Why symbol standardization matters on crane controls

Mobile cranes are complex lifting machines, often used in variable work environments and by different operators. Standardized symbols reduce dependence on text and help create a common visual language for core functions. That is especially useful where equipment may be shared, relocated, or operated in multilingual settings. The broader engineering value lies in making control interfaces more predictable and easier to interpret, while keeping the visual design aligned with the machine’s operating logic.

What this part covers

• Graphical symbols for operator controls and other displays
• Mobile cranes as defined in ISO 4306-2
• Visual marking for functions and indications on crane interfaces
• Consistent symbol use across control and display elements