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An open book with a lowercase i, in blue.
Also known as: Refer to instruction manual, Consult IFU, Open book symbol, Read the instructions symbol
The open-book symbol directs the reader to the instructions for use, and it is blue by convention — blue meaning mandatory action in safety-sign colour coding, as against the black of an informational mark. The colour is doing work.
Directs the user to consult the device's instructions for use.
Contexts: Medicine
Is drawn in blue, which in safety colour coding denotes a mandatory action, distinguishing it from black informational symbols on the same label.
Contexts: Medicine
Is distinct from the triangular caution symbol, which warns of a hazard rather than pointing at documentation.
Contexts: Medicine
An open book seen from above with two facing pages and a central spine, a lowercase letter i on the left page, drawn in blue.