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A diagram showing which control works which burner.
Also known as: Burner position diagram, Hob control marking
A small diagram beside each control shows which burner it operates, with the relevant ring filled in. It exists because the natural mapping of four controls in a row to four burners in a square is genuinely ambiguous, and the diagram resolves it.
Shows which burner each control operates, drawn as a small plan of the hob with one position marked.
Contexts: Electrical equipment
Exists because a row of controls cannot map unambiguously onto a square of burners, a problem the diagram solves rather than the layout.
Contexts: Electrical equipment
Four small circles arranged in a square with one filled solid, printed beside a control knob.