Weinmann WM 24037 Mode D'emploi page 34

Overview
34 EN Connecting lead PSG
Indicates an unusually extreme hazardous situation. If you do not
follow this instruction, severe, irreversible injuries or death will
result.
Indicates an unusually extreme hazardous situation. If you do not
follow this instruction, severe, irreversible or fatal injuries may
result.
Indicates a hazardous situation. If you do not follow this
instruction, mild or moderate injuries may result.
Indicates material hazards. If you do not follow this instruction,
material damage may result.
Contains useful information and hints.