M.E.S. Marine Europa Sport Owner's Manual page 6

DEGREE OF DANGER AND HAZARD LABELS
The following abbreviations have been used:
(D); Danger
DANGER denotes an extreme intrinsic hazard exists which would result
in high probability of death or irreparable injury if proper precautions are not
taken.
WARNING denotes a hazard exists which can result in injury or death if
proper precautions are not taken.
CAUTION denotes a reminder of safety practices or directs attention to
unsafe practices which could result in personal injury or damage to the craft
or components.
The following abbreviations have been used too:
(OK); All right
The (OK) abbreviation means that the used procedure or the behaviour
adopted is in compliance with the prescription.
The (NO) abbreviation means that the used procedure or the behaviour
adopted is in compliance with the prescription and may seriously damage the
material or the ambient.
The (NOTE) abbreviation supplies important indications.
(W); Warning
(NO); Wrong
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(C); Caution
(NOTE); Note