Siemens SIMATIC PCS 7 OSx Operator's Manual page 2

DANGER indicates an imminently hazardous situation that, if not avoided, will
result in death or serious injury.
DANGER is limited to the most extreme situations.
WARNING indicates a potentially hazardous situation that, if not avoided, could
result in death or serious injury, and/or property damage.
CAUTION used with a safety alert symbol indicates a potentially hazardous situ-
ation that, if not avoided, could result in minor or moderate injury.
CAUTION used without the safety alert symbol indicates a potentially
hazardous situation that, if not avoided, could result in property damage.
NOTICE indicates a potential situation that, if not avoided, could result in an
undesirable result or state.
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customer's products, we do not assume responsibility either for customer product design or for any infringements of patents or rights
of others which may result from our assistance.
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CAUTION
Copyright 2002 by Siemens Energy & Automation, Inc.
All Rights Reserved — Printed in USA
DANGER
WARNING
CAUTION
NOTICE