1 689 988 238 2012-11-06| Robert Bosch GmbH
Symbols used | ACS 651/751 | 69
en
1. Symbols used
1.1 In the documentation
1.1.1 Warning notices - Structure and meaning
Warning notices warn of dangers to the user or people in
the vicinity. Warning notices also indicate the consequenc-
es of the hazard as well as preventive action. Warning no-
tices have the following structure:
Warning
symbol
KEY WORD – Nature and source of hazard!
Consequences of hazard in the event of fail-
ure to observe action and information given.
¶ Hazard prevention action and information.
The key word indicates the likelihood of occurrence and
the severity of the hazard in the event of non-observance:
Key word Probability of
occurrence
Severity of danger if in
-
structions not observed
DANGER
Immediate impend-
ing danger
Death or severe injury
WARNING
Possible impending
danger
Death or severe injury
CAUTION
Possible dangerous
situation
Minor injury
1.1.2 Symbols in this documentation
Symbol Designation Explanation
!
Attention Warns about possible property damage.
i
Information Practical hints and other
useful information.
1.
2.
Multi-step
operation
Instruction consisting of several steps.
e
One-step
operation
Instruction consisting of one step.
Intermediate
result
An instruction produces a visible inter
-
mediate result.
"
Final result There is a visible final result on com
-
pletion of the instruction.
1.2 On the product
!
Observe all warning notices on products and ensure
they remain legible.
Caution!
Contact with the refrigerant and UV con-
trast medium can cause blindness and
severe injuries.
¶ Read this operating manual and all techni-
cal documentation for the used
components.
¶ Wear protective gloves.
¶ Wear protective goggles.
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