1 692 104 611 2014-10-15| Robert Bosch GmbH
Symbols used | HTD 8xx | 25 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 consequences of the hazard as well as preventive
action. Warning notices have the following structure:
Warning
symbol
KEY WORD – Nature and source of hazard!
Consequences of hazard in the event of
failure 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
instructions not observed
DANGER Immediate impending
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
intermediate result.
"
Final result There is a visible final result on
completion of the instruction.
1.2 On the product
! Observe all warning notices on products and ensure
they remain legible.
2. Safety instructions
2.1 Laser radiation
Laser radiation can damage the retina. Serious
eye injuries could result.
Safety measures:
¶ Never aim a laser beam directly at anybody,
particularly not at the face or eyes.
¶ Never look directly at the laser source.
¶ Avoid reflections, e.g. by covering up or removing
any reflective surfaces in the vicinity of the laser
beam.
¶ Observe the intended use.
The term laser equipment refers to devices, systems
or test set-ups generating, transmitting or employing
laser radiation. The class of the laser equipment is an
indication of the hazard potential associated with the
accessible laser radiation.
Taking medication or alcohol consumption
will slow down the reflex action of the
eyelids, thus increasing the risk of laser-
induced eye injuries. Anyone taking
medication is advised to wear RB1 laser
safety goggles.
Class 3R laser
The accessible laser radiation becomes a danger to the
eyes if the beam cross-section is reduced by optical
instruments. It does not represent a risk to the eyes
as long as the cross-section is not reduced by optical
instruments (magnifying glasses, lenses, telescopes).
If this is not the case, the laser radiation emitted in
the visible spectral range (400 nm to 700 nm) is not a
hazard provided that the exposure time is short (up to
0.25 s).
2.2 Risk of asphyxiation
The inhalation of carbon monoxide from
a vehicle exhaust can cause fatal asphyxiation.
Safety measures:
¶ Ensure good ventilation.
¶ Install a suitable exhaust gas extraction system.
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