1. Switch off the charger.
2. Connect or disconnect the charging
clips.
Read and observe these operating
instructions and all technical
documentation for the used components.
Danger when charging batteries!
Defective batteries can produce inflammable
gases or leak acidic fluid when charging.
¶ Make sure that any liquid (electrolyte)
leaking from rechargeable batteries does
not come into contact with your skin or
eyes.
¶ Immediately rinse any areas of skin
affected with water and then consult a
doctor.
¶ Ensure there is sufficient ventilation in
enclosed spaces.
Do not use the BAT 645 outdoors and
protect against damp and moisture.
Symbols used | BAT 645 | 15 | en
1 689 989 233 2022-01-24| Robert Bosch GmbH
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.
Disposal
Dispose of used electrical and electronic
devices, including cables, accessories and
batteries, separately from household waste.
2. User information
2.1 Important notes
Important information on copyright, liability and
warranty provisions, as well as on equipment users
and company obligations, can be found in the separate
manual "Important notes on and safety instructions
for Bosch Battery Test Equipment". These instructions
must be carefully studied prior to start-up, connection
and operation of the BAT 645 and must always be
heeded.
2.2 Safety instructions
All the pertinent safety instructions can be found in
the separate manual "Important notes on and safety
instructions for Bosch Battery Test Equipment". These
instructions must be carefully studied prior to start-
up, connection and operation of the BAT 645 and must
always be heeded.
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