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12.
Never dispose of batteries in an open fire or together with hazardous and/or flammable
substances.
Warning: Batteries may not be exposed to excessive heat such as direct sunlight, fire or the like.
Caution
Risk of electric shock
Maintenance
Label on the device
The follow symbols are used on the device as labels for restrictions and safety precautions as well as
safety instructions. Each label should be followed only if it is present on the device. Please heed this
information for reasons of safety.
Protection class II device: This device was designed to not require a protective
conductor (electrical grounding) for connection to the power supply.
Protection class II device with functional protective conductor: This device was
designed to not require a protective conductor (electrical grounding) for connection to
the power supply. The protective conductor serves functional purposes.
Protective conductor (grounding): The marked terminal is intended for connection to
the protective conductor (grounding) connected to the power supply line.
Potentially fatal terminal: The marked terminal(s) is/are potentially fatal in normal
operation mode.
Caution. Please follow the instruction manual: The marked area(s) contain(s) coin-cell
batteries that must be replaced by the user.
18
Severe or fatal risk of injury
Risk of dangerous voltage
Important maintenance components
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