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regularly. It can be assumed that risk-free operation
is no longer possible if:
• there is visible evidence that the device has been
damaged
• the device has been stored under unfavorable
conditions for a longer period of time
• the device has been subjected to heavy transport
strain.
The outside of the device should be cleaned with a
soft, damp cloth or brush only. Do not use abrasive
or chemical cleaning agents which could damage
the housing or impair operation.
Never try to open the housing, apart from the
battery
compartment.
When the device has become unusable,
dispose of it in accordance with the current statutory
regulations.
Disposal of batteries and rechargeable
