Maintenance
Please do not attempt to repair, modify or alter these devices under any
circumstances.
Clean the devices with a soft, clean, dry and lint-free cloth. Do not open the devices,
they contain no user-serviceable parts.
Storage
The devices can be stored at temperatures between -20°C and 60°C. For long-term
storage, please use the original transport case and avoid environmental conditions
such as high humidity, dust, or excessively acidic or base surroundings.
Warning!
To ensure your own safety, please use only high-quality brand name
batteries, and follow the safety information and instructions provided by
the manufacturer.
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