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Indicates the temperature limits to which the medical
device can be safely exposed.
Indicates the range of humidity to which the medical
device can be safely exposed.
Indicates the range of atmospheric pressure to which
the medical device can be safely exposed.
During transportation keep dry.
The symbol with the crossed-out garbage bin is to make
you aware that this device as well as chargers may not
be thrown away as normal household waste. Please
dispose of old or unused devices, at waste disposal
sites intended for electronic waste, or give your device
to your hearing care professional for disposal. Proper
disposal protects the environment and health.
Symbols applicable to the European power supply only
Power supply with double isolation.
Device designed for indoor use only.
Safety isolating transformer, short circuit
proof.