Widex FL-9é Custom - Manual (Page 43)

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Important: If your hearing aid is connected to equip-
ment which is connected to the electrical mains, this
equipment must meet the safety requirements stated
in the international standard IEC 60065.
Do not connect the hearing aid to sockets that are la-
belled with one or more of the following symbols:
For more information on the use of audio input consult
your hearing care professional.