14
Electromagnetic Immunity
The Chorus Sound Processor is intended for use in
the electromagnetic environment specified below.
The customer or the user of the sound processor
should assure that it is used in such an environment.
Immunity/
Compliance
Standard
Compliance
level
a
Electromagnetic environment - guidance
Electro-
static
discharge
(ESD)
IEC 61000-
4-2
Contact:
± 8 kV
Air:
± 15 kV
If used when the operator may come
in contact with synthetic materials
that may harbor static charge (e.g.,
nylon carpeting or clothing), relative
humidity should be at least 10%. As
with the operation of other electronic
devices, precaution should be taken
to not generate ESD.
Power
Frequency
Magnetic
Field
IEC 61000-
4-8
30 A/m
@ 50/60
Hz
Power frequency magnetic fields
should be at levels characteristic of
a typical location in a typical com-
mercial or hospital environment.