The instrument must be stored and used within the specified temperature,
pressure and humidity ranges (see Sections 7 and 9).
Do not attempt to open, modify or service the instrument. Return the
instrument to the manufacturer or distributor for all repair and servicing
requirements. Opening the instrument will void the warranty.
2.2 Electromagnetic compatibility (EMC) considerations
Medical electrical equipment needs special precautions regarding EMC
and needs to be installed and put into service according to the EMC
information in Appendix 3. This provides guidance on the electromagnetic
environment in which to operate the instrument.
Portable and mobile radio-frequency (RF) communications equipment can
affect medical electrical equipment. The instrument should not be used
adjacent to or stacked with other equipment; if this is necessary the
instrument should be observed to verify normal operation.
2.3 Mains supply operation
The audiometer is designed for continuous operation and is powered by a
mains adapter which is supplied, and specified as part of the equipment. If
a replacement is required, please contact your Amplivox distributor.
All other connections must be made before connecting the output lead
from the adapter into the POWER input socket on the back of the
audiometer. Switch on the mains supply - the indicator on the adapter and
the POWER indicator on the audiometer will both illuminate green,
showing that the instrument is ready for use.
The output from mains adapter is fitted with electronic circuit protection. In
case of overload the adapter will shut down and the indicator will be
extinguished. When the fault is cleared the adapter will operate as normal.
The input to the mains adapter is protected with a non-replaceable fuse. If
this fails the adapter will not operate.
The mains adapter is the mains disconnect device and therefore the
audiometer should be positioned such that easy access to the mains
adapter is possible.
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