MA 25 Operating Manual
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2.2. Important safety note
The MA 25 should always be operated in a quiet room with minimal magnetic influence, to ensure that
examinations are not disturbed by external noise.
Electro-medical instruments that emit strong electromagnetic fields (e.g. microwaves, radiotherapy devices) can
affect the operation of the MA 25.
Therefore, the operation of these instruments in close proximity to the MA 25 should be avoided at all times.
The examination room should have a normal temperature between 15˚C/ 59˚F and 35˚C/ 95˚F. If the instrument has
cooled down during transportation, please wait for it to warm up to room temperature before operation.
Attention
PLEASE READ THE ENTIRE MANUAL CAREFULLY BEFORE OPERATING THIS INSTRUMENT.
Please only use this instrument as described in the manual.
Please familiarize yourself with the instrument and its operation before using.
Should defects or damages be suspected, please do not, under any circumstances, use or attempt to
fix the instrument yourself.
Calibration of the instrument: The audiometer and the headphone complement each other and share
the same serial number (i.e. 63252). Therefore, the instrument shall not be used with any other
headphone prior to recalibration. Recalibration also needs to be conducted, when a defective
headphone is replaced.
NOTE: Uncalibrated instruments may lead to faulty measurements.
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