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These medical devices are intended for auscultation.
Bow adjustment
Position the eartubes so that
they are inclined at about 15°
and the eartips are in line with
the nose bridge, facing forward
with respect to you (see illus-
tration).
In this way the eartubes will be
aligned with the ear canal and
you will obtain a clear, sharp
sound.
Holding the eartubes in front
of you with one tube in each
hand, open them, separating
the tubes and inserting the
eartips in your ears.
Adjustment of the bow tension
If you feel uncomfortable or performance is poor, adjust the ten-
sion of the eartubes. Press the binaural eartubes against each
other gently to increase the tension, separate them to reduce it.
• Attention: an excessive tension could weaken the
bow.
• For best performance, it is important to use eartips
of a suitable size for your ears. This is particularly
important if you're using soft conformable eartips.
Replacement of the diaphragm
Although the diaphragm is solid and planned to last long, it
could be necessary to replace it.
In this case proceed as follows:
• Remove the backing ring, paying attention not to damage it
(for screw models, counter clockwise rotate the ring), then pull
the diaphragm out.
• Fit the new diaphragm and reposition the backing ring making
sure that it is well fixed (for screw models clockwise rotate the
ring).
ENGLISH
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