oticon Alta 2 Instructions For Use Manual page 57

rating is 7 (M4 + M3) for the acoustic
coupling and 5 (T2 + T3) for the telecoil
coupling. According to the guidelines
given above, both types of coupling
will thereby be acceptable, with the
acoustic coupling indicating excellent
performance and the telecoil coupling
indicating normal use.
IMPORTANT NOTICE
The performance of individual hearing instruments may vary with individ-
ual mobile phones. Therefore, please try this hearing instrument with your
mobile phone or, if you are purchasing a new phone, be sure to try it with
your hearing instrument prior to purchase.
For additional guidance, please ask your mobile phone provider for the
booklet entitled "Hearing Aid Compatibility with Digital Wireless Cell
Phones."
The above equipment performance
measurements, categories and system
classifications are based upon the best
information available, but it cannot
be guaranteed that all users will be
satisfied.
The immunity of this hearing
instrument is M4/T4.
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