Siemens MUSIC Pro Pro IT - Manual (Page 17)

17
How you can
help yourself
In selecting your MUSIC Pro hearing instruments, you have
chosen extremely dependable devices. However, should a
fault occur, it can usually be corrected quickly.
Important tips:
If the hearing instrument
whistles
Test the instrument
yourself by covering the
sound outlet opening with
your fingertip. If the
whistling disappears, the
instrument is in order.
Sound outlet
opening
Check that the instrument sits properly in your ear.
If the whistling noise is still audible, only your hearing
instrument specialist can provide assistance.