User's Guide
36
14. Care and maintenance
Diligent and routine care of your hearing aid contributes
to outstanding performance and a long service life. To
ensure a long service life, Sonova AG provides a minimum
of a ve year service period after phase out of the
respective hearing aid.
Please use the following specications as a guideline.
For further information regarding product safety, see
chapter 20.2.
General information
Before using hair spray or applying cosmetics, you should
remove your hearing aid from your ear, because these
products may damage it.
When you are not using your hearing aid, leave the
battery door open so that any moisture can evaporate.
Make sure that you always completely dry your hearing
aid after use. Store the hearing aid in a safe, dry and
clean place.