Widex CROS-FS - Manual (Page 8)

8
the battery
We recommend zinc-air batteries . Use a size 312 battery for the
transmitter .
to obtain replacement batteries, please consult your hearing care
professional . it is important to take note of the expiry date and
the recommendations on the battery pack regarding disposal of
used batteries .
inserting the battery
Before inserting a new battery, remember to
remove the adhesive tab . once the tab has been
removed, the battery will start functioning after a
few seconds .