go hearing Go Ultra User Manual page 18

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Note: Make sure to grip the base of the slim tube and not
the tube itself.
Note: Be careful not to bend the slim tube sideways. This
will cause a kink or narrowing of the tube resulting in the
obstruction of soundflow through the tube.
Selecting the correct dome size
Each Go hearing aid comes with two different types of domes,
namely open and closed domes. The domes are made out
of medical-grade silicon and attach to the end of the slim
tube. The two dome types come in three different sizes: small,
medium and large respectively.
Try the different domes to find the most comfortable fit for your
ear canal. The dome should fit snugly in the ear canal opening
so that the ear canal is properly sealed. In other words, the
dome shouldn't feel like it is falling out of the ear or that it has to
be squeezed or forced into the ear.
If it feels like the dome is falling out of your ear, it means that
the dome is most likely too small for your ear. Try changing
your dome to one that is a size larger. If it feels like you have
to squeeze or force the dome into your ear, it means that the