21
22
App
connection
failure
Improper battery insertion
cause/reason of failure
unknown/undetermined
Re-insert or replace with new battery
Technical issues with Smart
device
Restart the Smart device
Contact instrument provider, where
instrument was purchased.
App and Smart device
incompatibility
Check iOS/Android OS version
App outdated
Update App with newer version
Whistling,
feedback
Sound:
distorted,
intermittent,
not clear,
static,
too much
Bass
Instrument not fitted well in the
ear.
Volume set too high
Re-insert instrument or replace with a
better fitted size dome.
Adjust volume on App
Poor battery contact
May need reprogramming
Contact hearing instrument
provider/seller
Low battery or dead battery
Replace battery
Contact hearing healthcare
professional
Sound outlet may be blocked
Clean sound outlet or contact hearing
instrument provider/seller
Close range with other
electromagnetic devices/fields
(speaker, phones, etc.)
Distant from other electromagnetic
devices/fields.
