Sonic Journey 40 Super Power, Руководство пользователя

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SONIC
Common Problems and Solutions
Hearing aid whistles or squeals
Check that the earpiece is inserted correctly. If this is
the case and the hearing aid still whistles or squeals,
please consult your hearing care professional.
No volume, level too soft or humming noise
Check if the volume level on your hearing aid is
too soft and adjust by increasing the volume level
with the control on your hearing aid. If you have no
volume at all, check whether the hearing aid is in
mute position. If the problem still occurs, check that
the battery door is closed completely. Also check
if the battery is inserted correctly. If the problem
still remains, change the battery. If the problem still
persists, contact your hearing care professional.
Whirring noise, fading, weak or motor-boating sounds
Open and close the battery door several times or
clean the battery contacts carefully with a dry cotton
swab. If the problem still occurs, change the battery.
If the problem still remains, contact your hearing care
professional.