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Feedback-Free Listening
Your Unison hearing instruments may have an optional
start up mute that can be activated by your hearing
healthcare professional. If the start up mute is activated,
your hearing instruments will not turn on until the
program button is pushed, even if the battery door is in
the ON position. The hearing instruments return to the
start up mute position each time you turn your hearing
instruments on. This allows you to insert your hearing
instruments without experiencing whistling.
If you wear hearing instruments now, you may have
experienced whistling from your hearing instruments
when you talk, chew, use the telephone or hug
someone. Unison's feedback technology dramatically
reduces this uncomfortable whistling before you or
anyone else can perceive it.
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