Bose SOUNDCONTROL Owner's Manual page 67

Troubleshooting
Problem
Hearing aids
whistle
Solutions
Make sure that you're placing
the eartips in your ears correctly.
Remember to insert each eartip deep
into your ear canal until the cable is flat
against your ear and the eartip feels
secure (see page 22).
Choose another eartip size (see
page 72). You may need a different
size for each ear.
If you're using open eartips, try
replacing them with the same size
closed eartips (see page 73).
Decrease World Volume
(see page 30).
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