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Troubleshooting
1. Instrument makes a whistling sound.
• Whistling (feedback) occurs when
amplified sound returns to the
microphone and is re-amplified.
• Try reinserting the
into ear canal so it fits better.
• Lower the volume.
• If you still require more volume
to hear, try using a Closed
ComfortTIP
TM
.
• If whistling occurs after trying a
ComfortTIP
Closed
require more gain (volume) and
should try using a
ComfortTIPs
with
ComfortTIP
TM
TM
, you might
13PLUS
Tube
TM
.
• Clean any wax from the
Tubing or Ear Dome using
the Cleaning Tool.
Please note: When an object
(hand, hood, person, chair,
wall... etc.) comes close to
your ear while wearing hearing
aids, you may experience
whistling. This is normal for
all microphones, not just
microphones in hearing aids,
when the microphone is
temporarily obstructed.
20
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