Troubleshooting
Problem and possible solutions
Sound is weak.
Increase the volume.
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Replace or recharge the empty battery (depending
■
on the battery type).
Clean or exchange the tube and the ear piece.
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Hearing instrument emits whistling sounds.
Reinsert the ear piece until it fits securely.
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Decrease the volume.
■
Clean or exchange the ear piece.
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Sound is distorted.
Decrease the volume.
■
Replace or recharge the empty battery (depending
■
on the battery type).
Clean or exchange the tube and the ear piece.
■
Hearing instrument emits signal tones.
Replace or recharge the empty battery (depending
■
on the battery type).
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Troubleshooting