50
51
TROUBLESHOOTING GUIDE
SYMPTOM
CAUSE
Excessive
whistling / feedback
• Incorrect earmould placement
• Incorrect dome placement
• Excessive ear wax
• Feedback control may need adjustment
• Earmould tubing worn or damaged
• Thin tube connection loose
• Hearing instrument settings not optimal
POSSIBLE REMEDY
PAGE IN THIS USER GUIDE
• Re-insert earmould carefully
18
• Re-insert dome
36
• Consult your hearing care professional
-
• Consult your hearing care professional
-
• Consult your hearing care professional
-
• Change thin tube or consult your hearing care professional
-
• Consult your hearing care professional
-
Summary of Contents for Crisp
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