19
SYMPTOM CAUSE POSSIBLE REMEDY
Whistling • Hearing instruments not
inserted properly
• Volume too loud
• Hand/clothing near ear
• Poorly fitting
hearing instruments
Not clear, • Poorly fitting hearing
distorted instruments
• Hearing instruments
blocked with ear wax
• Change in hearing
• Low battery
"Motorboating"
• Low battery
sound • Dirty battery contact
Weak on the • Volume control set
Telephone too low
• Telephone not
positioned properly
For any problems not listed in the guide, contact your hearing healthcare
professional. If you do not have a hearing healthcare professional, please
contact the nearest office listed on the back page of this booklet.
• Remove and reinsert
• Turn volume down
• Remove hand/clothing from ear
• Consult your hearing
healthcare professional
• Consult your hearing
healthcare professional
• Refer to the section “Cleaning
Your Unison Hearing
Instruments”. Consult your hear-
ing healthcare professional.
• Consult your hearing
healthcare professional
• Replace battery
• Replace battery
• Consult your hearing
healthcare professional
• Turn up volume
• Move telephone around ear
for clearer signal. For models
with Easy t-coil, refer to section
“Using Unison with Easy t-coil
for the Telephone”.
