background image

If none of the above solutions solve the problem, 
ask your Hearing Care Professional for assistance.

Common problems and their solutions

Effect

Squealing 
noise

No sound

Whirring 
noise or 
beeping

Cause

Ear wax accumulated in ear canal

Hearing instrument inserted 
improperly

Clogged sound outlet

Clogged microphone opening

Worn-down battery

Hearing aid switched to telecoil (T)

Dirty or corroded battery 
contacts

Dirty or corroded battery 
contacts

Dirty or corroded battery

Worn-down battery

Solution

Have ear canal examined by your doctor

Reinsert hearing instrument 

(pg. 6)

Clean sound outlet  

(pg. 22)

Clean microphone opening with a brush 

Replace battery 

(pg. 12)

Switch to microphone signal (M) 

(pg. 10)

Open and close the battery door 
several times or replace battery 

(pg. 12)

Open and close the battery door 
several times or replace battery 

(pg. 12)

Clean battery surfaces with dry cloth 
or replace battery 

(pg. 12)

Replace battery 

(pg. 12)

30

31

Summary of Contents for Sumo 20DM

Page 1: ...BTE U S E R I N S T R U C T I O N A L B R O C H U R E...

Page 2: ...nformation about the use and handling of your hearing instruments and batteries Contents Instrument view 4 Turning your hearing instrument on 5 Turning your hearing instrument off 5 Inserting your hea...

Page 3: ...cating which program is active and that the battery is working The LED will flash to indicate the instrument is on or light up permanently depending on configuration Turning your instruments OFF When...

Page 4: ...e earmold A is pushed behind and under the fold B of your ear Gently pull down your earlobe and press the earmold in the direction of the ear canal With the earmold correctly positioned slide the hear...

Page 5: ...ogram you are using if beeps are enabled Your hearing instrument can have up to three different programs Please note that one program may be programmed as an off position Optional One beep when you sw...

Page 6: ...tening situations The preferred volume control level can be indicated by three beeps This level has been programmed according to your preferences Consult your Hearing Care Professional if you find thi...

Page 7: ...edicated super power battery so that its sign faces the sign printed on the top of the battery door The battery door should close easily If you feel any resistance it could be that you have placed the...

Page 8: ...cked into position into the battery door Tamper resistant battery door optional This option is strongly recommended for infants small children and people with learning difficulties Instructions To rem...

Page 9: ...e this if desired Consult your Hearing Care Professional for advice and purchase information about ear level wireless FM systems Dedicated receiver for Lexis FM Users of the Lexis FM system can choose...

Page 10: ...ring Care Professional for advice and purchase information about DAI coupling shoe and cords Adjustment of DAI Note Your hearing care professional can adjust your DAI shoe according to the application...

Page 11: ...mselves injury Never change the battery of the hearing instrument in front of infants small children and people with learning diffi culties Discard batteries carefully in a place where they cannot be...

Page 12: ...of medical evaluation is to ensure that all medically treatable conditions that may affect hearing are identified and treated before the hearing instrument is purchased Following the medical evaluati...

Page 13: ...ondition Please seek immediate consultation with a physician if these conditions occur Children with hearing loss In addition to seeing a physician for medical evaluation a child with a hearing loss s...

Page 14: ...ring Care Professional for advice and purchase information about DAI coupling shoe and cords Adjustment of DAI Note Your hearing care professional can adjust your DAI shoe according to the application...

Page 15: ...ible and visible status indicators Table of functions Audible beeps Visual status indicator LED Your instrument has two means of status indication the audible beeps and a visual status indicator LED T...

Page 16: ...instrument Wash the earmold in lukewarm water using a mild soap Do not use strong detergents The hearing instruments themselves must never be washed Rinse with water Dry the earmold Any water drops in...

Page 17: ...on be sure to wipe your hands dry before inserting your hearing instruments Using your hearing instruments It takes time to adjust to a new hearing instrument How long this adjustment takes differs fr...

Page 18: ...hear If you miss a word ask the speaker to repeat it 5 T elecoil use in church theatre or cinema An increasing number of churches theatres and public buildings have installed induction loop systems T...

Page 19: ...ot all mobile phones are hearing instrument compatible The varying degree of disturbance can be due to the nature of your particular mobile phone Using your hearing instruments The use of hearing inst...

Page 20: ...telecoil T Dirty or corroded battery contacts Dirty or corroded battery contacts Dirty or corroded battery Worn down battery Solution Have ear canal examined by your doctor Reinsert hearing instrumen...

Page 21: ...justments are NOT covered by the limited warranty and may void it The above warranty does not affect any legal rights that you might have under applicable national legislation governing sale of consum...

Page 22: ...906 64 811 00 03 07 Printed in Denmark...

Page 23: ...906 64 811 00 03 07 Printed in Denmark...

Reviews: