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VI. KNOW YOUR DEVICE

How to use hearing aids

Figure 1:  Appearance of the hearing aid

1. Turn the knob from "OFF" to "1", the hearing aid is turned 

on.

2. Choose one of the four different sizes of earplugs that suits 

you and fit it to the sound outlet of the hearing aid.

3. Fit deeply the hearing aid with earplugs in your ear canal 

until it is stable.

4. Adjust the volume knob to the appropriate position.
5. When removing it after use, gently remove the earplugs by 

pulling up the line.

6. After use, turn the knob to the "OFF" position.
7. If the power is too low to work, please put the hearing aid in 

the charging case to charge

Charging contacts

Volume knob

earplug

Microphone 

Fishing line

* Notice

 Please trun off the hearing aid when charging

If howling happens, please check whether the hearing aid is worn 

according to the right steps. If the operation is correct but the 

howling still exists, please replace with bigger size of earplug. The 

knob can switch the power as well as the volume, and please turn 

it off when not use.

Table 3: Hearing aid failure self-checking table

[Fault self-check] 

project

Possible Causes

The button time is 

too short to start

Long press the 

"volume button" for 

3 seconds, restart

Battery is dead

Hearing aid has 

no sound

Connect the hearing 

aid to the charging 

case for charging

Plugging out the 

mouth or microphone

Clean the sound port 

or microphone port

Low battery

Connect the hearing 

aid to the charging 

case for charging

The volume is too low

The voice is very 

weak and unclear

Turn up the volume

Earplugs loose

Re-wearing the 

hearing aid

Solution

Summary of Contents for JH-D30

Page 1: ...Instruction Manual Model JH D30 Please read this user manual thoroughly and completely before using the product HEARING AIDS VER D30 20201113 V01 Life cycle of product is three years 1639 ...

Page 2: ... from the literature of World Health Organization prevention of Blindness and deafness PBD program Preven tion of Deafness and Hearing Impaired Grades of Hearing Impairment 2 1 Medical purpose The hearing aid was intended to compensate of impaired hearing 2 2 Intended patients and environment The hearing aid expect used indoor and outdoor environ ment any patients if need hearing compensated decid...

Page 3: ...fect the effect of sound amplifier Avoid shocking falling the product Do not keep or use it in environment of humid of high temperature such as sauna room to avoid damage the hearing aids Do not throw the scrapped battery as common rubbish it should be handled by special equipment to avoid pollute the environ ment Do not use the product in potential explosive or dangerous environment to avoid dama...

Page 4: ... it may damage the device Do not use the hearing aids together with a cell phone otherwise it may increase the noise and affect the sound quality Radio wave emissions from mobile phones can cause noise in the hearing aids or result in reduced volume Please contact the MANUFACTURER for assistance if needed in setting up using or maintaining the HEARING INSTRUMENT or to report unexpected operation o...

Page 5: ...intenance and inspection to ensure that the hearing aids are in good condition 8 If you feel uncomfortable ears during use please stop using immediately 9 Please do not put the hearing aid in the reach of infants and young children If swallowed accidentally please consult a doctor immediately 10 Applicable objects Suitable for people with air conducting hearing loss of about 30 50dB 11 Please use ...

Page 6: ...tice Please trun off the hearing aid when charging If howling happens please check whether the hearing aid is worn according to the right steps If the operation is correct but the howling still exists please replace with bigger size of earplug The knob can switch the power as well as the volume and please turn it off when not use Table 3 Hearing aid failure self checking table Fault self check pro...

Page 7: ...as competed charging Charging case display Hearing aid charging port Hearing aid charging port USB charging port Cover When using the adapter to charge the charging case the hearing aids are charging as well Table 4 Charging case fault self checking table Fault self check project After the hearing aid is connected the hearing aid indicator is not lit Light does not shine Low battery Connect USB ca...

Page 8: ... to save battery but don t worry any hearing devices inside will still be charging REMOVAL THREAD The Removal Thread is used to insert and remove your D30 devices It should always be facing down when inserting the device into your ear 14 Indicator Lights Each device is labeled with either an L or an R These correspond to the ear in which the D30 device should be inserted L is for your left ear and...

Page 9: ...ont of the charger will scroll then show the charge level FINDING THE PERFECT FIT Grasp the body of the D30 device between your thumb and index finger With your other hand grasp the regular size Earplug on one side at the bottom and peel it up and away from the body of the device 1 To insert the device into your ear hold it with your thumb and index finger grasping the removal thread 1 Grasp the r...

Page 10: ...se do so AFTER the devices have been inserted so the lotion does not clog the microphone Consult your hearing care professional if you have difficulties removing the hearing aid After removal it s a good idea to inspect your devices for wax buildup or to replace the Earplugs or wax guards if needed You can read more about this in the D30 Care section AMPLIFICATION LEVELS Your D30 devices have four...

Page 11: ...he D30 device If this happens or you cannot locate the Earplug have a healthcare professional remove it or verify it is not still in your ear area with the microfiber cloth Ø DON T SHARE YOUR D30 For hygienic reasons please do not do this KEEP D30 DRY Before placing your D30 devices in the charger make sure the devices are completely dry Long term exposure to moisture can harm your devices Let you...

Page 12: ...important to keep your instrument clean and dry On a daily basis clean the hearing instruments using a soft cloth or tissue In order to avoid damage due to humidity or excessive perspira tion the use of a drying kit is recommended 9 2 Care and maintenance Put it in where children could not reach dry and no exposed in the sun Do not place hearing aids near high temperature heating areas such as sto...

Page 13: ... Care Keep your charger clean Heat moisture and foreign materials can result in poor performance Using the provided cleaning brush keep the charging ports clear of debris Do not use water solvents or cleaning fluids to clean the charging ports Keep lid closed as much as possible to avoid dust and debris build up Store your charger in a clean and dry location i e a dresser or shelf rather than the ...

Page 14: ...t the micro USB to your charger and plug it into the wall The on board battery LEDs will turn on for a few seconds to indicate connection to the power source If they do not contact your hearing professi onal 25 26 Not Loud Enough Blocked tubing earbud Clean or replace wax guard as needed Hearing change Contact your hearing professional Debris buildup Clean both microphone and receiver with brush U...

Page 15: ...and cannot do Better hearing with hearing aids is a learned skill combining desire practice and patience For Your Family and Friends Your family and friends are also affected by your hearing loss Request that they Get your full attention before beginning to speak Look at you or sit face to face in a quiet room Speak clearly and at a normal rate and level shouting can actually make understanding mo...

Page 16: ...sories list Notice The above parameter index testing is on basis of FONIX8000Hearing Aid Test System Inspection standard GB T 25102 7 2017 IEC 60118 7 2005 2CC coupling cavity HA 1 Notes This hearing aid is produced under the strict quality system of Huizhou JINGHAO Medical Technology Co Ltd The device fulfils the provisions of the EC directive 93 42 EEC Medical Device Directive and the Harmonize ...

Page 17: ...estions please contact the manufacturer or distributor to handle the case 2 The user must not attempt any repairs to the device or any of its accessories Please contact the retailer for repair 3 Opening of the equipment by una uthorized agencies is not allowed and will terminate any claim to warranty warning No modification of this equipment is allowed 14 2 Storage 1 If you Do not use it turn off ...

Page 18: ... Ltd Address Floor 6 Huicheng Industry Building No 9 Huifeng Dong er Road Zhongkai High tech Zone Huizhou City Guangdong Province China Tel 86 752 2266961 Website www jinghao cc E mail emily jhhearingaids com Shanghai International Holding Corp GmbH Eu rope Eiffestrasse 80 20537 Hamburg Germany Tel 49 40 2513175 Fax 49 40 255726 ...

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