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1. Daily maintenance
   It is important to keep your devices clean and dry. On a daily 

basis, wipe them clean using a soft cloth or tissue. 

V. MAINTENANCE AND CLEANING

All data in this manual, such as service time, charging time, 

continuous working time, and charging times are derived from 
our internal laboratory testing and meant for reference purpos-
es only. Your exact usage and times may differ depending on 
various conditions and use patterns. It is a normal phenome-
non to hear some high-pitched whistling or buzzing when the 
hearing aid is at a high volume level and not fitted well into the 
ear as a result of mic feedback. If this occurs, lower the volume 
and adjust the hearing aid within the ear. Also check to make 
sure you are wearing the best size ear domes to ensure a 
proper fit in the ear canal, as this may also induce some minor 
feedback if not snug in the ear.

To avoid potential damage from excess humidity or 
perspiration, the use of a drying kit is also recommended.

2. Care and maintenance
   When not in use, store in a secure area away from small 

children and pets.  

Do not place hearing aids or charging case near high-tem-

perature areas such as stoves or direct sunlight.

Do not leave the devices in a humid place for a long time, 

such as bathroom.

Take care not to poke the microphone holes with any sharp 

objects to avoid damage.

Do not disassemble or attempt any repairs by yourself.  Doing 

so will void your warranty.

3. Cleaning
    1) Cleaning the ear tips
      Remove any earwax buildup using the 
      enclosed tool. Wipe clean with a tissue or soft cloth.
    2) Cleaning Tool
    Use a soft cloth or tissue to wipe any moisture, perspira-

tion, or debris from the surface of the tool.

4.When the hearing aid and case is not functioning properly, 
please check the “troubleshooting guide”. If none of the 
solutions work, please contact our after-sales service team.

Summary of Contents for JH-W5

Page 1: ...Instruction Manual Model JH W5 Please read this user manual thoroughly and completely before using the product HEARING AID VER W5 A620 20211213 V01 Life cycle of product is three years...

Page 2: ...D TIPS IV HOW TO USE YOUR DEVICE 1 HOW TO APPLY DOMES 2 LEFT RIGHT HEARING AID MARKINGS 3 WEARING REMOVE HEARING AID 4 TURN ON TURN OFF 5 VOLUME ADJUSTMENT 6 HEARING AID CHARGING 7 HOW TO USE THE CHAR...

Page 3: ...ired Ensure that ear domes are free of debris and moisture at all times Avoid shocks or dropping the product Do not store or use the product in environments of high humidity or temperature such as sau...

Page 4: ...tortion may result Instead use via Bluetooth pairing with your cell phone Radio wave emissions from mobile phones can cause noise in the hearing aids or result in reduced volume Please contact the MAN...

Page 5: ...s media in the period of purulent infection 9 Patients who are allergic to the materials of this product 1 Do not immerse the hearing aid in any liquid Remove the hearing aid before swimming or bathin...

Page 6: ...me is fastened securely 1 2 3 4 5 1 2 L M S M S Please follow these steps to mount domes because Incorrect dome replacement could result in the dome being left in the ear when you remove the hearing a...

Page 7: ...ng aid in the ear it will automatically turn on There is a L or R marking on the hearing aid This will tell you if it is a left or a right hearing aid Notice Don t block the sensor by hands which will...

Page 8: ...ut the hearing aid back into the correct slot of the charging case they will automatically turn off and start charging 1 2 2 ear dome out 2 Before the hearing aid is appropriately secured it may give...

Page 9: ...ndicators 3 Left side hearing aid charging indicator 4 Charging case charging indicator 5 Right side hearing aid charging indicator 6 Battery check button 7 Micro USB connection to external power supp...

Page 10: ...hear the notification sound again 7 1 Plug the small Micro USB cable tip into the USB charging port of the Case Plug the large USB A end into a USB A power source such as a wall charger or your comput...

Page 11: ...se indicator will flash orange when the charging case battery drops below 25 please charge the case 3 When the case is fully charged the indicator will show a solid green light will be constant and th...

Page 12: ...o induce some minor feedback if not snug in the ear To avoid potential damage from excess humidity or perspiration the use of a drying kit is also recommended 2 Care and maintenance When not in use st...

Page 13: ...ng 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 bathroom or kitchen To ensure the l...

Page 14: ...out any debris from the ear domes and receiver area with the cleaning brush SYMPTOM POSSIBLE CAUSES SOLUTIONS Hearing Aid plays notification sound Inconsistent performance Distorted sound Indication...

Page 15: ...project Possible Causes Poor contact between hearing aid and charging case Reinsert the hearing aid into the charging case Hearing aid reverse Check to see if the hearing aid is reversed Solution hea...

Page 16: ...and level shouting can actually make understanding more difficult Rephrase rather than repeat the same words different words may be easier to understand Minimize distractions while speaking Item Char...

Page 17: ...sample after testing the function is normal IPX3 Test Condition Water flow rate 0 07L min 5 per multiplied by Number of holes 10L min 5 Duration of test 10min 1 min m2 at least 5 min Test Condition 14...

Page 18: ...he purchase receipt XIII WARRANTY Huizhou Jinghao Medical Techology Co Ltd Address Floor 6 Huicheng Industry Building No 9 Huifeng Dong er Road Zhongkai High tech Zone Huizhou City Guangdong Province...

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