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Jinghao JH-A39, Manual, Page: 10 / 13

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Jinghao JH-A39 Manual Download Page 10

MAINTENANCE AND CLEAN

Cleaning

For hygiene reasons and to maintain functionality, cleanyour hearing instruments daily.Clean your 

hearing instruments with a soft, dry tissue.Regularly clean the tubes with special cleaning wires.

NOTE: 

Do not put the hearing instruments in water. Donot put your device and accessories in water.

Storage

During longer periods of non-use, store your hearing instruments in a drying system in order 

to prevent thepenetration of moisture

Summary of Contents for JH-A39

Page 1: ...JH A39 ...

Page 2: ......

Page 3: ...07 08 Getting to know your hearinga aids Left Right Front of charging base Rear of charging base ...

Page 4: ...Size Weight of Hearing Adis Charging Base ...

Page 5: ...ing device Rated power supply current consumption 6mA Charging time 1 5 2 hours Hearing aid Work time 10 hours Hearing aid charging times double machine 3 times Charging case working voltage 4 2V Hearing aid charging current 30mA Charging case charging time 3 5 4 5 hours ...

Page 6: ... right ear 2 Choose and install earplugs Choice of earplug specifications The hearing device comes with medium size earplug Please select suitable earplug accordingly to your ear canal size Note It s very important to select suitable earplug you will hear whistling sound if you chose too big or too small earplug ...

Page 7: ...f device Wearing Rotating hearing device gently into the ear Note you can press big button to adjust volume to avoid too high sound hurt your ear since minimum level before you put the hearing device into your ear canal is better and then you can adjust suitable volume based on your hearing loss ...

Page 8: ...d Power Button BIG BUTTON for 3 seconds when you hear twice Beep and no voice from the device To adjust the volume 6 sound levels Press to click the Power Button big button to change the sound volume Note There are 6 levels of sound volume Each time you press to click the power button you will hear a Beep sound indicating the next volume level At the highest volume level 6 you will hear 3 continuo...

Page 9: ...Will lasts for 10 12 hours working after fully charged Charging hearing aids Charging base Connect the Micro USB line to the charging case to make the charging case fully charged Noted 1 Don t covering the microphone with your fingertip place the hearing device in the ear properly 2 Make sure your get a comfortable fit and that themicrophone is not being blocked 3 When the charging case is fully c...

Page 10: ...hearing instruments with a soft dry tissue Regularly clean the tubes with special cleaning wires NOTE Do not put the hearing instruments in water Donot put your device and accessories in water Storage During longer periods of non use store your hearing instruments in a drying system in order to prevent thepenetration of moisture ...

Page 11: ...c pressure 86KPa 106 Kpa Work time 12 15hours Charging time 3 5 hours MAX SSPL OSPL90 120dB 3dB High FrequencyAverage OSPL90 103dB 4dB Average gain 22dB 5dB Equivalent input noise level 35dB Total Harmonic Distortion 10 Frequency Response Range 300Hz 3000Hz 05 What s in the box Ear Dome Cleaning Brush Bar 06 Usb Line Charging Base Hearing Aids ...

Page 12: ...ch as a park or open space As your ears get used to the device extend the hearing aid to use 3 4 hours per day You may notice that you start hearing sounds you previously were not able to 13 Regular and outdoor conversations should now be tolerated Try bringing your hearing aid with you to a restaurant work Extend daily use to 5 to 6 hours per day but don t over to it as you are still getting used...

Page 13: ...g devices Clean or replace the tube or earplug Contact your distributor Sound is distorted Charge the hearing devices Decrease the volume level Clean or replace the tube or earplug Hearing Device does not work Turn on the device Make sure the hearing devices with power Charge the hearing devices ...

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