Jinghao JH-115 User manual
01
Please read every single word
of the instructions carefully
before operating the product.
Thanks for purchasing our product. The
product can help you hear the sound
clearly when you are watching a movie,
meeting or taking a class.
It will be a good choice if you want to
hear very slight sound.Just like you hear
the chirping of birds in the forest.
I.NOTICE
II.INTENDED USE
1.1 What is hearing loss?
A speech frequency puretone average
(average of hearing thresholds at 0.5, 1,
2, and 4 kHz) of greater than 25 dB
hearing level (HL) in both ears was
defined as hearing loss per World Health
Organization criteria, and this is the level
at which hearing loss begins to impair
communication in daily life. (Extracted
from the literature of: World Health
Organization prevention of Blindness and
deafness(PBD) program. Prevention of
Deafness and Hearing Impaired Grades
of Hearing Impairment)
1.2 What’s hearing aid?
This hearing aid was used the
air-conduction type to compensate of
impaired hearing. It is a wear sound-am-
plifying device. The fundamental operat-
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 environment, any patients
if need hearing compensated decided
by doctor can be using but the patients
must over than 36 months old.
2.3 Side effects
- For the patients skin sensitive with
silicon material, may be caused the ear
canal pruritus.
02 03
ing principle of hearing aid is to receive,
amplify, and transfer sound to the ear
drum of a hearing impaired person.
III.IMPORTANT SAFETY
INSTRUCTIONS
3.1 CONTRAINDICATION
The device is not allow to use in the
following situations:
- Patients with chronic suppurative otitis
media, congenital ear atresia. (the
Read all the information in the instruc-
tion manual and any other literature
included in the box before use the device.
This hearing aid only be used for comp-
ensating the patients with hearing loss,
do not have any hearing therapeutic
value.
04 05
- First use may cause ear canal
appear temporary maladjustment, such
as slight pain.
information source，see the Attachment
5 for detailed.)
- Infants under 36 months old.
3.2 WARNINGS
- Keep small parts (hearing instrument,
battery and detachable parts) that can
be swallowed out of children’s reach. It
will do harm to them.
- Dropping, immersing in liquid, strong
electromagnetic fields or excessive
heat will damage the hearing aid. If
parts remain in the ear, please go to
see a doctor as soon as possible, do
not take it out by yourself.
- Do not take out the accessories when
it remains in your ear by chance.
Warning
Warning
06 07
- Remove the battery to avoid leakage
from a battery when you don’t use it.
- Remove the sealing on the positive
side of battery before loading. The
battery operates normally in about 1
minute after the sealing is removed.
- Open the battery compartment lid.
Load a battery compartment with
correct polarity, the plus mark＋on the
battery and the lid should be on the
same side.
- Close the battery compartment lid.
Waste batteries and hearing aids
should reserve and throw out accord-
ing to battery recycling management.
Could not throw it into fire.
-Batteries are harmful when swallowed.
Always store batteries out of reach of
children.
3.3 Notice
- Don’t use it at high volume for long
time. Otherwise it will injure your ear. If
you feel uncomfortable, please stop
using.
- Please maintain the products from
time to time, avoid ear plug and sound
collecting hole being blocked by
foreign objects. It will affect the effect
of sound amplifier.
- Avoid shocking or throwing the
product. Don’t keep or use it in
environment of humid of high
temperature （such as sauna room）.
Warning
08 09
- Don’t throw the scrapped battery as
common rubbish, it should be handled
by special equipment.
- Don’t use the product in potential
explosive or dangerous environment.
- Don’t use in an oxygen rich environ-
ment, and continue use hearing aid
long time
- Do not lend your hearing aid to other
persons. Using a hearing aid designed
for someone else can result in hearing
damage.
- Monitor any unusual skin reaction. In
some instances, wearing a hearing aid
can cause an allergic reaction leading
to itchiness or rashes. If you notice
any unusual skin condition, stop
wearing the hearing aid and see a
medical specialist.
- Do not touch the hearing aid to the
magnetic thing. Hearing aid may be
broken when it is touched to the
magnetic thing.
- Do not use it when it is not working
and please turn to VI to check the
possible case.
- DO not take it apart by yourself, it will
make a bad effect.
- Do not leave your hearing aid in a car,
when it is totally closed.
- Do not use the hearing aid together
with a cell phone.
- Radio wave emissions from mobile
IV.KNOW ABOUT YOUR DEVICE
1.Key components
A. Sound Collecting Hole
B. Volume Adjuster
C. O-N
D. Battery Cartridge
E. Ear Plug
“N” means “Power On”
“O” means “Power off”
“+” Positive electrode of Battery
“-” Negative electrode of Battery
“1~4” Volume grade, “1” Min,”4” Max
10 11
phones can cause noise in the hearing
aid 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 unexpect-
ed operation or events.
How to Use
Open the cartridge cover, put
the battery in correct
direction. Zinc Air Battery is
best choice and has longer
life.
1. Before use, make sure the
power is turn off, or make the
volume to “1”.
3. Turn on the power and
adjuster the sound volume to
get clear sound.
4. If you hear the whistling
sound, please check whether
you have plugged in the ear
plug tightly, please change
the other size plug.
2. Put the ear hook on your ear, plug in
the ear plug tightly. (Note: The unit is
on “off” position. And volume is on “1”,
otherwise the instant sound will make
you uncomfortable).
12 13
14 15
V.MAINTENANCE AND CLEAN
VI.TROUBLESHOOTING
6.1Daily maintenance
It is important to keep your instr-
ument 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 perspiration,
the use of a drying kit is
recommended.
6.2Care and maintenance
Operate the controls with care.
Do not press hard.
If the hearing aid is dropped in
water, wipe with dry cloth and
ask the dispenser for check.
Check the following if the device should
fail during operation.
Problem Cannot hear sound well
Cause
Remedy
1) Is the battery exhausted
1) Replace with a new battery.
16 17
Problem No sound
Cause
Remedy
Problem The sound is very weak and vague
Cause
Remedy
1) If you turn on the power.
2) If you fit the battery in correct direction.
3) If the battery power has been used up.
4) If the earphone is damaged.
5) If the lead is broken.
6) What to do if the hearing aid was
dropped in water?
7) If the hearing aid was accidentally
dropped in water or other liquid.
8) Never attempt to dry the hearing aid in a
microwave oven, a dish dryer, or with a
hair dryer. This may damage the
hearing aid.
1) Battery power isn’t enough.
2) If something is wrong with earphone.
3) Is the battery holder closed well?
1）Replace the new battery;
2）Contact your distributor;
3）Close the battery holder well.
Problem Volume level set too high
Cause
Remedy
If the receiver of the hearing aid does not
fit the ear properly, or a whistling
unpleasant noise may be heard(which is
caused by acoustic feedback).
1) Turn the hearing aid off and reposition it
properly in the ear.
2) If the receiver does not fit your ear
properly, try replacing it with another
type. The use of a correctly fitted ear
mold is recommended. Please consult
your hearing aid dispenser.
1) Turn on the devices;
2) Remove and re-install the battery;
3) Replace the new battery;
4/5) Contact your distributor;
6) Wipe off, then have it tested;
7) Carefully wipe it off with a soft, dry cloth.
Then have it tested by your hearing aid
dispenser as soon as possible.
Compliance with the user manual to use.
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VII.TECHNICAL SPECIFICATION
VIII.NORMALIZED SYMBOLS
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 Standard as IEC
60601-1, IEC 60601-2-66, IEC
60118-7, IEC 60118-13, EN ISO
10993-1/-5/-10 and EN ISO 14971.
Follow operating instructions
B type applied part
Disposal in accordance with
Directive 2002/96/EC (WEEE)
Model JH-115
Output. OSPL90 Max.
FOG50 MAX Gain
EQ Input Noise
≤133+3dB
≤37+3dB
≤33+3dB
320Hz-3200Hz
Frequency Range
(Not narrower than )
Working Current
Total Harmonic Distortion
Rated Volatage
Battery Size
≤4.5mA
≤7+3%
d.c 1.5v
LR754
10.1 Maintenance
1) We do not authorize any institution
or individual to maintain and repair
of the product. If you suspect that
the products have any problems,
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 equip-
ment is allowed!
20 21
IX.MAINTENANCE, STORAGE
AND DISPOSAL
Date of manufacture
Serial number
Manufacturer information: The
manufacturer is: Huizhou Jinghao
Medical Technology Co.,Ltd.
Shanghai International Holding
Corp. GmbH (Europe)
Address: Eiffestrasse 80,20537
Hamburg, Germany
Warning/ Danger: Improper use
might cause serious injuries.
Complies with the European
Medical Device Directive
(93/42/EEC and amended Directive
2007/47/EC. Notified Body is SGS
Belgium.
IP21
IP code of the device: this device’s
grade of against ingress of solid
foreign objects – the access probe
of ≥φ12.5mm shall not penetrate;
the grade of waterproof is vertically
falling drops shall have no harmful
effects.
X.GUARANTEE
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We grant you two year guarantee after
the date of purchase. Any damage cau-
sed by improper handling shall not be
covered by the guarantee. Batter and
packaging are also excluded from the
guarantee. All other damage claims
excluded. A guarantee claim must be
submitted with the purchase receipt.
Please pack your defective instrument
well and send with sufficient postage to
the distributor.
10.2 Storage
1)If you don’t use it, turn off the
hearing aid, take out the batteries,
and then put it into the storage box.
2)Don’t put the device under the
sunshine, high temperature and
moist environment or someplace
which maybe get in touch with fire
or is vulnerable to vibration.
3)Keep the device storage in follow-
ing environmental ranges:
-20~55℃, ≤95%RH, 700-1060hPa
10.3 Disposal
Please dispose of the device in
accordance with the directive
2002/96/EC – WEEE (Waste
Electrical and Electronic Equ-
ipment). If you have any
queries, please refer to the local
authorities responsible for waste dis-
posal.
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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, China.
Tel: +86-752-2266961
Website: www.jinghao.cc
Shanghai International Holding
Corp. GmbH(Europe) Eiffestrasse
80,20537 Hamburg, Germany
Tel：+49-40-2513175
Fax ：+49-40-255726
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