Woodpecker Ai Ray User manual

Contents
Preface------------------------------------------------------------------------- 1
1. Product introduction------------------------------------------------------ 1
2. Product installation and function description ------------------------- 3
3. Operation instruction ----------------------------------------------------- 5
4. Troubleshooting-----------------------------------------------------------11
5 Maintain maintenance-----------------------------------------------------12
6 X-ray tube characteristics ------------------------------------------------12
8 Storage, maintenance and transportation ------------------------------14
9. Environment protection --------------------------------------------------15
10. After-sales service-------------------------------------------------------15
11. Electromagnetic compatibility-----------------------------------------16
12 Symbol instruction-------------------------------------------------------21
13 Statement------------------------------------------------------------------22

1
Preface
Thank you for purchasing the Dental X-ray Device produced by Guilin
Woodpecker Medical Instrument Co., Ltd. Woodpecker is a high-tech
enterprise researching, developing, producing and selling Dental products,
and it owns a sound quality control system. Please read the full text of
the instruction manual carefully to ensure that you can use the equipment
correctly and safely.
1. Product introduction
1.1 Product introduction
This equipment is a portable Dental X-Ray Device, which is used to
photograph teeth and obtain the Dental image information.
Features of this equipment:
1) Small, light, easy for doctors to carry;
2) High quality and ecient user interface, making shooting easier;
3) Low radiation and high eciency, providing good user experience；
1.2 Model
Ai Ray
1.3 Conguration
Equipment conguration is detailed in packing list.
1.4 Software title and version
Ai Ray V1
1.5 Structure and components
This product is mainly composed of X-Ray tube, control system, exposure
handbrake, battery, power adapter and beam limiting equipment.
1.6 Scope of application
This product is used for X-Ray photography of teeth to obtain images for
clinical diagnosis.
1.7 Contraindications
Pregnant women and young children should not be exposed to the
environment for a long time when the product works.
1.8 Equipment safety classication
1. Type of operation mode: Continuous operation with intermittent loading
2. Type of protection against electric shock: Class II equipment
3. Degree of protection against harmful ingress of water: Ordinary
equipment (IPX0)
4. Degree of safety application in the presence of a ammable anesthetic

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mixture with air, oxygen, or nitrous oxide: Equipment can’t be used in the
presence of a flammable anesthetic mixture with air, oxygen, or nitrous
oxide.
1.9 Primary technical parameters
1. Power adapter input: ～100-240V 50/60Hz 1.5A
2. Internal power supply: DC 10.8V
3. Types of radiation: X-ray
4. Electric power:
Maximum power: 0.21kw（70kV, 3mA, 0.1s）
Nominal electric power: 0.21kw（70kV, 3mA, 0.1s）
5. Tube voltage: tube voltage output is xed at 70kV, error ±10%
6. Tube current: tube current output is xed at 3mA, error ±20%
7. Loading time: the exposure loading time adjustment range is 0.02s ～2s,
the grade is adjustable, the grade is selected according to R'10 numerical
system; with deviation ±(10%+1ms)
8. X-ray tube
a) X-ray tube model: D-045;
b) Focal spot: 0.4mm;
c) Target angle: 12.5°;
d) Total ltration: 1.5mmAl/70 kV;
e) Additional ltration: 0.5mmAl/70 kV
9. Distance from focus to skin: 20cm
10. Output radiation eld: Φ6cm±0.6cm
11. Product specications
Dimension: 114mm×363.8mm×245.6mm
Weight: 2.4KG
12. Battery specication
10.8V/2450~2500mAh ×2
1.10 Operation environment
Environment temperature: 10°C ~ 40°C
Relative humidity: 30% ~ 75%
Atmospheric pressure: 70kPa ~ 106kPa
1.11 Transportation and storage condition
Storage temperature: -20°C ~ 55°C
Transportation temperature: -20°C ~ 55°C
Relative humidity: 10% ~ 93%
Atmospheric pressure: 70kPa ~ 106kPa

3
2. Product installation and function description
2.1 Schematic diagram of the whole machine
Figure 1 Schematic diagram of Dental X-Ray Device
2.2 Accessories installation
2.2.1 Installation area
Take out all the parts from the packing box. Be careful not to drop or
damage the equipment.
2.2.2 Power adapter installation
Take out the power adapter and power line from the packing box and
connect them as shown in the gure.

4
[Note] Only the power adapter and power line provided with the equipment
can be used
2.2.3 Exposure handbrake
2.3 Installation
Figure 3 Exposure hand brake
Note: ①wired connection mode: Long press the switch of exposure hand
brake, the exposure starts light on.
2.2.4 Functions of the control panel
Figure 4 Control panel

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Table 1
S/ N Icons Function
1Selection of equipment: equipment of image receptor
for Digital Intraoral X-ray Imaging System, lm and
image plate scanner (IP image plate)
2Selection of human body: The patients shot include
adults/ children
3Selection of tooth position : selection of tooth position
shot.
4Connection mode: Wired connection mode of the
exposure handbrake
5Battery power: display of battery power
6Setting function
7Display of shooting angle
8Display of X-ray exposure time
9
Indication of X-ray exposure status (normal (no
color): not ready, green color: ready, yellow color:
being exposed)
10 Time setting of X-ray exposure , “-” decreases time
of exposure , “+” increases time of exposure
3.3.2 Description of Eective Occupied Area
The operator should designate any valid occupied area in the place of use,
the oor size should not be less than 60cm×60cm, and the height should
not be less than 200cm.
3. Operation instruction
The user of the medical device must comply with the requirements of
the relevant operating regulations and relevant regulations of the medical
department, and is limited to the use of trained doctors or technicians.
3.1 Preparation before shooting
1. Turn on the Dental X-ray power switch, the LCD screen lights up,
accompanied by a beeper "di" sound prompt;
2. Check the battery of the equipment to ensure the normal operation of the

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equipment;
3. Select the human body, tooth position and the equipment mode;
4. Adjust the exposure time. The system has a default exposure time, or
adjust the shooting time as required;
5. Prepare lm or image plate scanner (IP image plate) or Digital Intraoral
X-ray Imaging System (sensor).
3.2 Shooting images
1. A high-quality equipment of image receptor (lm or IP image plate or
sensor) in a sealed protective bag will be put in the patient's mouth, parallel
to the longitudinal axis of the tooth. The eective surface of the equipment
of image receptor is facing the tooth;
2. Move the Dental X-Ray Device to the teeth on the patient's face and
adjust the position of the equipment and the patient according to the angle
displayed on the screen;
3. Ensure that the light cone of the equipment of image receptor is
perpendicular to the position of the IP image plate, press the X-ray
machine shooting switch; the exposure key should be pressed for the
whole process until the "di" sound prompt of the beeper occurs;
4. When the exposure is finished and the image is taken successfully,
remove the equipment of image receptor from the patient's mouth.
3.3 Shooting angle
3.3.1 Photograph angle reference values
Keep the patient in the correct sitting position and adjust the correct
shooting angle of the Dental X-Ray Device. The photograph angle
reference values are as follows:
Tooth position X - ray tilt direction Angle of tilt
Maxillary incisor position Downtilt +42°
Maxillary single canine position Downtilt +45°
Maxillary bicuspid and rst molar Downtilt +30°
Maxillary second and third molars Downtilt +28°
Mandibular incisor position Uptilt -15°
Mandibular single canine position Uptilt -18°~ -20°
Mandibular bicuspid and rst molar Uptilt -10°
Mandibular second and third molars Uptilt -5°
3.4 Software Operation Instructions
This chapter introduces the front panel of the Dental X-Ray Device, which
visually displays the operation interface, so that the operator can better use
the machine.

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3.4.1 Mode function
When dierent modes of the equipment, tooth positions and human bodies
are selected, the control panel automatically displays the exposure time.
1. Equipment Mode
Click the icon of equipment selection in the arrow indication in Figure 5
to enter the equipment interface as shown in Figure 6. Select the required
equipment of image receptor, and the corresponding area of the equipment
is displayed in blue. After the selection is successful, it will automatically
exit to the interface in Figure 5, and the device selection icon will change
to the corresponding device icon.
Figure 5
Figure 6
2. Human Body Mode
After selecting the equipment mode, select human body mode. Click
the human body selection icon indicated by the arrow in Figure 7 to
switch back and forth between adult and child modes. Different human
body models can be selected according to the age of the patient. After
the selection is successful, the human body model area will display the
corresponding options.

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Figure 7
Table 2 Human Body Mode
Icons Mode
Adult Mode
Child Mode
3. Tooth Position Mode
Click the tooth position selection icon indicated by the arrow in Figure 8
, enter the interface of the tooth position as shown in Figure 9. Select the
tooth type to be shot, and the corresponding area of the tooth is displayed
in blue. After the selection is successful, it will automatically exit to the
interface in Figure 8, and the tooth position selection icon will change to
the corresponding tooth position icon.
Figure 8

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Figure 9
3.4.2 Setting function
Click the setting icon indicated by the arrow in Figure 10 to enter the
setting interface. Different languages and factory modes can be set as
shown in Figure 11. After the setting is successful, it
will automatically exit to the Figure 10 interface.
Figure 10
Figure 11
3.4.3 Setting of exposure time
If there is required to change the exposure time, click the “±” button to

10
adjust the exposure time from 0.04 second to 1 second. The exposure time
can be adjusted from 0.04 seconds to 1 second in 15 steps.
3.4.4 Exposure
1. Long press the exposure switch of Dental X-Ray device to carry out
exposure. See Table 3 for dierent states of exposure icons on the screen.
2. Long press the exposure button on the exposure handbrake to carry out
exposure. During exposure, the exposure indication light of the exposure
handbrake will be on. See Table 3 for dierent states of the exposure icon
on the screen.
Table 3
Exposure icon State
Not ready
Being exposed
Ready
3.5 Charging and battery maintenance
3.5.1 Charging
1. Connect one end of the charger to the charging port of the equipment
and the other end to the power supply of the network (100-240V, 50/60Hz);
2. When charging, the equipment displays the charging icon, and when
charging is nished, the battery is charged fully;
3. Disconnect the power supply and the charger when the charging is
complete;
4. A single charge takes about 4 hours.
3.5.2 Battery maintenance
1. When the machine is not in use, the power switch should be turned o
to save electrical energy;
2. Please use the original charger to charge;
3. Separate the battery from the equipment when it is not used for a long
time, and charge it once every three months;
4. Keep the electrical energy more than 20%;
5. High position and single charge over 12 hours should be avoided;
6. Avoid exposing the battery to high temperature or re, and avoid direct
sunlight when storing the battery.
7. If you find that the battery life cannot meet the needs of use, please
contact the manufacturer and authorized dealers in time to replace the new
battery.Notes

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3.6 The Dental X-Ray Device shall never be used in the presence of
ammable anesthetic gas, pure oxygen or nitrogen oxide to avoid any risk
of explosion.
3.7 Patients and operators are advised to wear radiation protector when
taking X lms; and the distance between the operators and Dental X-Ray
Device components should be ≥2m.
3.8 Dental X-Ray Device and its accessories have been designed and
developed to ensure the highest level of safety and performance. The use
of accessories not provided by the original manufacturer may pose a risk
to patients, users or the equipment itself;
3.9 The equipment complies with the IEC 60601-1 standard. Only
peripheral equipment conforming to IEC 60950-1 can be connected to it so
as to avoid any risk of failure of the Dental X-Ray Device.
3.10 Our company is specialized in the production of medical equipment.
We are responsible for the safety of the equipment only when the
maintenance, repair and modification of the machine are carried out by
our company or by our authorized dealers, and the replacement parts
are our Woodpecker accessories and operated according to the operating
instructions.
3.11 Other safety information can be found in each chapter of this
instruction manual. Please read the whole manual carefully.
3.12 In order to ensure safe and correct operation and use of the Dental
X-Ray Device, it is quite important to use the charger provided by the
equipment. The power line of the Dental X-Ray Device can only be
replaced by the same type of line.
3.13 Due to the electromagnetic compatibility of X-ray generator, other
equipment nearby may be affected during the use. There is a risk of
malfunction of nearby equipment.
3.14 Due to electromagnetic compatibility, the use of other equipment may
interfere with the our product.
4. Troubleshooting
Fault Reason Solution
Exposure button is not
pressed all the time
during exposure
Press the exposure button
once and use it after the
warning disappears

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The temperature of
equipment is too high
Equipment is cooled down
before use
The voltage of
equipment is too high
Restart the machine, if the
fault still exists, please
contact the manufacturer
If the above methods can not eliminate the fault, please contact the
distributor to return the equipment to the manufacturer for handling. Do
not try to open the casing of this equipment and repair it yourself.
5 Maintain maintenance
Before the rst use of this equipment, a complete cleaning procedure must
be followed. The Dental X-Ray Device should be disconnected from the
power supply before cleaning and disinfection each time.
5.1 Cleaning
a) Wipe the shell of the product and the head of the X-ray machine with
non-abrasive materials (gauze and soft cloth) dipped with detergent, and
pay attention not to allow liquid to ow into the equipment;
b) Dry the equipment with a clean, dry and soft cloth.
5.2 maintainance
a) Immerse a piece of clean dry gauze in 70% -80% ethanol disinfectant,
and then wipe the disinfected parts twice with soaked dry gauze;
b) Dry the equipment naturally or with a clean, dry and soft cloth.
Caution: Do not use the following methods of disinfection
a) Do not use organic solvents or corrosive cleaning products to clean the
Dental X-Ray Device;
b) Do not spray detergent directly on the Dental X-Ray Device;
c) Do not use organic solvent or corrosive disinfectant to disinfect the
Dental X-Ray Device;
d) Do not spray disinfectant directly on the Dental X-Ray Device;
6 X-ray tube characteristics
Filament voltage: 3.0-3.7V
Maximum lament current: 3.0A

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Filament frequency: DC/ AC sine wave (0-20kHz)
Nominal anode input power: 585W (1s)
Anode heat capacity: 4300J
Maximum anode heat dissipation: 100W
Overall dimension and wiring: as shown in Figure 12
Maximum rated value: as shown in Figure 13
Thermal characteristics: see Figure 14
Filament and emission characteristics: see Figure 15
Figure 12 Mechanical dimension machine wiring
Figure 13 Maximum rating diagram

14
Figure 14 X-ray tube anode heating and cooling curve
Figure 15 Filament and emission characteristic curve
8 Storage, maintenance and transportation
8.1 Storage/ maintenance
1) The equipment shall be handled with care, away from the hypocenter,
and shall be installed or stored in a cool, dry and ventilated place.
2) Do not store with toxic, corrosive, ammable and explosive substances.
3) When the equipment is not used for a long time, turn off the power
switch and unplug the power plug.
4) The product shall be stored in an environment with relative humidity of
10% -93%, atmospheric pressure of 70kPa ~ 106kPa and temperature of
-20 °C ~ + 55 °C.
5) Inspect the equipment for scratches, wear and other mechanical
scratches or damage after each use.
8.2 Transportation
1) Avoid excessive shock and vibration during transportation, and handle

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with care to avoid inversion;
2) It shall not be mixed with dangerous goods during transportation;
3) Avoid sun exposure or rain and snow immersion during transportation;
9. Environment protection
This equipment can’t be disposed of as household waste. Therefore,
this equipment should be placed in a special recycling place for waste
electronic medical equipment. For more detailed information about
equipment disposal and recycling, please contact the Dental equipment
dealer.
Part Toxic or harmful substances or elements
(Pb) (Hg) (Cd) (Cr6+) (PBB) (PBDE)
Power adapter ○○○○○○
Main unit ○○○○○○
Mechanical
elements,
including bolts,
nuts, washers, etc.
○○○○○○
○: Indicates that the content of the toxic substance in all homogeneous
materials of the part is below the limit requirement stipulated in SJ/T-11363-
2006 “Marking for Control of Pollution Caused by Electronic Information
Products”.
×: Indicates that the content of the toxic substance in at least one of the
homogeneous materials of the part exceeds the limit requirement specied in
SJ/T-11363-2006.
(This product meets EU RoHS environmental protection requirements;
there is currently no mature technology in the world to replace or reduce
the content of lead in electronic ceramics, optical glass, steel and copper
alloy.) According to the “Administrative Measures on the Restriction of the
Use of Hazardous Substances in Electric and Electronic Products” and the
“Regulations on the Administration of the Recycling and Disposal of waste
Electrical Appliances and Electronic Products” and related standards, please
observe the safety and precautions of the products, and please recycle or
dispose this product according to the methods in local laws and regulations
after use.
10. After-sales service
Since the date of sale, if the equipment fails to work normally due to
quality problems, our company will be responsible for the maintenance

16
based on the warranty card. Please refer to the warranty card for the
warranty period and scope. This product does not contain self-maintained
parts, and the maintenance of this equipment should be carried out by
designated professionals or special repair shops.
11. Electromagnetic compatibility
For this equipment, special precautions regarding electromagnetic
compatibility (EMC) must be taken, and the installation and use
must be performed according to the electromagnetic compatibility
information specied in this manual. Portable and mobile radio frequency
communication equipment may affect this equipment. The following
cables must be used to meet electromagnetic emission and anti-interference
requirements:
Name Cable length Shielded or not Remark
Power adapter cable 1.2m No /
DC cable 1.5m No /
Connection line of exposure
handbrake
8.0m No /
In addition to cables (transducers) sold as spare parts of internal
components, the use of accessories and cables (transducers) other than
those specied may result in increased emission or reduced immunity of
the equipment or system.
The equipment or system should not be used close to or stacked with other
equipment. If it is required to be used in this way, it should be observed to
verify that it can operate normally under the conguration used.
11.1 Guidance and manufacturer’s declaration-electromagnetic emission
Guidance and manufacturer’s declaration-electromagnetic emission
The Dental X-Ray Device is intended for the use in the electromagnetic
environment specied below. The customer or the user should assure that it
is used in such an electromagnetic environment.
Emission test Compliance Electromagnetic environment-guidance
RF emission
CISPR 11 Group 1
The Dental X-Ray Device uses RF
energy only for its internal function.
Therefore, its RF emissions are very
low and are not likely to cause any
interference to nearby electronic
equipment.

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RF emission
CISPR 11 Group B The Dental X-Ray Device is suitable
for used in all establishments,
including domestic establishments and
establishments directly connected to
the public low-voltage power supply
network that supplies buildings used for
domestic purposes.
Harmonic emission
lEC 61000-3-2 Group A
Voltage uctuation/
icker emission
lEC 61000-3-2
Complied
11.2 Guidance and manufacturer’s declaration-electromagnetic immunity
Guidance and manufacturer’s declaration-electromagnetic immunity
The Dental X-Ray Device is intended for the use in the electromagnetic
environment specied below. The customer or the user should assure that it
is used in such an electromagnetic environment.
Immunity test Test level Compliance
level
Electromagnetic
environment - guidance
Electrostatic
discharge lEC
61000-4-2
±6kV contact
discharge
±8kV air
discharge
±6kV contact
discharge
±8kV air
discharge
Floors should be wood,
concrete or ceramic tile.
If oors are covered with
synthetic material, the relative
humidity should be at least 30
%.
Electrical fast
transient/burst
IEC 61000-4-
4
±2kV for
power supply
lines
±1kV for
input/output
lines
±2kV for
power supply
lines
±1kV for
input/output
lines
Mains power quality should be
that of a typical commercial or
hospital environment.
Surge
IEC 61000-4-
4
±1kV DMV
±2kV CMV
±1kV DMV
±2kV CMV
Mains power quality should be
that of a typical commercial or
hospital environment.

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Voltage
dips, short
interruptions
and voltage
variations on
power supply
input lines
IEC 61000-4-
11
<5% UT
(>95% dip in
UT.) for 0.5
cycle 40 %
UT (60% dip
in UT.) for 5
cycles 70 %
UT (30% dip
in UT.) for 25
cycles 95%
dip in UT.) for
5s
<5% UT
(>95% dip in
UT.) for 0.5
cycle 40 %
UT (60% dip
in UT.) for
5cycles 70 %
UT (30% dip
in UT.) for
25cycles 95%
dip in UT.) for
5s
Mains power quality should be
that of a typical commercial
or hospital environment. If
the user of the Dental X-Ray
Device requires continued
operation during power
mains interruptions, it is
recommended that the Dental
X-Ray Device be powered
from an uninterruptible power
supply or a battery.
Power
frequency
magnetic eld
(50Hz) lEC
61000-4-8
3A/m 3A/m
Power frequency magnetic
elds should be at levels
characteristic of a typical
location in a typical
commercial or hospital
environment.
NOTE: UTrefers to the AC mains voltage prior to application of the test
level.
11.3 Guidance and manufacturer’s declaration-electromagnetic immunity
Guidance and manufacturer’s declaration-electromagnetic immunity
The Dental X-Ray Device is intended for the use in the electromagnetic
environment specied below. The customer or the user should assure that it
is used in such an environment.
Immunity
test Test level Compliance level
Electromagnetic
environment - guidance