Youkey P50 User manual

Pocket Ultrasound System
Instruction manual
Model: P50
GuangDong Youkey Medical Co., Ltd.
IMPORTANT！
Read and understand this manual before operating
the equipment. After reading, keep this manual in an
easily accessible place.

2
Contents
Maintenance and repair service.........................................................................................................5
Intellectual Property Statement................................................................................................6
Version information .....................................................................................................................6
Product Information ....................................................................................................................6
After-sales service unit: .............................................................................................................7
1Safety precautions.....................................................................................................................8
1.1 Security classification .....................................................................................................8
1.2 Symbol definition............................................................................................................8
1.3 Security symbol...............................................................................................................8
1.4 Safety warning information.............................................................................................9
1.5 WARNING Labels ........................................................................................................11
2Product overview ....................................................................................................................11
2.1 Intended use ..................................................................................................................11
2.2 Contraindication............................................................................................................11
2.3 Product specifications ...................................................................................................11
2.3.1 Imaging mode .....................................................................................................11
2.3.2 Software version information..............................................................................12
2.3.3 Software running IT environment .......................................................................12
2.3.4 Power condition ..................................................................................................12
2.3.5 Environment condition........................................................................................12
2.3.6 Probe outline dimensions and weight..................................................................13
2.4 system configuration .....................................................................................................14
2.4.1 Standard configuration........................................................................................14
2.4.2 Components ........................................................................................................14
2.5 Symbols description......................................................................................................15
2.6 Introduction of each component of the system .............................................................16
2.7 Control panel.................................................................................................................17
2.8 Basic interface...............................................................................................................18
2.8.1 Android application interface..............................................................................18
2.8.2 Windows application interface............................................................................20
2.9 Information security......................................................................................................22
2.9.1 Forget password ..................................................................................................22
2.9.2 User classification ...............................................................................................22
2.9.3 Password setting..................................................................................................22
2.10 Indicator light................................................................................................................22
3Basic introduction ...................................................................................................................23
3.1 Working power supply ..................................................................................................23
3.2 Turn on / off probe ........................................................................................................24
3.2.1 Turn on probe......................................................................................................24
3.2.2 Turn off the probe................................................................................................25
3.2.3 Change the detachable transducer.......................................................................25
3.3 Connection ....................................................................................................................25

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3.3.1 Wifi Connection ..................................................................................................25
3.3.2 USB Connection .................................................................................................25
4Detailed operation introduction...............................................................................................26
4.1 Image mode...................................................................................................................26
4.2 Image parameter adjustment .........................................................................................26
4.3 Parameters adjustment for B mode ...............................................................................27
4.3.1 B mode image parameter ....................................................................................27
4.3.2 B mode image optimization ................................................................................27
4.4 Parameters adjustment for M mode ..............................................................................30
4.4.1 M mode image parameter....................................................................................30
4.4.2 M mode image optimization ...............................................................................30
4.5 Parameters adjustment for Color mode.........................................................................32
4.5.1 Color mode image parameter..............................................................................32
4.5.2 Color mode image optimization..........................................................................33
4.6 Parameters adjustment for Power mode........................................................................34
4.6.1 Power mode image parameter.............................................................................34
4.6.2 Power mode image optimization.........................................................................35
4.7 Parameters adjustment for PW mode ............................................................................35
4.7.1 PW mode image parameter .................................................................................36
4.7.2 PW mode image optimization .............................................................................36
5Measurements .........................................................................................................................40
5.1 Conventional measurements .........................................................................................40
5.1.1 2D Conventional measurements..........................................................................40
5.1.2 Conventional measurements in M mode.............................................................41
5.1.3 Conventional measurements in Doppler mode ...................................................41
5.2 Special measuring package ...........................................................................................41
6Cineloop/annotation/body mark..............................................................................................42
6.1 Cineloop........................................................................................................................42
6.1.1 Cineloop playback...............................................................................................42
6.1.2 Save Cineloop .....................................................................................................42
6.2 Annotation.....................................................................................................................42
6.3 Body mark.....................................................................................................................42
7Probe .......................................................................................................................................43
7.1 Probe description...........................................................................................................43
7.1.1 Probe type ...........................................................................................................43
7.1.2 Probe composition...............................................................................................43
7.1.3 Probe performance index ....................................................................................43
7.2 Probe cover ...................................................................................................................46
7.3 Check up and maintenance............................................................................................46
7.3.1 Check up .............................................................................................................46
7.3.2 Service life ..........................................................................................................47
7.3.3 Probe maintenance ..............................................................................................47
7.4 Cleaning and disinfection..............................................................................................48
7.5 Disassembly and assembly...........................................................................................51

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8Puncture guide.........................................................................................................................52
8.1 Enter or exit puncture mode..........................................................................................52
8.2 Puncture lead calibration...............................................................................................52
9Acoustic output description.....................................................................................................53
9.1 Biological effect ............................................................................................................53
9.2 Caution use declaration.................................................................................................53
9.3 ALARA principle(As Low As Reasonably Achievable)...............................................53
9.4 MI/TI description ..........................................................................................................54
9.4.1 Basic knowledge of MI and TI............................................................................54
9.4.2 MI/TI display instructions...................................................................................55
9.5 Sound power settings ....................................................................................................55
9.6 Acoustic power control .................................................................................................56
9.7 Acoustic output description...........................................................................................57
9.7.1 Damping output parameter..................................................................................57
9.7.2 Acoustic output limit...........................................................................................57
9.7.3 The difference between the actual MI/TI value and the display value................57
9.8 Uncertainty of measurement .........................................................................................58
9.9 Reference literature for sound power and its safety ......................................................58
9.10 Transducer surface temperature ...................................................................................59
10 Electromechanical safety standards ........................................................................................60
Appendix A Names and contents of toxic and hazardous substances or elements.........................66
Appendix B Acoustic output data ..................................................................................................67

5
Introduction
This manual describes the operation of the ultrasonic diagnostic equipment. In order to
ensure the safe operation of the system, please read and understand the contents of the
manual before using the system.
The company reserves the right to change the contents of the instruction manual without
prior notice.
Important statement!
1. Any part of the contents of this manual shall not be copied or copied prior to the
written permission;
2. It is forbidden to modify the software or hardware of this product;
3. The scanner can provide the doctor with the image and data needed for clinical
diagnosis, and the doctor is responsible for the diagnostic process;
4. Quality assurance does not include the following, even within the warranty period：
(1) Damage or loss caused by improper installation or environmental conditions that
do not meet the requirements;
(2) Damage or loss caused by the supply voltage exceeding the specified range;
(3) Damage or loss caused by components purchased from other company or its
unauthorized distributor;
(4) Damage or loss caused by using the scanner not in the original purchased place.
(5) Damage or loss caused by maintenance of non authorized personnel of the
company;
(6) Damage or loss caused by force majeure such as fire, earthquake, flood or
lightning;
(7) Damage or loss caused by misuse;
(8) Failure caused by other things, not the product itself.
Maintenance and repair service
Main unit is 2 years, and the probe head is 1 year. The warranty period from the product
warranty card fill in the attached "date of installation" date, the warranty card is the only
certificate calculation warranty period.

6
Within the warranty period, the product is provide with free customer service; but please
note that even in the warranty period, due to the reasons on the page "important
statement" caused by the products need maintenance, the company will charge
maintenance services, you need to pay the cost of maintenance and spare parts costs.
After the expiration of the warranty, the company can provide maintenance services.
It should be noted that if you do not pay or delay the payment of maintenance costs, the
company will temporarily suspend maintenance services until you pay.
We hereby declare that you must familiarize yourself with the operating instructions
before use and operate and use it in strict accordance with the requirements and
methods of operation of the operating instructions. The Company does not assume any
responsibility for safety, reliability and performance assurance due to any abnormality
caused by operation, use, maintenance and storage in accordance with the requirements
of this manual.
Operation taboo:
Danger ※ Do not modify this equipment, including equipment components,
software, cables and so on. User modifications may result in security problems or
reduced system performance. All modifications must be completed by the personnel
approved by the company.
Intellectual Property Statement
This specification and the intellectual property rights of the products are owned by the
company. No individual or organization may copy, modify or translate any part of this
manual without the written consent of the company
Version information
The version of this instruction is as follows:
Version number: 1.0
Issue date: January 2021
Document No: JL-YF-57-1000-A(EN)-1.0
Product Information
Product name:Pocket ultrasound system
Product Model: P50
Name of the registrant: GuangDong Youkey Medical Co., Ltd.

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Registered address: Unit 601,6/F,Block B,Building 1,B1 District,Hantian Technology
City,Dongping Road,Pingxi Shanghai Village,Guicheng Street,Nanhai District,Foshan
City,Guangdong Province,528200,China
Production enterprise name: GuangDong Youkey Medical Co., Ltd.
Production address (residence): Unit 601,6/F,Block B,Building 1,B1 District,Hantian
Technology City,Dongping Road,Pingxi Shanghai Village,Guicheng Street,Nanhai
District,Foshan City,Guangdong Province,528200,China
Contact photo: 0757-86258600
After-sales service unit:
Company Name: GuangDong Youkey Medical Co., Ltd.
Address: Unit 601,6/F,Block B,Building 1,B1 District,Hantian Technology City,Dongping
Road,Pingxi Shanghai Village,Guicheng Street,Nanhai District,Foshan City,Guangdong
Province,528200,China
After-sales service Tel: [phone]
other:
Company website: www.youkeymedical.com
WeChat public number: Youkey

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1Safety precautions
1.1 Security classification
⚫According to the type of anti electric shock:
Internal power supply, where the adapter is Class 1;
⚫According to the degree of anti electric shock:
Type BF application part;
⚫According to the protection degree of harmful liquid:
The Main unit is IPX4;
⚫According to the working mode:
Continuous working equipment.
⚫According to the degree of safety in the presence of flammable anesthetic mixture
with air or oxygen or nitrous oxide:
Equipment not suitable for use in the presence of a flammable anesthetic mixture
with Air or with Oxygen or Nitrous Oxide.
1.2 Symbol definition
In this manual, “ DANGER”, “ WARNING”, “CAUTION”is used to indicate the safety
and other important matters, and their specific meanings are as follows.
Symbols and
vocabulary
Meaning
DANGER
Indicates that a hazardous situation may occur and, if not
avoided, may result in death or serious injury.
WARNING
Indicates that a potentially hazardous situation may occur and, if
not avoided, may result in death or serious injury.
CAUTION
Indicates that the risk may occur, if not avoided, may cause
property damage.
1.3 Security symbol
Security
symbol
Detailed description
Type BF application part
Description: all the ultrasonic probes connected to the system are part
of the BF application.
"Be careful" indicates what should be noted. Be sure to read the
instructions carefully before using the system.
IPX4
There is no harmful effect if the liquid is splashed into the shell from
any direction.
Non-ionizing electromagnetic radiation.

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1.4 Safety warning information
In order to ensure the safety of the patient and the operator, the following safety rules
should be strictly observed in the use of the wireless ultrasonic probe.
DANGER
Do not use the scanner in an environment containing
combustible gas, such as an anesthetic gas, hydrogen, or
flammable liquid, such as ethanol. It may cause an explosion.
WARNING
1.
Do not disassemble the ultrasonic probe, which may cause
electric shock.
2.
Use the original power cable, or charging the scanner may
cause electric shock.
3.
Use the probe carefully, if the probe is scratched with the
contact surface of the human body, immediately stop using
the probe and contact the service representative. If you use a
scratched probe, there is a risk of electric shock.
4.
Every time you use the instrument must be checked for safety,
do not let the probe by the impact of damaged ultrasound
probe may cause the patient to be shocked.
5.
Before performing an ultrasound check, check the
surroundings to ensure safe use within the environment. Do
not operate the unit in an environment with flammable or
explosive liquids, vapors or gases such as oxygen or
hydrogen.
6.
Use sterilized ultrasound cover when doing gynecology
exam.
7.
Do not immerse the ultrasonic probe Type-C interface or
above in water or disinfectant. Because the Type-C interface
of the ultrasonic probe does not have a waterproof function,
this may cause an electric shock or a probe malfunction.
8.
Make sure the transducer is in good status before and after
each exam. The defective transducer may cause electric
shock.
9.
Choose different transducer based on the exams. You can
only use the transducer provided by the manufacturer.
10.
In order to ensure safety, the charging of the system can only
be carried out in the state of shutdown, and the charging is
not allowed under the power-on state.
11.
The Pocket ultrasound system does not support the contrast
- enhanced sonography

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CAREFUL
1.
Matters needing attention in clinical examination
technology：
➢This equipment can only be operated by qualified
medical personnel.
➢This manual does not introduce a clinical
examination technique. It is necessary to select the
correct inspection techniques according to the
professional training knowledge and clinical
experience.
2.
Do not scan fetal, newborn baby or pregnant woman for a
long time.
3.
Please follow the ALARA principle during ultrasonic
diagnosis, especially in the examination of pregnant women,
fetuses and newborns. The sound power can be reduced as
much as possible when satisfactory clinical images can be
obtained.
4.
If the APP software fails during installation or use, please
promptly provide feedback to the after-sales maintenance
personnel to avoid misdiagnosis.
5.
The APP software will be upgraded from time to time, and
new updates will be submitted by the developer. If you want
a better experience, please pay attention to download and
upgrade.
6.
Do not use incompatible coupling agents, disinfectants,
probe protective cover, probe, puncture rack.
7.
Sterile gloves must be worn to prevent infection when using
ultrasonic probes.
8.
You must use a sterile ultrasound coupling agent. Use a
coupling agent that is in compliance with local regulatory
requirements. In addition, it is necessary to properly manage
and use the ultrasonic coupling agent to ensure that it does
not become a source of infection.
9.
Normal ultrasound does not cause burns at room
temperature; however, if the probe is placed in the same
position for a long time, the patient may be burned.
10.
The probe cover is made of natural rubber and is used with
caution for natural rubber allergy.
11.
During the examination, the temperature of the Transvaginal
transducer lens surface should be lower than 43°C.
CAUTION
1.
In order to prevent abnormal probe function, read the
following safety precautions:
After each ultrasonic examination, the ultrasonic coupling
agent on the surface of the probe should be thoroughly
cleaned. Otherwise, the ultrasonic coupling agent will be
solidified on the probe head, which will affect the quality of
the ultrasound image.
The probe should be cleaned and disinfected before and after
each ultrasonic examination.

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1.5 WARNING Labels
The system has a variety of identification to cause the user to pay attention to the
potential danger. The symbol on the warning sign indicates the precautions for
system security.
The instructions explain in detail the meaning of these warning signs. Read the
instructions carefully before using the system.
2Product overview
2.1 Intended use
Pocket Ultrasound System is intended for use by a qualified physician for ultrasound
evaluation. Specific clinical applications and exam types include: Abdominal, Obstetrics,
Gynaecology, Small Parts (breast, thyroid, etc), Peripheral Vascular, Urology.
2.2 Contraindication
Pocket Ultrasound System is not intended for ophthalmic use or any use
causing the acoustic beam to pass through the eye.
2.3 Product specifications
2.3.1 Imaging mode
B mode
M mode
C mode
2.
Ambient environmental requirements:
Please use the ultrasonic probe in the specified environment:
➢ambient temperature：0℃～ 37℃
➢relative humidity：30% ～ 85%（No condensation）
➢Atmospheric pressure：70KPa ～ 106KPa
To prevent damage to the ultrasonic probe, do not expose the
probe to the following environment：
➢Place where the sun shines
➢A place where the temperature changes dramatically.
➢A place filled with dust
➢Easy to vibrate place
➢Place near the heat source
3.
Repeated disinfection will lead to the safety and performance
of the probe, the performance of the probe should be regularly
checked.

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PW mode
Power mode
2.3.2 Software version information
a) Embedded software(Firmware) release version: 1.0.0
b) Controlled software(APP) release version:
—Android platform Software version: V1.0.0
—Windows Platform software version: V1.0.0.
—Get software from the USB flash disk with the unit.
2.3.3 Software running IT environment
Software Environment
Network
bandwidth
<500KBbps
Port
8080-8084
IP range
192.168.254.10-192.168.254.200
Operating system
WindowsXP/7/8/10 or Android5.0 or above
Antivirus software
1.Windows system is recommended to install the top anti-virus
software, such software takes up less resources, runs
smoothly, and does not conflict, enough to protect system
security.
2.The general Android system brand equipment has built-in
security procedures, no need to download; if the original
system does not have its own security software, it is
recommended to download some of the top anti-virus software
to ensure system software security.
Antivirus
frequency
It is recommended to perform anti-virus once a week to protect
the system.
2.3.4 Power condition
Internal Battery (7.4V 1300mAh)
Charging power input: DC 5V/2A
Note: Can not work when charging.
2.3.5 Environment condition
Work environment
Storage and transportation
environment

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Ambient
temperature
0℃～37℃
-20℃～+55℃
Relative humidity
30%～85% (No
condensation)
30%～93% (No condensation)
Atmospheric
pressure
860hPa～1060hPa
700hPa～1060hPa
2.3.6 Probe outline dimensions and weight
Net weight: 50g (R50) (C5-2Fs)
Convex array size: 53mm (L) * 28mm (W) * 38mm (thickness)
Net weight: 70g (R60) (C5-2Ks)
Convex array size: 73mm (L) * 28mm (W) * 38mm (thickness)
Net weight: 30g (L40) (L11-4Ks)
Linear array size: 55mm (L) * 28mm (W) * 30mm (thickness)
Net weight: 20g (L25) (L11-4Gs)
Linear array size: 41mm (L) * 28mm (W) * 30mm (thickness)
WARNING：
Transportation:
Do not use or store the system outside the specified
environmental conditions.
Working:
1.Make sure the scanner is been held firmly, or it will drop and hurt
the patient.
2.Use the scanner in a dry environment, the operation of
environmental temperature and humidity changes, may lead to
liquid condensation in the circuit board, there is the risk of short
circuit.
3.Do not operate the unit in an environment with flammable or
explosive liquids, vapors or gases such as oxygen or hydrogen.
Do not use the scanner in an environment containing combustible
gas, such as an anesthetic gas, hydrogen, or flammable liquid,
such as ethanol. It may cause an explosion..
A. If there are flammable substances in the environment, do not
use the scanner.
B. Use the real-time detection environment to detect flammable
substances after the system is turned on. Do not attempt to turn
off the device or unplug the power supply. First empty the air in
the area and ensure a smooth ventilation and then turn off the
power.
4. If the system fails, please do not disassemble the scanner,
please contact the service center or your sales representative.

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Net weight: 20g (R15) (C8-5Ks)
Microconvex array size：41mm(L)*28mm(W)*32mm(thickness)
Net weight: 50g (R10) (E10-4Ks)
Endocavitary array size：212mm(L)*41mm(W)*28mm(thickness)
2.4 system configuration
The system is mainly composed of main unit equipment, transduser and application
(Android/Windows platform ).
The configurable probe model is: C5-2Fs(Convex array), C5-2Ks(Convex array), L11-
4Ks(Linear array), L11-4Gs(Linear array), C8-5Ks(Microconvex array), E10-
4Ks(Endocavitary array).
2.4.1 Standard configuration
➢Main unit: 1 set
➢Appendix
Application
Operation manual
2.4.2 Components
2.4.2.1 Optional Transducer
Transducer
model
Type of
Transducer
Intended
use
Applicable
site
Center
frequency
Frequency
range
C5-2Fs
Large
convex
transducer
Gynecology
and
obstetrics,
abdominal
kidney
body
surface
3.5MHz
2.0~5.0MHz
C5-2Ks
Large
convex
transducer
Gynecology
and
obstetrics,
abdominal
kidney
body
surface
3.5MHz
2.5~5.0MHz
C8-5Ks
Microconvex
transducer
Gynecology
and
obstetrics,
abdominal
kidney
body
surface
6.5 MHz
5.0~8.0MHz
L11-4Ks
Linear array
transducer
Small organ
carotid
artery
body
surface
7.5 MHz
6.0~11.0MHz

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L11-4Gs
Linear array
transducer
Small organ
carotid
artery
body
surface
7.5 MHz
6.0~11.0MHz
E10-4Ks
Cavity
transducer
Department
of
Obstetrics
and
Gynecology,
urinary
system
Via vagina
6.5 MHz
5.0~8.5MHz
2.5 Symbols description
This device uses the following symbol identification, the following list shows its
meaning.
No.
Symbols
Description
1
Type BF application part
All ultrasonic probes are part of the BF application.
2
Please refer to the instruction manual for this symbol to
avoid accidents
3
This symbol represents the product serial number
4
This symbol represents the date of production
5
IPX4
There is no harmful effect if the liquid is splashed into the
shell from any direction
6
CE mark
7
European Authorized Representative
8
Date of Production
9
No discard it at will is allowed.
10
To identify the country of manufacture of products
11
Indicates the item is a medical device
12
Indicates a carrier that contains Unique Device Identifier
information.

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2.6 Introduction of each component of
the system
Serial
number
Name
Function
1
Transducer
Transmit and receive ultrasound
2
Main Device
Scanning control and data processing
3
Control Panel
Operation control
4
Type-C interface
USB-C port for charging and data transferring

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2.7 Control panel
2.7.1 Control area schematic
Serial
number
Button
icon
Key name
Function
1
Power switch
/ freeze /
thaw button
1. Short press: power on / freeze / unfreeze scanner
2. Long press ≥3s: power off the scanner.
3. Blue blinking, the scanner is in freezing status.
4. Blue solid, the scanner is in scanning status.
2
(Gain)
“+”button
Increase Gain and Parameters
3
(Gain)
“-”button
Decrease Gain and Parameters
4
Main menu
button
1. Change scan mode.
2. Save image in freezing status
3. Battery light indication
5
(Depth)
“ ”button
Increase Depth / Switch Parameters.
6
(Depth)
“ ”button
Decrease Depth / Switch Parameters.

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2.8 Basic interface
2.8.1 Android application interface
The interface layout diagram for the Android application is as follows:
Figure 2.8.1 Interface layout diagram
Status and information display area
The status and information display area includes system menu, WiFi/USB
connection sign, patient information management, probe type, inspection type,
puncture line, battery charge and system time.
➢System menu
Contains pre-set, version information, operation manual.
➢WiFi/USB connection sign
Displays the current probe connection.When connected to a WIFI, the flag
indicates signal strength，and you can also click to pop up the probe
selection dialog box
➢Probe type
Displays the currently used probe model or the default probe model.
➢Inspection type
Displays the type of examination currently in use, such as abdomen, heart, etc.,
click to select the check mode.
➢Guide line
The system support 2 guide lines, when you toggle it on, you can adjust the
position and angle of the guide line.
IM
1.1
TIS
0.4
Freq
4.0
Gain
60
Dep
16.cm
Status and information display area
Menu and Parameters display area
Image area
IM
1.1
TIS
0.4
Freq
4.0
Gain
60
Dep
16.cm
Function keys
Image area
Gain
Depth

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➢Battery charge
Probe battery power (upper): after the probe is connected, the current probe is
displayed.
Device battery power (below): the display device opens the application and
displays the current power of the display device (mobile phone / tablet).
➢System time
Displays the current system time. Check time as the image freezes when the
system freezes.
Menu and Image Parameter display area
The areas can be divided into two parts: image mode switching area and image
parameter adjustment area.
➢B mode,click to switch to M mode, click back to B mode;
➢Color mode, Click to enter Color mode, click again to enter Power mode;
➢PW mode, Click to enter the pre-startup status of PW mode and click
again to start / pause to get the spectrum. It's the same function as update.
➢Drop-down menu flag, click to enter the corresponding image mode of all
parameters adjustment.
➢
Image parameter adjusting pulley: Slide up and down or click on the pulley to
adjust the corresponding parameters.
Function shortcut key area
Contains freeze/unfreeze /saves image buttons
Freeze and unfreeze the clinical images
Save image button.
Image area
The image area displays images of each mode and probe direction markers,
time lines (in M mode), PW sampling lines (PW mode), axes (including depth
axes, time axes), etc., while annotating information and measuring, The gray bar
also appears here.
Gain
Depth

20
2.8.2 Windows application interface
The interface layout diagram for the Windows application is as follows:
Figure 2.8.2 Interface layout diagram
Information area
The information area includes manufacturer identification, patient information,
hospital name, probe type, current inspection type, date, inspection time, freezing
mark, etc.
➢Manufacturer identification
Show the manufacturer's identity in the upper-left corner of the screen.
➢Hospital name
Show the hospital name. The hospital name setting path is [preset] [system
preset][Hospital Information].
➢Time
Show the time, that is, the date and time of the system. The date and time and
display format preset path is "[preset] [system preset] [composite preset]".
Time as the image freezes when the system freezes.
➢Freezing mark
Freezing mark, Indicates that the current image is frozen.
➢Patient information
Show patient name, ID, sex, age. Patient information is entered through the
“patient Information” dialog box or imported locally stored patient information
data in the patient list page.
➢Probe type
Show the currently used probe model or the default probe model.
➢Current inspection type
Status area
Information area
Image parameters
and menu area
Zoom in on area
Softkeys control
area
Thumbnail area
Thumbnail
control area