2E L2820B User manual
LCD
MONITOR
СВІТЛОДІОДНИЙ
МОНІТОР
СВЕТОДИОДНЫЙ
МОНИТОР
L2820B
User Manual
Read this manual carefully before use.
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EN
Content
WARNINGS/SAFETY PRECAUTIONS
WARNINGS/SAFETY PRECAUTIONS
Attention
Important safety instructions
OPERATING INSTRUCTIONS
Components and auxiliary equipment
Input voltage
Power indicator
FUNCTIONS
Control monitor
OSD MENU
Brightness/Contrast
Colour
Sound settings
Input signal source
Other settings
Specifications
Troubleshooting
Additional information
Warranty
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Warnings/Safety precautions
RISK OF ELECTRIC SHOCK
DO NOT OPEN
WARNINGS/SAFETY PRECAUTIONS
TO REDUCE THE RISK OF ELECTRIC SHOCK,
DO NOT REMOVE COVER AND BACK PANEL
THERE ARE NO USERSERVICEABLE PARTS
INSIDE.
I CASE OF DAMAGE OR ERROR REFER SERVICING
TO QUALIFIED PERSONNEL.
Lightning flash with arrowhead symbol
within an equilateral triangle is intended
to alert the user to the presence of
non-insulated dangerous voltage within
the product’s enclosure that may be of
sufficient magnitude to constitute a risk
of electric shock in case of improper
usage of the product.
Exclamation point within an equilateral
triangle is intended to alert the user to
the presence of important operating and
maintenance instructions in the literature
accompanying the product.
WARNING:
Do not put the monitor in rainy or foggy places to prevent from fire or electric shock.
To prevent scratches or damages to the LCD screen, do not knock, apply or rub the surface with sharp
or hard objects or stiff cloths as well as try not to touch the LCD screen with your hands.
Any modifications to this product that have not been clearly and explicitly approved in advance by the
manufacturer responsible for compliance with these regulations are forbidden.
ATTENTION:
Excessive sound pressure from earphones and headphones can cause hearing loss.
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Important safety instructions
1. Please read all the instructions carefully before using this product.
2. The instructions should be retained after reading for future reference.
3. Please immediately pull out the AC power plug from an adapter if there is an abnormal sound or
smell or the monitor has no picture, and contact after sales support.
4. The monitor should be kept free from rain, damp and dust to prevent electrical shock and short
circuits. Do not cover the ventilation openings with table clothes, curtains, newspapers etc.
5. The monitor should be kept away from heating objects or direct sunlight. This product requires
good ventilation. Allow 10 cm between the monitor and other appliances or built-in cabinet walls.
6. You may clean the display panel with a soft clean cloth after pulling out the power plug. Do not
repeatedly wipe the panel, nor scrape, tap or strike the panel with hard objects, etc.
7. Do not wipe the monitor with any petrol chemical or alcohol-based solvents, as it will lead to
product damage to the panel and cabinet.
8. Do not place the monitor on an unstable surface.
9. Do not place the power cord or other cables across a walkway in case it is trampled on, especially at
the points of connection to the plug, sockets and the power cord to the appliance.
10. Unplug the appliance during a lightning storm or when it is not used for a long period of time.
11. Unplug this product when the device, power cord or plug are damaged or if the device has been
exposed to liquid or moisture, has been mechanically damaged and does not work properly and
contact an authorized service centre immediately.
12. Keep this appliance away from liquids, splashes of water and do not place objects filled with liquids
on it.
13. Do not disassemble the back cover as it contains high voltages inside and will cause electric shock.
There is no spare parts inside. Internal adjustments and checks should only be conducted by
qualified professionals.
14. Do not place naked flame sources, such as lit candles on or near the monitor. Please pull out the
power plug and contact after sales support if there are abnormal objects or water in the monitor.
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Operating Instructions
Components and auxiliary equipment
Before assembling and installing, check for following items to be included in this display package.
Input voltage
AC: 100-240V - 50/60Hz 1.0A
Please consult the back label
Power indicator
Monitor
Power cord
Stand base
DP cable (Display Port)
Microfiche and power
requirements label
User manual
Indicator Mode
No light Power off
Light Normal operation mode
Flash light No input signal
Functions
Statement: this document is a reference manual. Please refer tol the actual product.
HDMI HDMI input
VGA VGA input
DP input Display Port
AUDIO Audio input
Earphones Earphones input
USB USB output
DC 12V DC 12V power input
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PSU
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EN
Control monitor
MENU key
LEFT key/Contrast hot key
RIGHT key/Brightness hot key
Auto/Exit key
Power standby key
Function Key Guide may vary depending on the function or product model. Please refer to
the actual product.
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EN
OSD menu
BRIGHTNESS/CONTRAST
This function adjusts the BRIGHTNESS,
CONTRAST and other settings of the monitor.
BRIGHTNESS - This option adjusts the black
level in a picture. If the value is adjusted too
high, the picture will look washed out. If too
low, the picture will not have much detail in
dark colours.
CONTRAST - This option adjusts the white
levels in a picture. If the value is adjusted too
high, the picture will not have any details in bright parts of the picture. If it sets too low, the picture will
looked washed out.
ECO - This option provides several modes for options: Standard/Game/Movie/Photo/ FPS.
SHARPNESS - This option adjusts the sharpness of the picture.
COLOUR SETING
This function adjusts the colour temperature and other picture settings.
COLOUR TEMP - This option adjusts
temperature of colour. It has several preinstalled
modes like: Warm / Normal / Cool / User.
HUE — or colour tone — the relative darkness
or lightness of the colour. This option adjusts
the hue of the picture.
SATURATION - This option allows you to make
colours brighter or muted.
LOW BLUE LIGHT - This option ensure a
comfortable viewing experience while keeping
your eyes healthy at the same time.
OVER DRIVE - This option makes panel response time shorted to reduce the duplication of fast-moving
objects.
AUDIO SETTING
This option adjusts the volume, and turn it on
or off.
MUTE - mutes or unmutes the sound.
VOLUME - to increase or decrease the volume.
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OSD menu
OTHER SETTING
This function includes some advanced
features.
ASPECT - This option select “Full Screen” or
“16:9” screen size.
FREESYNC - This option support a dynamic
refresh rate aimed at reducing screen
tearing.
LANGUAGE - this option allows you to select
the language of the OSD.
RESET - This option resets all values in the OSD back to factory standard.
INPUT SOURCE
This function allows you to change signal
source.
INPUT SIGNAL SOURCE - HDMI — This
option selects HDMI as the video source of
the monitor.
DP - This option selects DP (Display Port) as
the video source of the monitor.
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Specications
Моdel L2820B
Screen size 28’’
Matrix type IPS
Aspect ratio 16:9
Viewing angles 178°/178°
Displayable colours 1.07B 10-bit (8bit + Hi-FRC)
Resolution 3840*2160
FPS 60Hz
Response time 8 ms
Brightness 250 cd/m2
Contrast 1000:1
Interfaces 2xHDMI, DP, 3.5mm Audio In/Out
Frequency HDMI1.43840*216060Hz
DP1.23840*216060Hz
Built-in speakers No
Screen tilt 15°/5°
Height adjustment 130 mm
Power consumption in operating mode <60W
Standby power consumption ≤0.16W
Wall mounting No
Package dimensions 865x132x476 mm
Weight (NET/GROSS): 7.4 kg/8.9 kg
Features HDR, DCR
Troubleshooting
Problem Solution
Power cannot be turned on Check that both ends of the power cable are plugged into the
socket appropriately and the wall socket is operational
No Input signal message
Check that the signal line is connected properly.
Check that the power of the relevant peripherals is turned on.
Check that the Input option tnat has been selected matches with
the input signal.
Image colour or quality
deteriarates
Check that all the video settings are adjusted appropriately, such as
brightnešs, contrast, colour etc.
Display warning message Check that the input signal line is properly xed.
Select the correct input signal source
Additional information
The production date is encrypted in the serial number in the format
ERC2E *** YYYYMMDD *******, where: YYYYMMDD - year, month and day of production.
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Зміст
ПОПЕРЕДЖЕННЯ/ЗАПОБІЖНІ ЗАХОДИ
/
Основні правила з техніки безпеки
ІНСТРУКЦІЯ З ЕКСПЛУАТАЦІЇ
ФУНКЦІОНАЛ
Роз’яснення до кнопок управління на корпусі монітора
ЕКРАННЕ МЕНЮ
/
Технічні характеристики
Усунення основних несправностей
Додаткова інформація
Гарантія
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Попередження/Запобіжні заходи
Р
ИЗИК УРАЖЕННЯ ЕЛЕКТРИЧНИМ СТРУМОМ!
НЕ ВІДКРИВАТИ
ПОПЕРЕДЖЕННЯ/ЗАПОБІЖНІ ЗАХОДИ
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УВАГА:
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Основні правила з техніки безпеки
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Інструкція з експлуатації
Комплектація та допоміжне обладнання
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Параметри живлення
: 100-240 ~ 50/60 1.0
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Індикатор живлення
DP (Display Port)
Індикатор Режим
Функціонал
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HDMI HDMI
VGA VGA
DP input Display Port
Аудіо
Навушники
USB USB
12В постійний струм 12
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Роз’яснення до кнопок керування на корпусі монітора
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Екранне меню
ЯСКРАВІСТЬ/КОНТРАСТ
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НАЛАШТУВАННЯ ЗВУКУ
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БЕЗ ЗВУКУ - .
ГУЧНІСТЬ - -
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Екранне меню
ІНШІ НАЛАШТУВАННЯ
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ФОРМАТ ЗОБРАЖЕННЯ - 2
: «» «16:9».
FREE SYNC -
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МОВА - .
СКИДАННЯ -
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ДЖЕРЕЛО СИГНАЛУ
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ВИБІР ДЖЕРЕЛА - HDMI -
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DP - DP (Display Port)
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Технічні характеристики
Модель L2820B
28’’
IPS
16:9
178°/178°
1.07B 10-bit (8bit + Hi-FRC)
3840*2160
60
8
250 /2
1000:1
2xHDMI, DP, 3.5 Audio In/Out
HDMI1.43840*216060Hz
DP1.23840*216060Hz
15°/5°
130
<60W
≤0.16W
865x132x476
(/): 7.4 / 8.9
HDR, DCR
Усунення основних несправностей
Проблема Вирішення
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Додаткова інформація
ERC2E***YYYYMMDD*******,
: YYYYMMDD – , .
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RU
Содержание
ПРЕДУПРЕЖДЕНИЕ
Основные правила безопасности
ИНСТРУКЦИИ ПО ЭКСПЛУАТАЦИИ
ФУНКЦИОНАЛ
Разъяснение к кнопкам управления
на корпусе монитора
ЕКРАННОЕ МЕНЮ
/
Технические характеристики
Устранение неисправностей
Дополнительная информация
Гарантия
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Предупреждение
РИСК ПОРАЖЕНИЯ ЭЛЕКТРИЧЕСКИМ ТОКОМ
НЕ ОТКРЫВАТЬ
ПРЕДУПРЕЖДЕНИЕ
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ПРЕДУПРЕЖДЕНИЕ:
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ВНИМАНИЕ:
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Основные правила техники безопасности
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４ ５
Инструкция по эксплуатации
Комплектация и дополнительное оборудование
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DP (Display Port)
４ ５
Table of contents
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