1. Please read this manual carefully before using, and keep it well for future reference.
2. Before cleaning the display please unplug the USB cable and wipe with a soft damp cloth, do
not use any kind of detergents.
3. Please don’t place the display near water sources such as bathtub, washbasin, sinks, washing
machine, damp basement, swimming pool, etc.
4. Do not place the display on where is unstable or a height for children reaching easily in order
to avoid danger.
5. Do not place the display and digital pen close to the magnetic field.
6. The grooves and holes on the back case is designed for ventilation to prevent the monitor from
overheating. Please don’t place the display on beds, sofas, carpets or in embedded device.
7. Only power supplies shown on the nameplate can be used for the display. If you have questions
about the power supply which you are using, please consult the distributor of your display.
8. To protect your display, please switch off the power when it is not in use. During blackouts or
not using for long time, please unplug the display from the socket.
9. Don’t overload the socket or lengthen the power wire, which may lead to electric shocks.
10. Make sure no foreign bodies get inside the monitor through grooves and prevent liquid from
splashing on the display as to prevent short-circuit or fire.
11. If the display has a breakdown, do not open the main case and try to repair it by yourself.
Please ask for a service for proper repair and maintenance.
12. When the following situations occur, please unplug the power adapter and you may need a
service for full repair and maintenance:
A. The power wire or plug is damaged or worn out;
B. There is liquid splashed inside of the display;
C. The display has fallen or the LCD is broken;
D. When obvious abnormalities occur to the display.
13. While getting the components replaced, you are supposed to guarantee that the repairman is
using the substitute components specified by the manufacturer. Unauthorized component
replacement might cause fire, electric shocks or other dangers.
14. Digital pen has a lithium battery, which should be charged in time under low battery mode,
and at the same time should be charged every 3 months; otherwise it will cause lithium battery
damage.
15. The nib of the digital pen can’t be pressed when it is placing, otherwise the pen can’t enter
the power-saving state, which is easy to cause lithium battery over-discharge damage.
5.1 Possible Breakdowns Related to DISPLAY ........................................................................... 21
5.2 Possible Breakdowns Related to FUNCTIONS ..................................................................... 21
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GT-221 Pro Graphics Display
1. Product Overview
1.1 Display Introduction
Thanks for choosing HUION® KAMVAS® GT-221 Pro graphics display. This is a new
generation of desktop-level professional drawing display, which can greatly improve
your work efficiency of painting and creation, and full of fun. You can freely painting
and writing, depicting different lines and colors, just as the pen writes on the paper,
which brings you a real shock experience.
To give you a better understanding and using of your KAMVAS, please read this user
manual carefully. The user manual only shows the information under Windows,
unless otherwise specified, this information applies to both Windows and
Macintosh systems.
1.2 Product and Accessories
1.2.1 Display Overview
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GT-221 Pro Graphics Display
By dragging this switch to adjust
the stand angle from 20°-80°
Charging Port
Upper Button(Mouse Right Key )
Lower Button(Switch Brush)
Pen Nib(Mouse Left Key)
LED Indicator
1.2.2 Stylus Pen
The stylus pen is a rechargeable pen with 8192 levels pressure sensitivity and can
be used for around 350hrs with full battery.
1.2.3 Adjustable Stand
We designed this ergonomic adjustable stand specially for your KAMVAS display,
you can adjust the angle of the display according to your usage habit, and make
you feel more comfortable when painting and creating.
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GT-221 Pro Graphics Display
Pen Box
Replacement Nibs
Pen Charging Cable
Cleaning Cloth
Quick Start Guide
Warranty Card
Installation CD
USB Cable
HDMI Cable
Power Cable
Power Adapter
Pen Nib Clip
1.2.4 Other Accessories
1.3 Setting up Display
1. Take out the pen display and stand from the package, then assemble the
stand to the back of the display with attached screwdriver according to the
following instruction.
2. As shown on the below, connect the pen display to your computer with
attached power adapter, HDMI cable and USB Cable.
3. Press the power button on the bottom of the display to power on the
display
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GT-221 Pro Graphics Display
1.4 Installing the Driver
1.4.1 OS Support
Windows 7 or later,macOS 10.11 or later
1.4.2 Install via CD
Insert the CD into the CD drive, the driver will automatically run. If there is no
automatic operation, please double click the driver program to run.
1.4.3 Install via Download
You can also download the driver from our website (www.huion.com/download) if
there is no CD drive with your computer.
After finishing installation, you can find the driver icon in the system tray area,
which means the driver was installed successfully; when you connect the display
to computer, the icon will change to color , which means the driver has already
recognized the display and you can start using it now.
Notice:
1. Before installing, you need to uninstall other driver of similar products,
including the old driver of this product;
2. Before installing, please close all graphics software and anti-virus software to
avoid unnecessary mistake;
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GT-221 Pro Graphics Display
1.5 Pen Nib Replacement
1. The nib will wear off after using for a long time, thus may affect your normal use,
then you need to replace a new nib in time.
2. Take out the new nib and clip from pen box.
3. Pull out the old nib with the nib clip.
4. Insert the new nib straight into the pen and push the nib slowly and firmly until
it stops.
1.6 Charging the Pen
1. When the indicator on the pen shows orange, it means the voltage of the pen is
low, then you need to charge the pen.
2. Charge the pen with the attached charging cable. Insert one end of the
charging cable into the rear of the stylus charging port, the other end can be
connected to a computer, power supply or power bank.
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GT-221 Pro Graphics Display
2. Product Basic Operation
2.1 Using The Pen
2.1.1 Hold the pen
Hold the pen as you hold a normal pen or pencil. Adjust your grip so that you can
toggle the side switch easily with your thumb or forefinger. Be careful not to
accidentally press the switch while drawing or positioning with the pen.
Notice: When not in use, place the pen in the pen case or on the desk. Do not place
the pen on the surface of screen, which may interfere with the use of other screen
cursor positioning equipment, it may also cause your computer unable to enter the
sleep mode.
2.1.2 Position the cursor
Move the pen slightly above the active area without touching the screen surface,
the cursor will move to the new position accordingly.
Press the pen tip on the screen to make a selection. Tap the screen once with the
pen tip, or touch it to the screen with enough pressure to register a click.
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GT-221 Pro Graphics Display
2.1.3 Click
Use the pen tip to tap on the screen once to produce a click. Tap to highlight or
select an item on the screen and double-click to open it.
2.1.4 Move
Select the object, then slide the pen tip across the screen to move it.
2.1.5 Use the side buttons
The side buttons of the pen can be set to two different customizable functions.
You can use the buttons whenever the pen tip is within 10mm of the display active
area.
You do not have to touch the pen tip to the display in order to use the switch.
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GT-221 Pro Graphics Display
2.2 OSD Setting
2.2.1 OSD Buttons
POWER --- Power on/off the display.
MENU ---- Press to call up the menu, after entering menu, it’s function is confirm.
+ ----- After entering menu, it’s function is to up/right/increase.
- ----- After entering menu, it’s function is to down/left/decrease.
AUTO ----- Before entering menu, it’s function is auto adjustment. After entering
menu, it’s function is back to previous menu.
2.2.2 Brightness Setting
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GT-221 Pro Graphics Display
1. BRIGHTNESS: Adjusting background brightness of the screen images.press the
buttons“+”and“-”to increase and decrease brightness.
2. CONTRAST: Adjusting difference between darkness and brightness of the
screen. Press the buttons“+”and“-”to increase and decrease contrast.
3. ECO: There are four eco modes of“STANDARD, TEXT, GAME, MOIVE”.
1. H.POSITION: Adjusting images left and right by using the
buttons“+”and“-”.
2. V.POSITION: Adjusting images downward and upward by using the
buttons“+”and“-”.
3. CLOCK: Adjusting the vertical blinking of characters on the screen.
4. PHASE: Adjusting the horizontal blinking of characters on the screen.
5. ASPECT: There are“WIDE”and“4:3”two modes for you to adjust the aspect
of the screen.
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GT-221 Pro Graphics Display
2.2.4 Color Temp. Setting
COLOR TEMP.: There are three color modes of “WARM, COOL, USER “.
2.2.5 OSD Setting
1. LANGUAGE: There are 12 languages for your choice.
2. OSD H. POS.: Adjusting the OSD position left and right by using the buttons
“+”and“-”
3. OSD V. POS.: Adjusting the OSD position downward and upward by using the
buttons“+”and“-”
4. OSD TIMER: Increase and decrease the residence time of the OSD menu by using
the buttons“+”and“-”.
5. TRANSPARENCY: Press “MENU”, then“+”and“-”to adjust the
transparency of the OSD menu.
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GT-221 Pro Graphics Display
2.2.6 Reset
1. IMAGE AUTO ADJUST: Automatically adjust the image’s horizontal/vertical
position, focus and clock.
2. COLOR AUTO ADJUST: Automatically adjust the image color balance.
3. RESET: All the setting options will be restored to the default setting.
2.2.7 MISC
MISC: Display the current adjustment information.
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GT-221 Pro Graphics Display
3. Function Setting
3.1 Device Connection Prompt
1. Device disconnected: The computer does not recognize the tablet.
2. Device connected: The computer has recognized the tablet.
3.2 Working Area Setting
3.2.1 Using Multiple Monitors
When the KAMVAS and other monitors are used in the same system, the movement
of the screen cursor on the standard display depends on the system configuration.
If the secondary display is a mirrored mode connection, KAMVAS and another
monitor will display exactly the same image and screen cursor movement.
If you are in the extended display mode, you need to set the display on the driver
that which portion of the display screen your KAMVAS will map to.
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GT-221 Pro Graphics Display
3.2.2 Working Area Setting
Define the display area that will be mapped to the screen area.
1. Full Area: the entire active area of the Display. This is the default setting.
2. Same Ratio with LCD.
3. Customized Area: 1.> Enter coordinate values. or2>. Drag the corners of the
foreground graphic to select the screen area.
3.2.3 Rotate Working Area
By changing the direction of the tablet to adapt to the left and right hand operation.
You can rotate the tablet by 0°,90°,180° or 270°.
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GT-221 Pro Graphics Display
3.3 Press Keys Function Setting
Default Setting: Place the cursor on the button or click the button icon to see the
default values for the press keys.
Customized Setting: Select the function to be achieved on the pop-up dialog box,
then click APPLY or OK to take effect.(The press keys on the left and right side are
the same function, so you just need to set the keys functions on the left side)
Touch Bar: you can slide up and down to achieve zoom function.(Also support Selfcustomized)
Enable/Disable Press Keys: Check/Uncheck”Enable Press key”
Enable/Disable Touch Bar: Check/Uncheck”Enable Touch”
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GT-221 Pro Graphics Display
3.4 Pen Button Function Setting
Select the function to be achieved on the pop-up dialog box, then click APPLY or
OK to take effect.
3.5 Pressure Sensitivity Setting
The pressure sensitivity will be changed by dragging the slider up and down, the
smaller the value, the more sensitive the pressure.
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GT-221 Pro Graphics Display
3.6 Pen Pressure Testing
Click “start pressure test”, you can gradually apply pressure to the stylus on the
screen to test the pressure level. Click “Clear” button to clear all the ink.
3.7 Calibration
Screen Calibration: Click the red point of the cross center appearing on the screen
to complete the calibration.
Restore Factory Settings: Click "Restore Default" to restore to the factory settings.
Cancel Calibration: Click"Cancel calibration” or press ESC on the keyboard to cancel
the calibration.
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GT-221 Pro Graphics Display
3.8 Enable the Windows Ink feature
Microsoft Windows provides extensive support for pen input. Pen features are
supported in such as Microsoft Office、Windows Journal、Adobe Photoshop CC、
SketchBook 6 and so on.
3.9 Data Export and Import
The driver supports exporting and importing your customized configuration data
of the product, which is convenient for you to use different software and avoid the
trouble of repeated settings.
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GT-221 Pro Graphics Display
ITEM
GT-221
Screen
Panel Size
21.5 inch
Resolution
1920 x 1080(16:9)
LCD Type
TFT LCD IPS
Active Area
476.64 x 268.11mm
Contrast Ratio
1000:1
Brightness
250cd/m2
Response Time
14ms
View Angle
89°/89°(H)/89°/89°(V)
(Typ.)(CR>10)
Gamut
72%(NTSC)
Display Color
16.7M
Touch
Touch Type
Electromagnetic Resonance
Resolution
5080LPI
Pressure Level
8192
Accuracy
±0.5mm(Center),±3mm(Corner)
Sensing Height
12mm
Report Rate
233PPS
Pen
Model
PE330
Type
Cordless Active
Net Weight
16.5g
Dimension
Φ13.5x 177.5mm
Buttons
Two Customized Press Keys
Battery Capacity
80mAh
Charge Time
1.3hrs
Life Time
350hrs
Auto Sleep
15mins
General
Touch Bar
Two Customized Touch Bars
Press Keys
10+10 Customized Press Keys
Working Power
Consumption
36W
Input Voltage
100-240VAC, 50/60Hz
Output Voltage
DC12V 3A
Video Interface
HDMI、DVI、VGA
Dimension
589 x 344 x 21mm(Without Stand)
Net Weight
4KG(without stand)
Adjustable Stand
20°-80°
OS Support
Windows 7 or later,
macOS 10.11 or later
4. Specifications
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GT-221 Pro Graphics Display
Abnormal Phenomena
Possible Solutions
Power indicator does not flash
*Make sure power is on *Check the socket and power cable
No display on the screen
1. Make sure power is on.
2. Correctly connect the cable.
3. If you connect the display with a laptop, please make sure the
display is on the right display mode: extend or duplicate mode.
4. Check whether the side indicator shows green, if not, it means no
signal in. Please reboot your computer or reconnect the cable.
5. Is the signal wire broken or bent? If so, please replace the signal wire.
Images are blurred
Please set the display resolution with 1920 x 1080.
Lack of colors
Check the pins of the signal wire are not bent or fractured.
There is chromatic aberration
As the regional color temperature is different, so minor chromatic
aberration is a normal phenomenon.
Images jitter or ripple images appear
It is likely that there is electric equipment nearby that brings about
electronic interference.
Abnormal Phenomena
Possible Solutions
Pen doesn’t work and no pressure in
the graphics software
1. If the driver is damaged or is not properly installed, please uninstall
the driver and reinstall it.
2. Whether the power of the pen is exhausted, if so, Please recharge.
3. Try restarting your computer.
4. Try re-inserting the USB cable.
Cursor movement is abnormal
Try re-inserting the USB cable or restarting your computer.
The side button of the pen doesn’t
work
When pressing the side button, please make sure that the nib didn’t
touch the glass surface and the distance between the nib and surface is
within 10mm
There is a deviation between the tip
and the cursor
Try calibration
5. Trouble Shooting
5.1 Possible Breakdowns Related to DISPLAY
5.2 Possible Breakdowns Related to FUNCTIONS
Note: Information in this manual is subject to change without further notice.
For more information, please contact us with our email: service@huion.com
Or go to our website (www.huion.com) to get the latest driver and user manual.
21 / 22www.huion.com
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