Table of Contents
iiyama G4380UHSU-B1 User Manual
Displayed below is the user manual for G4380UHSU-B1 by iiyama which is a product in the Computer Monitors category. This manual has pages.
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ENGLISH
USER MANUAL
Thank you very much for choosing the iiyama
LCD monitor.
We recommend that you take a few minutes
to read carefully through this brief but
comprehensive manual before installing and
switching on the monitor. Please keep this
manual in a safe place for your future
reference.
ENGLISH
ENGLISH
Wereservetherighttochangespecicationswithoutnotice.
All trademarks used in this user manual are the property of their respective owners.
Eprel registration number G4380UHSU-B1 : 1064183
We recommend recycling of used product. Please contact your dealer or iiyama
service center. Recycle information is obtained via the Internet, using the address:
http://www.iiyama.com
YoucanaccesstheWebpageofdierentcountriesfromthere.
CE MARKING DECLARATION OF CONFORMITY
This LCD monitor complies with the requirements of the EC/EU Directive 2014/30/EU “EMC
Directive”, 2014/35/EU “Low Voltage Directive”, 2009/125/EC “ErP Directive” and 2011/65/EU
“RoHS Directive”.
The electro-magnetic susceptibility has been chosen at a level that gives correct operation in
residential areas, business and light industrial premises and small-scale enterprises, inside as
well as outside of the buildings. All places of operation are characterised by their connection to
the public low voltage power supply system.
IIYAMA CORPORATION: Wijkermeerstraat 8, 2131 HA Hoofddorp, The Netherlands
Model No. : PL4380UH
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TABLE OF CONTENTS
FOR YOUR SAFETY ............................................................................ 1
SAFETY PRECAUTIONS................................................................1
SPECIAL NOTES ON LCD MONITORS .........................................3
CUSTOMER SERVICE ...................................................................3
CLEANING ......................................................................................3
BEFORE YOU OPERATE THE MONITOR ..........................................4
FEATURES......................................................................................4
CHECKING THE CONTENTS OF THE PACKAGE ........................4
INSTALLATION ...............................................................................5
FITTING AND REMOVAL OF BASE ...............................................6
CONTROLS AND CONNECTORS..................................................7
FUNCTIONS OF THE REMOTE CONTROL ..................................8
PREPARING THE REMOTE CONTROL.........................................9
BASIC OPERATION ...................................................................... 10
CONNECTING YOUR MONITOR .................................................13
COMPUTER SETTING .................................................................14
ADJUSTING THE VIEWING ANGLE ............................................14
OPERATING THE MONITOR .............................................................15
ADJUSTMENT MENU CONTENTS ..............................................17
STANDBY FEATURE ....................................................................30
TROUBLE SHOOTING ......................................................................31
RECYCLING INFORMATION .............................................................32
APPENDIX ........................................................................................33
SPECIFICATIONS ......................................................................... 33
DIMENSIONS ................................................................................ 34
COMPLIANT TIMING ....................................................................34
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FOR YOUR SAFETY 1
FOR YOUR SAFETY
WARNING
STOP OPERATING THE MONITOR WHEN YOU SENSE TROUBLE
If you notice any abnormal phenomena such as smoke, strange sounds or fumes, unplug the
monitor and contact your dealer or iiyama service center immediately. Further use may be
dangerousandcancausereorelectricshock.
NEVER REMOVE THE CABINET
High voltage circuits are inside the monitor. Removing the cabinet may expose you to the danger of
reorelectricshock.
DO NOT PUT ANY OBJECT INTO THE MONITOR
Do not put any solid objects or liquids such as water into the monitor. In case of an accident, unplug
your monitor immediately and contact your dealer or iiyama service center. Using the monitor with
anyobjectinsidemaycausere,electricshockordamage.
INSTALL THE MONITOR ON A FLAT, STABLE SURFACE
The monitor may cause an injury if it falls or is dropped.
DO NOT USE THE MONITOR NEAR WATER
Donotusewherewatermaybesplashedorspiltontothemonitorasitmaycausereorelectric
shock.
OPERATE UNDER THE SPECIFIED POWER SUPPLY
Besuretooperatethemonitoronlywiththespeciedpowersupply.Useofanincorrectvoltagewill
causemalfunctionandmaycausereorelectricshock.
PROTECT THE CABLES
Do not pull or bend the power cable and signal cable. Do not place the monitor or any other heavy
objectsonthecables.Ifdamaged,thecablesmaycausereorelectricshock.
ADVERSE WEATHER CONDITIONS
It is advisable not to operate the monitor during a heavy thunder storm as the continual breaks in
power may cause malfunction. It is also advised not to touch the plug in these circumstances as it
may cause electric shock.
SAFETY PRECAUTIONS
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2 FOR YOUR SAFETY
CAUTION
INSTALLATION LOCATION
Do not install the monitor where sudden temperature changes may occur, or in humid, dusty or
smokyareasasitmaycausere,electricshockordamage.Youshouldalsoavoidareaswherethe
sun shines directly on the monitor.
DO NOT PLACE THE MONITOR IN A HAZARDOUS POSITION
The monitor may topple and cause injury if not suitably located. Please also ensure that you do not
place any heavy objects on the monitor, and that all cables are routed such that children may not
pull the cables and possibly cause injury.
MAINTAIN GOOD VENTILATION
Ventilation slots are provided to keep the monitor from overheating. Covering the slots may cause
re.Toallowadequateaircirculation,placethemonitoratleast10cm(or4inches)fromanywalls.
When removing the tilt stand, the ventilation slots on the back side of the monitor can be blocked.
This may overheat the monitor and may cause fire or damage. Make sure to allow enough
ventilation when removing the tilt stand. Operating the monitor on its back, side, upside down or on
a carpet or any other soft material may also cause damage.
DISCONNECT THE CABLES WHEN YOU MOVE THE MONITOR
Whenyoumovethemonitor,turnothepowerswitch,unplugthemonitorandbesurethesignal
cableisdisconnected.Ifyoudonotdisconnectthem,itmaycausereorelectricshock.
UNPLUG THE MONITOR
If the monitor is not in use for a long period of time it is recommended that it is left unplugged to avoid accidents.
HOLD THE PLUG WHEN DISCONNECTING
To disconnect the power cable or signal cable, always pull it by the plug. Never pull on the cable
itselfasthismaycausereorelectricshock.
DO NOT TOUCH THE PLUG WITH WET HANDS
Pulling or inserting the plug with wet hands may cause electric shock.
WHEN YOU INSTALL THE MONITOR ON YOUR COMPUTER
Be sure the computer is strong enough to hold the weight of the monitor, otherwise, you may
damage your computer.
CAREFUL! PROTECT YOUR HANDS AND FINGERS
Becarefulnottohurtyourngersorhandswhenyouchangetheangle.
REMARK FOR 24/7 USAGE
Thisproductisnotspecicallydesignedfor24/7usageinallenvironments.
FOR SINGLE USERS
This product is primarily intended for close viewing by a single user.
OTHERS
ERGONOMIC RECOMMENDATIONS
To eliminate eye fatigue, do not operate the monitor against a bright background or in a dark room.
Foroptimalviewingcomfort,themonitorshouldbejustbeloweyeleveland40-60cm(16-24inches)
away from your eyes. When using the monitor over a prolonged time, a ten minute break every hour
is recommended as looking at the screen continuously can cause eye strain.
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FOR YOUR SAFETY 3
The following symptoms are normal with LCD monitors and do not indicate a problem.
NOTE
Whenyourstturnonthe LCD monitor,thepicturemaynott in the monitor area
because of the type of computer that is used. In this case, adjust the picture position to
the correct position.
You may find slightly uneven brightness on the screen depending on the desktop
pattern you use.
Due to the nature of the LCD screen, an afterimage of the previous screen may remain
after switching the image, when the same image is displayed for hours. In this case, the
screencanberecoveredslowlybychangingtheimageorturningothePowerSwitch
for some hours.
SPECIAL NOTES ON LCD MONITORS
NOTE
If you have to return your unit for service and the original packaging has been
discarded, please contact your dealer or iiyama service center for advice or
replacement packaging.
WARNING
If you drop any materials or liquids such as water into the monitor when cleaning,
unplug the power cable immediately and contact your dealer or iiyama service center.
CAUTION
Forsafety reasons, turn othepower switch andunplugthe monitor beforeyou
clean it.
NOTE
To protect the LCD panel, do not scratch or rub the screen with a hard object.
Never use any of the following strong solvents. These will damage the cabinet and
the LCD screen.
Touching the cabinet with any product made from rubber or plastic for a long time
may cause degeneration or loss of paint on the cabinet.
Thinner
Benzine
Abrasive cleaner
Spray-type cleaner
Wax
Acid or Alkaline solvent
CABINET Stains can be removed with a cloth lightly moistened with a mild detergent solvent.
Then wipe the cabinet with a soft dry cloth.
LCD
SCREEN
Periodic cleaning with a soft dry cloth is recommended.
Don't use tissue paper etc. because these will damage the LCD screen.
CUSTOMER SERVICE
CLEANING
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4 BEFORE YOU OPERATE THE MONITOR
The following accessories are included in your package. Check to see if they are enclosed with
the monitor. If anything is missing or damaged, please contact your local iiyama dealer or regional
iiyamaoce.
* The rating of the Power Cable enclosed in 120V area is 10A/125V. If you are using
a power supply higher than this rating, then a power cable with a rating of 10A/
250V must be used. However, all guarantees and warranties are void for any
problems or damage caused by a power cable not supplied by iiyama.
An approved power cable greater or equal to H05VVF, 3G, 0.75mm² must be used.
Power Cable*
HDMI Cable DisplayPort Cable
USB Cable Remote Control
Batteries(2pcs)
Headphone Hook Stand-Base with a screw Safety Guide
Quick Start Guide
BEFORE YOU OPERATE THE MONITOR
CHECKING THE CONTENTS OF THE PACKAGE
CAUTION
FEATURES
Supports Resolutions up to 3840 × 2160
High Contrast 4000:1 (Typical), Advanced Contrast Function Available,
Brightness 550cd/m2 (Typical)
Moving Picture Response Time 0.4ms
Supports AMD FreeSync™ Premium Technology (through DisplayPort input)
Supports HDR400
Flicker Free
Blue Light Reducer
Digital Character Smoothing
2 × 7W Stereo Speakers
Standby Feature
VESA Mounting Standard (200mm×100mm) Compliant
Keyhole for Security Lock
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BEFORE YOU OPERATE THE MONITOR 5
When you use with the wall mounting, in consideration of thickness of the mounting
stage,tightentheM4Screw(4pcs)which“L”lengthis10mmtofastenthemonitor.
Using the screw longer than this may cause electric shock or damage because it
may contact with the electrical parts inside the monitor.
Screw
Mounting Stage
LChassis
INSTALLATION
< WALL MOUNTING >
Before installation, make sure the wall, ceiling or desktop arm is strong enough to
hold the necessary weight of the monitor and the mount.
< LANDSCAPE MODE >
It is designed to be compatible in landscape mode.
Landscape
A
Available
Power Indicator
Portrait
A
A
Not Available
A
Power Indicator
Power Indicator
CAUTION
CAUTION
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6 BEFORE YOU OPERATE THE MONITOR
Put the monitor on a stable surface. The monitor may cause injury or damage if it
falls or is dropped.
Do not give a strong impact to the monitor. It may cause damage.
Unplug the monitor before removal or installation to avoid an electric shock or a
damage.
CAUTION
<Removal>
Put a piece of soft cloth on the table beforehand to prevent the monitor from being scratched.
Laythemonitoratonatablewithfrontfacedown.
Loosen the ’thumb screw’ to remove the Stand-Base from the monitor.
<Installation>
Put a piece of soft cloth on the table beforehand to prevent the monitor from being scratched.
Laythemonitoratonatablewithfrontfacedown.
Install the Stand-Base as shown on below picture.
Tighten the ’thumb screw’ to secure the Stand-Base to the monitor.
Stand-Base
Thumb screw for Stand-Base
FITTING AND REMOVAL OF BASE
<Bottom view>
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BEFORE YOU OPERATE THE MONITOR 7
NOTE
NOTE
CONTROLS AND CONNECTORS
<Front> <Back>
Power Indicator
Blue: Normal operation
Orange: Standby mode
Remote Sensor
InputSelectButton(INPUT)
+/VolumeButton(+)
−/i-StyleColorButton(−)
MenuButton(MENU)
PowerButton( )
ACConnector( :Alternatingcurrent)
Speakers
Headphone Hook Hole *
USB 2.0 Downstream Connector
( 5V,500mA)
USB 2.0 Downstream Connector
( 5V,500mA)
USB 3.0 Downstream Connector
( 5V,900mA)Blue
USB 3.0 Downstream Connector
( 5V,1.5A)Yellow
USB3.0UpstreamConnector( )
Keyhole for Security Lock
You can fasten a security lock
and cable to prevent the monitor
from being removed without your
permission.
Headphone Connector ( )
DisplayPortConnector(DP2)
DisplayPortConnector(DP1)
HDMIConnector(HDMI2)
HDMIConnector(HDMI1)
Cable Holder
* If necessary, attach the included Headphone
Hook and turn to secure it.
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8 BEFORE YOU OPERATE THE MONITOR
[POWER] Turns the monitor ON and OFF.
[PLAY]
Not available on this model.
SOURCE
Selects the source.
Press or button to select from
DP1, DP2, HDMI1 or HDMI2. Press
[OK]buttontoconrmandexit.
[HOME] Opens the monitor’s on-screen
menu systems.
LIST Not available on this model.
Navigates through submenus and
settings.
: Up Button
: Down Button
: Left Button
:
Right Button
OK Conrmsyourselectionorsave
changes.
ADJUST Not available on this model.
[MUTE] Turnsonorothemutefunction
when the Menu is not displayed.
Not available on this model.
[NUMBER] /
ID SET / ENTER Not available on this model.
NORMAL / ID Not available on this model.
FORMAT Open the Video Mode Adjust.
[BACK] Returns to a previous menu or
closes the OSD Menu.
INFO Provides resolution information.
OPTIONS Not available on this model.
VOL+/− +: Increases the sound volume.
−: Decreases the sound volume.
FUNCTIONS OF THE REMOTE CONTROL
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BEFORE YOU OPERATE THE MONITOR 9
To use the remote control, insert the two dry batteries.
PREPARING THE REMOTE CONTROL
CAUTION
Donotuse any otherbatteries otherthan thosespecied inthismanualfor the RemoteControl.
Do not insert old and new batteries together in the Remote Control. Make sure that the terminals
match the "+" and "–" indications in the battery compartment. Remove dead batteries immediately to
prevent them from leaking into the battery compartment. Burst batteries or the electrolyte from these
batteriesmaycausestains,reorinjury.
Refer to the above instructions when taking out the batteries.
Replace with new batteries when the Remote Control does not work close to the monitor.
Use AAA dry batteries. Risk of explosion if battery is replaced by an incorrect type.
Operate the Remote Control by pointing it toward the Remote Sensor on the monitor.
Other manufacturers remote control will not work with this monitor. Use the provided
Remote Control ONLY.
Usedbatteriesneededtofollowthelocalrulestobediscarded.(Suggestion:todispose
ofusedbatteriespleasefollowcorrectpolicyasperyourlocalregulations.)
Batteriesshallnotbeexposedtoexcessiveheatsuchassunshine,reorthelike.
If you do not intend to use the remote control for a long period, remove the batteries.
Open the battery cover.
Alignandinsert twoAAAbatteriesaccordingtotheirplusandminusports(asindicatedinthe
compartment).
Close the battery cover.
Battery × 2
NOTE
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10 BEFORE YOU OPERATE THE MONITOR
BASIC OPERATION
Turning the monitor ON
The monitor is turned On and the Power Indicator turns to
Blue when you press the
Button on the remote control or
themonitor.ThemonitoristurnedOandthePowerIndicator
turns to Orange when you press the Button on the remote
control or the monitor. Press again to turn On the monitor.
NOTE
Even when using the standby mode or turning Off the
Button, the monitor will consume a small amount of electricity.
Disconnect the Power Cable from the power supply whenever
the monitor is not in use or during the night, to avoid
unnecessary power consumption.
[Remote Control]
Display the adjustment menu page
The menu page appears on the screen when you press the
Button on the remote control or the MENU Button on the
monitor.
The menu page disappears when you press the /
Button on the remote control or the INPUT Button on the
monitor.
[Monitor]
[Remote Control]
[Monitor]
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BEFORE YOU OPERATE THE MONITOR 11
Move the cursor horizontally
Select menu or setting, or perform the adjustment by pressing
the / Buttonsontheremotecontrolorthe+/−Buttons
on the monitor while the menu page is displayed on the
screen.
Move the cursor vertically
Select adjustment by pressing the / Buttons on the remote
controlorthe + /− Buttonsonthe monitor while themenu
page is displayed on the screen.
[Remote Control]
[Remote Control]
[Monitor]
[Monitor]
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12 BEFORE YOU OPERATE THE MONITOR
Adjust the volume of sound
PresstheVOL+/VOL−Buttonsontheremotecontrolorthe
+/ − Buttonson the monitortoadjust thevolumeof sound
when the menu page is not displayed on the screen.
Switch the input signal
Press the SOURCE Button on the remote control or the
INPUT Button on the Monitor when the menu is not displayed,
it shows Signal Select menu.
[Remote Control]
[Remote Control]
[Monitor]
[Monitor]
NOTE
For the monitor, press the + Button first and then adjust the
volumewiththe+/−Buttons.
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BEFORE YOU OPERATE THE MONITOR 13
CONNECTING YOUR MONITOR
Ensurethatboththecomputerandthemonitorareswitchedo.
Connect the computer to the monitor with the signal cable.
Connect the computer to the monitor with the USB Cable.
ConnectthePowerCabletothemonitorrstandthentothepowersource.
Turn on your monitor and computer.
[Example of Connection]
<Back>
NOTE Makesurethatthebuildinginstallationhasacircuitbreakerof120/240V,20A(maximum).
The signal cables used for connecting the computer and monitor may vary with the
type of computer used. An incorrect connection may cause serious damage to both
the monitor and the computer. The cable supplied with the monitor is for a standard
connector. If a special cable is required please contact your local iiyama dealer or
regionaliiyamaoce.
The Class I pluggable equipment Type A must be connected to protective earth.
The socket-outlet shall be installed near the equipment and shall be easily accessible.
Excessive sound pressure from ear-/headphones can cause hearing damage/hearing loss.
Power Cable (Accessory)
USB Cable (Accessory)
Desktop Computer
HDMI Cable (Not Included)
HDMI Cable (Accessory)
AV Equipment etc.
Displayport Cable (Accessory)
Displayport Cable
(Not Included)
Laptop Computer
Mouse Keyboard
GAME
Equipment
etc.
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14 BEFORE YOU OPERATE THE MONITOR
Signal Timing
Change to the desired signal timing listed on page 34: COMPLIANT TIMING.
COMPUTER SETTING
For optimal viewing it is recommended to look at the full face
of the monitor.
Hold the stand so that the monitor does not topple when you
change the monitor’s angle.
You are able to adjust the monitor’s angle up to 10° upward,
2° downward.
ADJUSTING THE VIEWING ANGLE
NOTE Do not touch the LCD screen when you change
the angle. It may cause damage or break the LCD
screen.
Careful attention is required not to pinch your
ngersorhandsintothemovingpartofthestand
when you change the angle.
2° 10°
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OPERATING THE MONITOR 15
OPERATING THE MONITOR
To create the best picture, your iiyama LCD monitor has been preset at the factory
with the
COMPLIANT TIMING shown on page 34. You are also able to adjust the picture by following the
button operation shown below.
Press the Button on the remote control or the MENU Button on the monitor to start
the On Screen Display feature. There are additional Menu items which can be switched
by using the / Buttons on the remote control or the + / – Buttons on the monitor.
Select the Menu item which contains the adjustment icon relating to the adjustment
you want to make. Press the OK Button on the remote control or the MENU Button
on the monitor. Then, use the / Buttons on the remote control or the + / – Buttons
on the monitor to highlight the desired adjustment icon.
Press the OK Button on the remote control or the MENU Button on the monitor
again. Use the / Buttons on the remote control or the + / – Buttons on the
monitor to make the appropriate adjustment or setting.
Press the OK Button on the remote control or the MENU Button on the monitor, then
the / Button on the remote control or the INPUT Button on the monitor to leave
the menu, and the settings you just made would be automatically saved.
For example, to correct for OSD vertical position, select Menu item of Setup Menu and then
press the OK Button on the remote control or the MENU Button on the monitor. Then, select
OSD Vertical Position by using the / Buttons on the remote control or the + / – Buttons on the
monitor.
An adjustment scale becomes active after you press the OK Button on the remote control or the
MENU Button on the monitor. Then, use the / Buttons on the remote control or the + / –
Buttons on the monitor to change the OSD vertical position settings. The OSD vertical position
of the overall display should be changing accordingly while you are doing this.
Pressthe OK Buttonon the remotecontrol or theMENU Button onthemonitor andnally
the / Button on the remote control or the INPUT Button on the monitor to close the On
Screen Display feature. All changes are saved in the memory.
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
OSD HORIZONTAL POSITION
OSD TIME
HDR
OPENING LOGO ON
OFF
ON
OFF
LED
FreeSync Premium
ON
OFF
ON
OFF
ON
OFF
ON
OFF
SETUP MENU
OSD VERTICAL POSITION
DDC/CI
USB STANDBY MODE
USB
STD-BY
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16 OPERATING THE MONITOR
When Button operations are aborted during adjustment, On-Screen Display disappears when the
time set for the OSD Time has passed. Also, the / Button on the remote control or the INPUT
ButtononthemonitorcanbeusedtoreturnpreviousmenuandturnotheOn-ScreenDisplay.
Any changes are automatically saved in the memory when the On Screen Display
disappears.
TurningothepowershouldbeavoidedwhileusingtheMenu.
NOTE
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OPERATING THE MONITOR 17
ADJUSTMENT MENU CONTENTS
Adjustment Item Problem / Option Button to Press
Picture Adjust *1
Too dark
Too bright
Brightness *2
Contrast
Too dull
Too intense
Adv. Contrast Typical Contrast Ratio
O
On Increased Contrast Ratio
Overdrive
O/1/2/3/4/5
It will improve the gray level response time of the LCD panel.
A higher level results in a faster response time.
Brightness of back-light is reduced.
O Normal
Eco Mode1
Brightness of back-light is reduced more than Mode1.
Mode2
Brightness of back-light is reduced more than Mode2.
Mode3
Blue Light Reducer
O Typical
Mode1 Blue light is reduced.
Mode2 Blue light is reduced more than Mode1.
Mode3 Blue light is reduced more than Mode2.
Black Tuner From -5 to +5
You can adjust Dark shades.
Gamma
MBR *3
O/0/1/2/3/4/5/6/7
Improve the moving picture response time of the LCD
panel.
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
CONTRAST
OVERDRIVE
ECO
ADV. CONTRAST ON OFF
BLACK TUNER
BLUE LIGHT REDUCER
PICTURE ADJUST
BRIGHTNESS
OFF
OFF
OFF
MBR
GAMMA
OFF
GAMMA3
Gamma1
Gamma2
Gamma3
RC Monitor
Direct
*1 The availability of each item depends on which item is activated. See the Function Correlation
Matrix on page 29 for more details.
*2 Adjust the Brightness when you are using the monitor in a dark room and feel the screen is too
bright.
*3 MBR is available only when the refresh rate is 75Hz or more.
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18 OPERATING THE MONITOR
You can skip the Menu items and directly display an option setting screen by using the following
button operations.
BlueLightReducer: Keeppressingthe−Buttononthemonitorfor3secondswhentheMenuis
not displayed.
Direct
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OPERATING THE MONITOR 19
Input Source
Inputsourceisxed,notselectedautomaticallywhenHDMIandDisplayPortwhichare
selected.
NOTE
Adjustment Item Option
Input Select
Direct
You can skip the Menu items and directly display an option setting screen by using the following
button operations.
Input Select: Press the SOURCE Button on the remote control or the INPUT Button on the
monitor when the Menu is not displayed, it shows following Menu.
Direct
Search for an available input source and
select automatically.
Auto
SelecttheDigital(DisplayPort2)input.
DP2
SelecttheDigital(DisplayPort1)input.
DP1
Manual
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
DP2
HDMI2
DP1 SELECT
HDMI1
INPUT SOURCE
MANUAL
AUTO
MANUAL
SELECT
SELECT
SELECT
SelecttheDigital(HDMI2)input.
HDMI2
SelecttheDigital(HDMI1)input.
HDMI1
SELECT INPUT SOURCE
AUTO DP2 DP1 HDMI2 HDMI1
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20 OPERATING THE MONITOR
Adjustment Item Problem / Option Button to Press
Audio Adjust
Volume Too soft
Too loud
Mute Turnothesoundtemporarily.
Return the sound volume to the previous level.
On
O
MuteOnandOareswitchedasfollowsbypressingthe / or the + / – Buttons
successively. >On>O
NOTE
Direct
You can skip the Menu items and directly display an adjustment scale or an option setting screen by
using the following button operations.
Volume: Press the VOL + / – Buttons on the remote control or the + Button on the monitor when
the Menu is not displayed.
Mute: Press the Button on the remote control or keep pressing the + Button on the monitor
for 3 seconds when the Menu is not displayed.
Direct
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
MUTE
VOLUME
OPTIONS
ON
OFF
Direct
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OPERATING THE MONITOR 21
Adjustment Item Option
Store User Setting
User Modes
Save the settings of the screen adjustment. User Mode 1
Save the settings of the screen adjustment. User Mode 3
NOTE
Save the settings of the screen adjustment. User Mode 2
The monitor memorizes your customized settings below. Those settings can be invoked
from "i-Style Color" menu of "Image Adjust" later.
Contrast, Brightness, Overdrive, Adv. Contrast, Eco, Black Tuner, MBR, Gamma, Volume,
Mute, Color Settings, Sharp and Soft, Video Mode Adjust
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
STORE USER SETTING
USER MODE 1USER MODES
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22 OPERATING THE MONITOR
Adjustment Item Problem / Option Button to Press
Color Settings *
* Disabled when Blue Light Reducer or HDR is active.
Too weak
Too strong
User Preset
Cool color
Red
Green
Cool
Warm color
Normal Normal color
Warm
Blue
Color Temperature
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
COLOR TEMPERATURE
COOL NORMAL WARM
USER PRESET
RED
GREEN
BLUE
6-AXIS HUE
SATURATION
6-Axis
Hue
Saturation
Red
Yellow
Green
Cyan
Blue
Magenta
Red
Yellow
Green
Cyan
Blue
Magenta
Too weak
Too strong
Too weak
Too strong
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OPERATING THE MONITOR 23
*1 Disabled when HDR is active.
*2 Available for HDMI input only.
*3 The availability of each item depends on which item is activated. See the Function Correlation
Matrix on page 29 for more details.
Adjustment Item Option Button to Press
Image Adjust
Sharp and Soft
1 2 3 4 5 6
Youcanchangethepicturequalityfrom1to6(sharptosoft).
Press the / + Button to change the picture quality in
numerical order. Press the / – Button to change the picture
quality in reverse numerical order.
i-Style Color
Standard *1For general windows environment and monitor default
setting
O Return to a state set by color adjustment except
i-Style Color.
Text *1For text editing and viewing in a word processing
environment
Sport Game *1For Sports game environment
FPS Game *1For FPS game environment
Strategy Game *1For Strategy game environment
User Mode 1
User Mode 3
User Mode 2
Applies customized monitor settings.
Applies customized monitor settings.
Applies customized monitor settings.
HDMI Range *2Full
Limited
For full-range color scale signal
For limited color scale signal
O
On
Direct Drive Mode *3
Typical
Reduce the input-lag.
ChangingResolutionandRefreshrateorturningPowerO/OnmightdisabletheDirect
Drive Mode function.
NOTE
Enhance the picture edge.
O Normal
Soft
Enhance the picture edge more than the Middle option.
Hard
X-Res Technology *1
Enhance the picture edge more than the Soft option.Middle
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
IMAGE ADJUST
I-STYLE COLOR
SHARP AND SOFT
HDMI RANGE
VIDEO MODE ADJUST
OFF
FULL
DIRECT DRIVE MODE ON OFF
X-RES TECHNOLOGY OFF
FULL
Direct
You can skip the Menu items and directly display an option setting screen by using the following
button operations.
i-Style Color: Press the – Button on the monitor when the Menu is not displayed.
Direct
ENGLISH
24 OPERATING THE MONITOR
Image Adjust
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
IMAGE ADJUST
I-STYLE COLOR
SHARP AND SOFT
HDMI RANGE
VIDEO MODE ADJUST
OFF
FULL
DIRECT DRIVE MODE ON OFF
X-RES TECHNOLOGY OFF
FULL
Adjustment Item Option
Video Mode Adjust *3
Expansion display
Full
17inch Displaythepictureas17inchscreen(5:4).
19.5inch
21.5inch
23inch
23.8inch
24inch
Displaythepictureas19.5inchscreen(16:9).
Displaythepictureas21.5inchscreen(16:9).
Displaythepictureas23inchscreen(16:9).
Displaythepictureas23.8inchscreen(16:9).
Displaythepictureas24inchscreen(16:9).
24.5inch Displaythepictureas24.5inchscreen(16:9).
*3 The availability of each item depends on which item is activated. See the Function Correlation
Matrix on page 29 for more details.
*4 Available only with 16:10, 5:4 and 4:3 resolustions.
*5 Available only at resolutions 2560 × 1440 or less.
Expansion display of Aspect
Aspect *4
Display the picture dot by dot.
Dot by dot *5
19inch Displaythepictureas19inchscreen(5:4).
27inch
31.5inch
34inch
Displaythepictureas27inchscreen(16:9).
Displaythepictureas31.5inchscreen(16:9).
Displaythepictureas34inchscreen(16:9).
ENGLISH
OPERATING THE MONITOR 25
Adjustment Item Option
Language
Language
English
Español
English
Spanish
Deutsch German
Czech
Italiano Italian
Polish
Français French Russian
Nederlands Dutch
Polski
Portuguese
Português
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
Deutsch
Español
Français
Italiano
Nederlands
Polski
ENGLISH
CHANGE LANGUAGE
Ĉesky
Рyccкий
Português
Japanese
Ĉesky
Рyccкий
ENGLISH
26 OPERATING THE MONITOR
OSD Time You can set the OSD display duration time between
5 and 30 seconds.
Adjustment Item Problem / Option Button to Press
Setup Menu
Opening Logo
OSD Horizontal Position OSD is too left
OSD is too right
OSD is too low
OSD is too high
OSD Vertical Position
FreeSync Premium *1,2
O
On Enable the FreeSync function.
TheFreeSyncfunctionisturnedO.
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
OSD HORIZONTAL POSITION
OSD TIME
HDR
OPENING LOGO ON
OFF
ON
OFF
LED
FreeSync Premium
ON
OFF
ON
OFF
ON
OFF
ON
OFF
SETUP MENU
OSD VERTICAL POSITION
DDC/CI
USB STANDBY MODE
USB
STD-BY
O G-MASTER Logo is not displayed when the monitor is
turned on.
G-MASTER Logo is displayed when the monitor is turned on.
On
HDR *1On
O
ForHDR(HighDynamicRange)signal
For normal signal
LED The Power Indicator is turned On.
O ThePowerIndicatoristurnedO.
On
TurnOthePower Indicator when you are bothered by the light.
NOTE
*1 The availability of each item depends on which item is activated. See the Function Correlation
Matrix on page 29 for more details.
*2 Available for DisplayPort input only.
DDC/CI O
On DDC/CI is On.
DDC/CIisO.
USB Stanby mode
O The USB hub remains activated if the monitor enters into the
standby mode.
The USB hub enters into the standby mode in synchronization
with the monitor.
On
ENGLISH
OPERATING THE MONITOR 27
Adjustment Item Option
Reset
Yes Factory-preset data is restored.
Display Information
See your graphic card user guide for more information about changing the resolution
and refresh.
NOTE
Displays information regarding the current input signal coming from the graphic card in your
computer.
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
3840 X 2160 60 Hz DP1
DISPLAY INFORMATION
PICTURE ADJUST
DISPLAY INFORMATION
IMAGE ADJUST
COLOR SETTINGS
LANGUAGE
RESET
STORE USER SETTING
INPUT SELECT
AUDIO ADJUST
SETUP MENU
G-MASTER G4380UHSU
RESET ALL?
YES
Direct
Direct
You can skip the Menu items and directly perform "Reset" by using the following button operations.
Reset: WhilethemonitoristurnedO,pressthe Button and the INPUT Button on the monitor
at the same time.
ENGLISH
28 OPERATING THE MONITOR
Lock Mode:
<OSD>
If you turn on the monitor with holding down the MENU Button on the monitor while the monitor is
o,theOSDbuttonoperationswillbelocked/unlocked.
<Power / OSD>
If you keep pressing the MENU Button on the monitor for 10 seconds when the Menu is not
displayed, the Power / OSD button operations will be locked / unlocked.
ENGLISH
OPERATING THE MONITOR 29
Function Correlation Matrix
Selected item
Active item
Picture Adjust Image Adjust Setup Menu
Contrast Brightness Overdrive Adv.
Contrast Eco Blue
Light
Reducer
Black
Tuner MBR Gamma Direct
Drive
Mode
Video Mode Adjust
HDR FreeSync
Premium
Full /
Aspect Dot by dot /
17-34inch
Picture Adjust
Adv. Contrast – – – – – – –
Eco –– – – –
Blue Light Reducer – – – –
MBR – – – – – – – –
Image Adjust
i-Style
Color
Standard / Sport Game /
FPS Game /
Strategy Game / Text – – – – – – – – – – –
User Mode 1/2/3
Direct
Drive
Mode
On –
O – – –
Video
Mode
Adjust
Full / Aspect
Dot by dot / 17-34inch – –– –
Setup
Menu
HDR – – –– – – – –
FreeSync Premium – – –
: Available
– : Not available
ENGLISH
30 OPERATING THE MONITOR
STANDBY FEATURE
Standby Mode
Whenthevideosignal from the computer iso, the monitor entersinto Standby Modewhich
reduces the power consumption to 0.5W or less*. The screen becomes dark, and the power
indicator turns to orange. From Standby Mode, the image reappears in several seconds when
either the keyboard or the mouse are touched again.
This product features the standby function. When activated, it automatically reduces unnecessary
power consumption of the monitor when your computer is not in use.
There is a standby step the monitor takes as described below. The standby function, including
anytimersettingsisconguredbytheoperatingsystem.Checkyouroperatingsystemmanualfor
informationonhowthiscanbecongured.
* When the "USB Standby mode" of "Setup Menu" is On.
0 0.5W 100%
POWER
CONSUMPTION
Blue
Orange
Power Indicator
NORMAL MODE
STANDBY MODE
*
ENGLISH
TROUBLE SHOOTING 31
TROUBLE SHOOTING
1. Perform the adjustments described in OPERATING THE MONITOR, depending on the problem
you have. If the monitor does not get a picture, skip to 2.
2.ConsultthefollowingitemsifyoucannotndanappropriateadjustmentiteminOPERATINGTHE
MONITOR or if the problem persists.
3. If you are experiencing a problem which is not described below or you cannot correct the
problem, discontinue using the monitor and contact your dealer or iiyama service center for further
assistance.
Problem Check
(Powerindicator
isorange.)
The screen is not
synchronized.
If the monitor fails to operate correctly, please follow the steps below for a possible solution.
(Powerindicator
isblue.)
The picture does
not appear.
(Powerindicator
doesnotlightup.)
The screen
position is not in
the center.
The screen is too
bright or too dark.
ThePowerCableisrmlyseatedinthesocket.
The Power Switch is turned ON.
The AC socket is live. Please check with another piece of equipment.
If the blank screen saver is in active mode, touch the keyboard or the
mouse.
Increase the Contrast and/or Brightness.
The computer is ON.
The Signal Cable is properly connected.
Thesignaltimingofthecomputeriswithinthespecicationofthemonitor.
If the monitor is in standby mode, touch the keyboard or the mouse.
The computer is ON.
The Signal Cable is properly connected.
Thesignaltimingofthecomputeriswithinthespecicationofthemonitor.
The Signal Cable is properly connected.
Thesignaltimingofthecomputeriswithinthespecicationofthemonitor.
Thesignaltimingofthecomputeriswithinthespecicationofthemonitor.
Thevideo outputlevel of thecomputer is withinthe specicationof the
monitor.
ENGLISH
32 TROUBLE SHOOTING / RECYCLING INFORMATION
The screen is
shaking.
Thepowervoltageiswithinthespecicationofthemonitor.
Thesignaltimingofthecomputeriswithinthespecicationofthemonitor.
Theaudioequipment(computeretc.)isON.
The Volume is turned up.
The Mute is OFF.
Theaudiooutputleveloftheaudioequipmentiswithinthespecication
of the monitor.
Theaudiooutputleveloftheaudioequipmentiswithinthespecication
of the monitor.
Problem Check
No sound.
For better environment protection please don't dispose your monitor.
Please visit our web site: www.iiyama.com for monitor recycling.
RECYCLING INFORMATION
The sound is too
loud or too quiet.
ENGLISH
APPENDIX 33
APPENDIX
Designandspecicationsaresubjecttochangewithoutpriornotice.
SPECIFICATIONS
Size Category 43"
LCD
Panel
Panel technology
VA
Size Diagonal:42.5"(108cm)
Pixel pitch 0.245mm H × 0.245mm V
Brightness 550cd/m2(Typical)
Contrast ratio 4000:1(Typical),AdvancedContrastFunctionAvailable
Viewable angle Right / Left: 89° each, Up / Down: 89°each(Typical)
MPRT 0.4ms
Display Colors Approx. 1.07 Billion
Sync Frequency
HDMI: Horizontal: 30.0-135.0kHz, Vertical: 30-120Hz
DisplayPort(FreeSync:O):
Horizontal: 30.0-330.0kHz, Vertical: 48-144Hz
DisplayPort(FreeSync:On):
Horizontal: 30.0-275.0kHz, Vertical: 48-120Hz
Native Resolution 3840 × 2160, 8.2 MegaPixels
Support max. resolution
HDMI: 3840 × 2160 60Hz
2560 × 1440 120Hz
DisplayPort(FreeSync:O):3840×2160144Hz
DisplayPort(FreeSync:On):3840×2160120Hz
Input Connector HDMI × 2, DisplayPort × 2
Input Video Signal HDMI, DisplayPort
USB Standard USB3.0(DC5V,900mА)×1,USB3.0(DC5V,1.5А)×1,
USB2.0(DC5V,500mА)×2
Number of USB Ports
Connector shape
1 Upstream: Series B
4 Downstream: Series A
Headphone Connector ø3.5mmminijack(Stereo)
Speakers 7W×2(Stereospeakers)
Maximum Screen Size 941.18mm W × 529.42mm H / 37.1" W × 20.8" H
Power Source 100-240VAC, 50/60Hz, 1.5A
Power Consumption *185Wtypical(45Wtypicalinfactoryconguration)
Standbymode:0.5Wmaximum,Omode:0.3Wmaximum
Dimensions *2
Net Weight
977.5×621.5×251.0mm/38.5×24.5×9.9"(W×H×D)
14.9kg / 32.8lbs
Tilt Angle Upward: 10°, Downward: 2°
Environmental
Considerations
Operating:
Storage:
Temperature
Humidity
Temperature
Humidity
5 to 35°C / 41 to 95°F
10to80%(Nocondensation)
-20 to 60°C / -4 to 140°F
5to85%(Nocondensation)
Approvals CE, UKCA, TÜV-Bauart, EAC, VCCI, PSE
*1 When the "USB Standby mode" of "Setup Menu" is On.
*2 Protruding portions are not included.
NOTE
ENGLISH
34 APPENDIX
DIMENSIONS
M304A21
251.0mm/9.9”
58.0mm/2.3”
157.5mm/
6.2”
493.0mm/19.4”
977.5mm/38.5”
944.0mm/37.2”
567.5mm/22.3”
532.0mm/20.9”
621.5mm/24.5”
COMPLIANT TIMING
Video Mode Horizontal
Frequency Vertical
Frequency Dot Clock
800 × 600 37.879kHz 60.317Hz 40.000MHz
46.875kHz 75.000Hz 49.500MHz
1024 × 768 48.363kHz 60.004Hz 65.000MHz
60.023kHz 75.029Hz 78.750MHz
1280 × 1024 63.981kHz 60.020Hz 108.000MHz
79.976kHz 75.025Hz 135.000MHz
1680 × 1050 65.290kHz 60.000Hz 146.250MHz
1920 × 1080 67.500kHz 60.000Hz 148.500MHz
137.280kHz 120.000Hz 285.542MHz
2560 × 1440 183.000kHz 120.000Hz 497.760MHz
3840 × 2160
67.500kHz 30.000Hz 297.000MHz *1
135.000kHz 60.000Hz 594.000MHz
179.440kHz 80.000Hz 703.405MHz *2
226.500kHz 100.000Hz 887.880MHz *2
274.440kHz 120.000Hz 1075.805MHz *2
329.330kHz 144.000Hz 1290.966MHz *2,3
*1 Available for HDMI input only.
*2 Available for DisplayPort input only.
*3 AvailableonlywhentheFreeSyncfunctionisO.
NOTE
Console 1080p
(1920×1080) 1440p
(2560×1440) 2160p
(3840×2160)
PS5 60 / 120Hz – 60Hz
Xbox Series X/S 60 / 120Hz 120Hz 60Hz