NEC Computer Monitor PA231W User Manual
MultiSync PA231W  
MultiSync PA241W  
MultiSync PA271W  
MultiSync PA301W  
User’s Manual  
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WARNING  
TO PREVENT FIRE OR SHOCK HAZARDS, DO NOT EXPOSE THIS UNIT TO RAIN OR MOISTURE. ALSO, DO NOT  
USE THIS UNIT’S POLARIZED PLUG WITH AN EXTENSION CORD RECEPTACLE OR OTHER OUTLETS UNLESS THE  
PRONGS CAN BE FULLY INSERTED.  
REFRAIN FROM OPENING THE CABINET AS THERE ARE HIGH VOLTAGE COMPONENTS INSIDE. REFER  
SERVICING TO QUALIFIED SERVICE PERSONNEL.  
CAUTION  
CAUTION:  
TO REDUCE THE RISK OF ELECTRIC SHOCK, MAKE SURE POWER CORD IS UNPLUGGED  
FROM WALL SOCKET. TO FULLY DISENGAGE THE POWER TO THE UNIT, PLEASE DISCONNECT  
THE POWER CORD FROM THE AC OUTLET.DO NOT REMOVE COVER (OR BACK). NO USER  
SERVICEABLE PARTS INSIDE. REFER SERVICING TO QUALIFIED SERVICE PERSONNEL.  
This symbol warns user that uninsulated voltage within the unit may have sufficient magnitude to cause  
electric shock. Therefore, it is dangerous to make any kind of contact with any part inside this unit.  
This symbol alerts the user that important literature concerning the operation and maintenance of this unit  
has been included. Therefore, it should be read carefully in order to avoid any problems.  
CAUTION: Please use the power cord provided with this display in accordance with the table below. If a power cord is not  
supplied with this equipment, please contact your supplier. For all other cases, please use a power cord that matches the  
AC voltage of the power outlet and has been approved by and complies with the safety standard of your particular country.  
European  
Continental  
Plug Type  
North America  
U.K.  
Chinese  
Japanese  
Plug Shape  
Country  
Voltage  
U.S.A./Canada  
120*  
EU (except U.K.)  
230  
U.K.  
230  
China  
220  
Japan  
100  
*When operating the monitor with its AC 125-240V power supply, use a power supply cord that matches the power supply  
voltage of the AC power outlet being used.  
NOTE:  
This product can only be serviced in the country where it was purchased.  
Declaration  
Declaration of the Manufacturer  
We hereby certify that the color monitor MultiSync PA231W  
(L239TW)/MultiSync PA241W (L249TU)/MultiSync PA271W  
(L279TV)/MultiSync PA301W (L309TY)/MultiSync PA301W  
(PA301W-BK-L1(W)) are in compliance with:  
and marked with  
Council Directive 2006/95/EC:  
– EN 60950-1  
NEC Display Solutions, Ltd.  
Council Directive 2004/108/EC:  
– EN 55022  
4-13-23, Shibaura,  
Minato-Ku  
Tokyo 108-0023, Japan  
– EN 61000-3-2  
– EN 61000-3-3  
– EN 55024  
Council Directive 2009/125/EC:  
EC No. 1275/2008  
– EN 62301:2005  
Windows is a registered trademark of Microsoft Corporation. NEC is a registered trademark of NEC Corporation.  
ErgoDesign is a registered trademark of NEC Display Solutions, Ltd. in Austria, Benelux, Denmark, France, Germany, Italy,  
Norway, Spain, Sweden, U.K.  
All other brands and product names are trademarks or registered trademarks of their respective owners.  
Adobe® is a registered trademark or trademark of Adobe Systems Incorporated in the U.S. and/or other  
countries.  
The DisplayPort Icon is a trademark of the Video Electronics Standards Association, registered in the U.S.  
and other countries.  
English-1  
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Canadian Department of Communications  
Compliance Statement  
DOC: This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment Regulations.  
C-UL: Bears the C-UL Mark and is in compliance with Canadian Safety Regulations according to CAN/CSA C22.2 No. 60950-1.  
FCC Information  
1.  
Use the attached specified cables with the MultiSync PA231W/MultiSync PA241W/MultiSync PA271W/MultiSync  
PA301W color monitor so as not to interfere with radio and television reception.  
(1)  
The power supply cord you use must have been approved by and comply with the safety standards of U.S.A.,  
and meet the following condition.  
Power supply cord  
Length  
Non shield type, 3-conductor  
2.0 m (PA231W/PA241W), 3.0 m (PA271W/PA301W)  
Plug shape  
U.S.A  
(2)  
Please use the supplied shielded video signal cable, 15-pin mini D-SUB to D-SUB cable or DVI-D to DVI-D cable.  
Use of other cables and adapters may cause interference with radio and television reception.  
2.  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to part 15 of  
the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential  
installation. This equipment generates, uses, and can radiate radio frequency energy, and, if not installed and used  
in accordance with the instructions, may cause harmful interference to radio communications. However, there is no  
guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to  
radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try  
to correct the interference by one or more of the following measures:  
•
•
•
•
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult your dealer or an experienced radio/TV technician for help.  
If necessary, the user should contact the dealer or an experienced radio/television technician for additional suggestions.  
The user may find the following booklet, prepared by the Federal Communications Commission, helpful: “How to Identify  
and Resolve Radio-TV Interference Problems.” This booklet is available from the U.S. Government Printing Office,  
Washington, D.C., 20402, Stock No. 004-000-00345-4.  
Declaration of Conformity  
This device complies with Part 15 of FCC Rules. Operation is subject to the following two conditions. (1) This device may not  
cause harmful interference, and (2) this device must accept any interference received, including interference that may cause  
undesired operation.  
U.S. Responsible Party: NEC Display Solutions of America, Inc.  
Address:  
500 Park Blvd, Suite 1100  
Itasca, Illinois 60143  
(630) 467-3000  
Tel. No.:  
Type of Product:  
Display Monitor  
Equipment Classification: Class B Peripheral  
Models: MultiSync PA231W (L239TW)  
MultiSync PA241W (L249TU)  
MultiSync PA271W (L279TV)  
MultiSync PA301W (L309TY)  
MultiSync PA301W (PA301W-BK-L1(W))  
We hereby declare that the equipment specified above conforms  
to the technical standards as specified in the FCC Rules.  
English-2  
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Product Features  
•
•
•
•
•
•
•
DisplayPort, which supports 10-bit color depth.  
5-setting, easy-to-switch picture mode (see page 11).  
Accurate color reproduction for high-end graphic design (see page 15).  
Quick warmup time (for PA241W/PA271W/PA301W).  
Picture-in-picture/picture-by-picture dual-screen mode includes real-time preview (see page 12).  
USB hub with two upstream ports (see page 12).  
MultiProfiler extends color management feature, including automatic ICC profile updates (ICC profile Emulation, Printer  
Emulation) (see page 15).  
•
•
•
Low power consumption via ECO Mode (see page 10).  
Small footprint design.  
Self calibration with optional sensor (PA301W only).  
Contents  
Your new NEC monitor box* should contain the following:  
•
•
•
•
•
•
•
•
•
MultiSync monitor with tilt/swivel/pivot/height adjust stand  
Power Cord  
Video Signal Cable (DVI-D to DVI-D cable)*1  
Video Signal Cable (Mini D-SUB 15 pin to Mini D-SUB 15 pin) (only for PA231W/PA241W)  
DisplayPort cable  
USB Cable  
Setup Manual  
CD-ROM  
Screw (x 4) (to mount the monitor to a flexible arm (page 8))  
CD-ROM  
Mini D-SUB 15 pin to  
Mini D-SUB 15 pin  
(only for PA231W/PA241W)  
Power Cord*2  
Screws  
Setup Manual  
USB Cable  
DVI-D to DVI-D cable*1  
DisplayPort cable  
NOTE:  
This monitor can be equipped with optional “MultiSync Sound bar” (except PA301W).  
Please ask your dealer or check our website http://www.necdisplaysolution.com  
*
*
*
Remember to save your original box and packing material to transport or ship the monitor.  
1
2
Dual link DVI cable for PA271W/PA301W.  
Type and number of power cords included will depend on the where the LCD monitor is to be shipped. When more than one power cord is  
included, please use a power cord that matches the AC voltage of the power outlet and has been approved by and complies with the safety  
standard of your particular country.  
English-3  
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Quick Start  
To connect the LCD monitor to your system, follow these instructions:  
NOTE:  
Make sure to read “Recommended Use” (page 24) before installation.  
In order to display the maximum resolution, a video card that can output a resolution of 2560 x 1440 (PA271W) or  
2560 x 1600 (PA301W) is needed.  
PA301W only: The monitor must be installed or carried by two or more people.  
1. Turn off the power to your computer.  
2. For a PC or MAC with DVI digital output: Connect the DVI signal cable to the connector of the display card in your system  
(Figure A.1). Tighten all screws.  
For a PC with Analog output (only for PA231W/PA241W): Connect a 15-pin mini D-SUB to DVI-A signal cable (not  
included) to the connector of the display card in your system (Figure A.2).  
For a MAC (only for PA231W/PA241W): Connect a Macintosh cable adapter (not included) to the computer, then attach the  
15-pin mini D-SUB signal cable to the Macintosh cable adapter (Figure A.3).  
NOTE:  
Some Macintosh systems do not require a Macintosh cable adapter.  
For a PC with DisplayPort output: Connect the DisplayPort cable to the connector of the display card in your system  
(Figure A.4).  
Macintosh Cable  
Figure A.2  
Adapter  
DisplayPort cable  
Figure A.3  
Figure A.4  
Figure A.1  
(not included)  
NOTE:  
1. Please use a DisplayPort cable with a DisplayPort logo.  
2. When removing the DisplayPort cable, hold down the top button to release the lock.  
3. Height adjustment is locked by lock button. Place hand on top of the monitor to push down the screen to the lowest position.  
Slide the lock button to unlock (Figure B.1).  
NOTE:  
Handle with care when unlocking stand.  
Place hands on each side of the monitor to tilt the LCD panel 30-degree angle and lift up to the highest position.  
Slide the cable cover up (Figure B.2).  
NOTE:  
Cable cover is not removable.  
30° Tilt  
Cable cover  
Figure B.1  
Figure B.2  
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4. Connect all cables to the appropriate connectors (Figure C.1). When using the USB cable, connect the B type connector  
to the USB upstream port on the right back side of the monitor and the A type connector to the downstream port on the  
computer (Figure C.1a). If using the cord from a USB device, plug into one of the downstream ports of the monitor.  
NOTE:  
Incorrect cable connections may result in irregular operation, damage display quality/components of LCD module  
and/or shorten the module’s life.  
30° Tilt  
USB downstream*2  
A Type  
A Type  
Highest  
B Type  
Stand  
Position  
B Type  
USB downstream  
USB upstream1  
USB upstream2  
Figure C.1a  
DisplayPort-2*4  
DVI-1  
D-SUB*1  
DisplayPort*3  
DVI-2  
DC-OUT*  
Power cord  
* NEC optional product attachment (except PA301W).  
Do not use this connector unless specified.  
Figure C.1  
5. To keep the cables neatly organized, place them into the cable management system that is built into the stand.  
Place the cables in the hooks firmly and evenly (Figure C.2 and Figure C.3).  
6. Please check that you can still rotate, raise and lower the monitor screen when you have installed the cables.  
Power Cord  
D-SUB Cable*1  
Power Cord  
DVI-1 Cable  
D-SUB Cable*1  
DVI-1/DVI-2 Cables  
DisplayPort Cable  
USB Cable  
USB Cable  
DisplayPort  
Cable  
Figure C.2  
Figure C.3  
*1 Only for PA231W/PA241W.  
*2 Connect sensor to this port for self calibration (PA301W). (See page 34)  
*3 DisplayPort-1 for PA301W.  
*4 Only for PA301W.  
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7. Slide down the cable cover (Figure D.1).  
8. Connect one end of the power cord to the AC inlet on the back of the monitor and the other end to the power outlet.  
NOTE:  
Please refer to Caution section of this manual for proper selection of AC power cord.  
Figure D.1  
9. Turn on the monitor with the front power button (Figure E.1) and the computer.  
10. Only for PA231W/PA241W: No-touch auto adjust automatically adjusts the monitor to optimal settings upon initial setup for  
most timings. For further adjustments, use the following OSD controls:  
• Auto Contrast (Analog input only)  
• Auto Adjust (Analog input only)  
Refer to the Controls section of this User’s Manual for a full description of these OSD controls.  
NOTE:  
If you have any problems, please refer to the Troubleshooting section of this User’s Manual.  
Power Button  
Figure E.1  
Raise and Lower Monitor Screen  
The monitor may be raised or lowered in either Portrait or Landscape mode.  
To raise or lower screen, place hands on each side of the monitor and lift or lower to the desired height (Figure RL.1).  
NOTE:  
Handle with care when raising or lowering the monitor screen.  
Figure RL.1  
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Screen Rotation  
Before rotating, the screen must be raised to the highest level and tilt to avoid knocking the screen on the desk or pinching your  
fingers. Disconnect all cables.  
To raise the screen, place hands on each side of the monitor and lift up to the highest position (Figure RL.1).  
To rotate screen, place hands on each side of the monitor screen and turn clockwise from Landscape to Portrait or counter-  
clockwise from Portrait to Landscape (Figure R.1).  
To rotate OSD menu between landscape and portrait, refer to “Controls” section.  
Figure R.1  
Tilt  
Grasp top and bottom sides of the monitor screen with your hands and adjust the tilt as desired (Figure TS.1).  
Figure TS.1  
NOTE:  
Handle with care when tilting the monitor screen.  
Swivel  
Grasp both sides of the monitor screen with your hands and adjust the swivel as desired (Figure TS.2).  
Figure TS.2  
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Flexible Arm Installation  
This LCD monitor is designed for use with a flexible arm.  
To prepare the monitor for alternate mounting purposes:  
NOTE:  
For PA301W, the monitor must be installed or moved by two or more people.  
•
•
Follow the instructions provided by the manufacturer of the display mount.  
To meet the safety requirements, the monitor must be mounted to an arm that supports the weight of the monitor.  
See pages 26-29 for details on each model. Remove the monitor stand before mounting.  
Remove Monitor Stand for Mounting  
To prepare the monitor for alternate mounting purposes:  
1. Disconnect all cables.  
2. Place hands on each side of the monitor and lift up to the highest position.  
3. Place monitor face down on a non-abrasive surface (Figure S.1).  
4. Place one hand around the base and one hand on the Quick Release Lever.  
Push and hold the Quick Release Lever in the direction indicated by the arrows  
(Figure S.1).  
5. Lift up the stand to unhook it from the monitor (Figure S.1).  
The monitor can now be mounted using an alternate method.  
Reverse process to reattach stand.  
NOTE:  
Handle with care when removing monitor stand.  
Figure S.1  
Mount Flexible arm  
This LCD monitor is designed for use with a flexible arm.  
1. Follow the instructions on how Remove Monitor Stand for  
Mounting to remove the stand.  
2. Using the 4 screws from the stand removal and attach the arm to  
the monitor (Figure F.1).  
Caution: Use ONLY the screws (4 pcs) that are included or the  
screws M4 size (Length: thickness of bracket and washer +  
10-12 mm) when mounting to avoid damage to the monitor  
and stand. To fulfil the safety requirements the monitor  
must be mounted to an arm which guaranties the  
necessary stability under consideration of the weight of  
the monitor. The LCD monitor should only be used with  
an approved arm (e.g. GS mark).  
200 mm*2 100 mm  
Unit  
Mounting  
Bracket  
Washer  
Screw  
10-12 mm  
Thickness  
of bracket  
and washer  
100 mm  
Weight of LCD assembly: 7.0 kg (PA231W)  
7.4 kg (PA241W)  
NOTE:  
Tighten all screws.  
(recommended Fasten Force: 98 - 137N•cm)  
9.6 kg (PA271W)  
12.5 kg (PA301W)  
Figure F.1  
*2 Only for PA271W/PA301W.  
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Controls  
OSD (On-Screen Display) control buttons on the front of the monitor  
function as follows:  
To access OSD menu, press the MENU button.  
To change signal input, press the SELECT button.  
NOTE:  
OSD must be closed in order to change signal input.  
8
7
Landscape  
9
Portrait  
1
2
3
4
5
6
1 AUTO DIMMING  
SENSOR  
Detects the level of ambient lighting allowing the monitor to make adjustments to various  
settings resulting in a more comfortable viewing experience. Do not cover this sensor.  
2 Power  
3 LED  
Turns the monitor on and off.  
Indicates that the power is on.  
Can be changed between blue and green in the Advanced OSD menu.  
4 INPUT/SELECT  
Enters the OSD Control menu. Enters OSD sub menus.  
Changes the input source when not in the OSD Control menu.  
Hold the button to show USB selection menu when not in the OSD Control menu*1.  
NOTE: This USB selection setting back to the current setting by OSD menu when you change  
input signal or turn off the monitor.  
5 MENU/EXIT  
6 LEFT/RIGHT  
Access OSD menu. Exits the OSD sub menu. Exits OSD Control menu.  
Navigates to the left or right through the OSD Control menu.  
You can adjust the brightness directly, while the OSD menu is off*1.  
7 UP/DOWN  
8 RESET/PIP  
Navigates up or down through the OSD Control menu.  
Show Picture Mode menu when not in the OSD Control menu*1, *2.  
Resets the OSD back to factory settings in the OSD control menu.  
PIP can be selected when the OSD is not showing*3.  
Hold the button to show ECO Mode menu while the OSD menu is off*1.  
9 KEY GUIDE  
The Key Guide appears on screen when the OSD control menu is accessed.  
The Key Guide will rotate when the OSD control menu is rotated*.  
* The “LEFT/RIGHT” and “UP/DOWN” buttons functionality is interchangeable depending on the orientation  
(Landscape/Portrait) of the OSD.  
Example:  
PA241W  
*1 When HotKey function is OFF, this function is disabled.  
*2 PICTURE MODE menu.  
Press the UP/DOWN button to select PICTURE MODE. In PIP or PICTURE BY PICTURE mode, picture mode can  
be selected for main and sub window independently by pressing LEFT/RIGHT button.  
*3 PIP mode menu.  
Press the UP/DOWN button to select sub-window ON/OFF. Press the LEFT/RIGHT button to swap main window  
and sub window.  
SETTING OSD LANGUAGE  
•
•
•
Use the control keys (LEFT/RIGHT or UP/DOWN or MENU) to access the “LANGUAGE SELECTION” menu.  
Press the LEFT/RIGHT or UP/DOWN buttons to select the desired OSD language.  
To exit from this OSD menu, press EXIT button.  
NOTE:  
Setting the OSD language is only necessary upon initial setup. The OSD language will stay the same until changed  
by the user.  
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Brightness/Contrast Controls  
BRIGHTNESS  
Adjusts the overall image and background screen brightness.  
NOTE: The brightness level is adjusted using the backlight output.  
The display will digitally compensate for low or high brightness levels.  
If digital compensation occurs, the brightness value on the OSD will change to magenta.  
NOTE: The optimal display performance will be in the range where the OSD brightness value is black. When the  
display cannot achieve the desired brightness, the numerical brightness value on the OSD will blink.  
NOTE: For low brightness settings, the display will automatically compensate by adjusting the screen contrast to  
achieve the desired brightness. This will result in a reduced contrast ratio and the OSD indicator will change  
to magenta.  
NOTE: For high brightness settings, the display will automatically compensate by turning down uniformity  
compensation in order to achieve the desired brightness. The OSD indicator will change to magenta and this  
may result in decreased uniformity.  
CONTRAST (Analog input only)*1  
Adjusts the overall image and background screen brightness by input signal level.  
NOTE: It is recommended to use BRIGHTNESS to adjust screen brightness for lower power consumption and  
improved image quality.  
ECO MODE  
Decreases the amount of power consumed by reducing the brightness level.  
OFF: No function.  
MODE1: Decreases the brightness range up to about 160 cd/m2 (PA231W).  
Decreases the brightness range up to about 200 cd/m2 (PA241W/PA271W/PA301W).  
MODE2: Decreases the brightness range up to about 100 cd/m2.  
BLACK  
Adjusts the black luminance.  
When low settings are selected that cannot be displayed, the indicator on the OSD will turn magenta.  
Auto Adjust (Analog input only)*1  
AUTO ADJUST  
Automatically adjusts the Image Position and H. Size settings and Fine settings.  
AUTO CONTRAST  
Adjusts the image displayed for non-standard video inputs.  
Image Controls  
LEFT / RIGHT  
Controls Horizontal Image Position within the display area of the LCD.  
DOWN / UP  
Controls Vertical Image Position within the display area of the LCD.  
H.SIZE (V.SIZE) (Analog input only)*1  
Adjusts the horizontal size by increasing or decreasing this setting.  
If the “AUTO Adjust function” do not give you a satisfactory picture setting, a further tuning can be performed using the  
“H.Size (or V.Size)” function (dot clock). For this a Moiré test pattern could be used. This function may alter the width of  
the picture. Use LEFT/RIGHT Menu to center the image on the screen. If the H.Size (or V.Size) is wrongly calibrated,  
the result would look like the left drawing. The image should be homogeneous.  
When H.SIZE value is  
wrong.  
When H.SIZE value is  
improved.  
When H.SIZE value is  
correct.  
*1 Only for PA231W/PA241W.  
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FINE (Analog input only)*1  
Improves focus, clarity and image stability by increasing or decreasing this setting.  
If the “Auto Adjust function” and the “H.Size” function do not give you a satisfactory picture setting, a fine tuning can be  
performed using the “Fine” function.  
For this a Moiré test pattern could be used. If the Fine value is wrongly calibrated, the result would look like the left  
drawing. The image should be homogeneous.  
When FINE value is  
wrong.  
When FINE value is  
correct.  
AUTO FINE (Analog input only)*1  
This function automatically and periodically adjusts the “FINE” setting for change in signal condition.  
This function adjusts approximately every 33 minutes.  
EXPANSION  
Sets the zoom method.  
FULL: The image is expanded to full screen, regardless of the resolution.  
ASPECT: The image is expanded without changing the aspect ratio.  
OFF: The image is not expanded.  
CUSTOM: Refer to the Advanced OSD menu for detailed instructions.  
SHARPNESS  
This function is digitally capable of keeping crisp image at any time. It is continuously adjustable to get as distinct or as  
soft an image as your prefer and set independently by different timings.  
Color Control Systems  
PICTURE MODE  
Change the Picture mode that is most suitable for the type of content that is shown. You can change up to 5 types.  
See Advanced menu Tag1 PICTURE MODE (page 16) and “Using the PICTURE MODE function” (page 15) for more  
information.  
WHITE  
Adjust the white temperature by NATIVE or increasing or decreasing this setting. A lower color temperature will make  
the screen reddish and a higher color temperature will make the screen bluish. NATIVE is a default color temperature  
of LCD panel. 6500K is recommended for general graphic design and 5000K is recommended for print matching.  
ADJUST  
HUE: Adjusts the hue of each color*2. The change in color will appear on screen and the menu color bars will show the  
amount of adjustment.  
OFFSET: Adjusts the color brightness of each color*2. Press “RIGHT” button and the color brightness increases.  
SATURATION: Adjusts the color depth of each color*2. Press the “RIGHT” button and the color vividness increases.  
*2: RED, YELLOW, GREEN, CYAN, BLUE and MAGENTA.  
ADVANCED SETTING  
Shows ADVANCED MENU. See page 16 for detailed information. Set PICTURE MODE in detail in Advanced manual  
Tag1.  
*1 Only for PA231W/PA241W.  
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Tools  
PIP MODE  
Select PIP MODE, OFF/PIP/PICTURE BY PICTURE - ASPECT/PICTURE BY PICTURE - FULL.  
You can select individual PICTURE MODE in each screen.  
This display can display 2 inputs at a time.  
PICTURE BY  
PICTURE BY  
OFF  
PIP*2  
PICTURE - ASPECT*3 PICTURE - FULL*3  
IMAGE ROTATION: ON / SUB IMAGE ROTATION: ON  
PICTURE BY  
PICTURE BY  
OFF*1  
PIP*1  
PICTURE - ASPECT*3 PICTURE - FULL*3  
PIP INPUT  
Selects the PIP input signal.  
PIP LEFT/RIGHT  
Controls the horizontal position of the Picture in Picture window in PIP mode.  
PIP DOWN/UP  
Controls the vertical position of the Picture in Picture window in PIP mode.  
PIP SIZE  
Selects the size of the sub-picture used in PIP mode.  
USB SELECTION  
Change USB upstream input associated with the current display input, 1 or 2. When connecting a computer to each  
of the upstream ports, the monitor's USB downstream ports can be used by selecting this setting for the current input  
signal.  
You can change the active display and upstream USB port combination by using the Input button (see page 9).  
You can set the USB selection for each input signals in Advanced menu (see page 20).  
When using only one upstream port, the connected upstream port is used by default.  
NOTE: To avoid data loss, before changing USB upstream ports, ensure that no USB storage devices are in use by  
the operating system of the computer attached to the USB upstream port.  
EDID EXTENSION (DVI Input Only)  
A communication setting with input device, containing signal timing.  
NORMAL: When a PC or other computer equipment is connected, select “NORMAL”.  
ENHANCED: Alternate setting for non-PC devices such as DVD players or game consoles. When a DVD player or  
other type of high definition device is connected, select “ENHANCED”.  
NOTE: Interlaced signals (480i, 576i, 1080i) are not supported. If you have any problems, please refer to the  
Troubleshooting section of this User’s Manual.  
When EDID EXTENSION has been changed, the connected equipment has to be restarted.  
VIDEO DETECT  
Selects the method of video detection when more than one video input is connected.  
FIRST: When current video input signal is not present, then the monitor searches for a video signal from the other  
video input port. If the video signal is present in the other port, then the monitor switches the video source input port  
to the new found video source automatically. The monitor will not look for other video signals while the current video  
source is present.  
LAST: When the monitor is displaying a signal from the current source and a new secondary source is supplied to  
the monitor, then the monitor will automatically switch to the new video source. When current video input signal is not  
present, then the monitor searches for a video signal from the other video input port. If the video signal is present in the  
other port, then the monitor switches the video source input port to the new found video source automatically.  
NONE: The Monitor will not search the other video input port unless the monitor is turned on.  
*1 Only for PA231W/PA241W.  
*2 PA271W: Sub Window by DisplayPort or DVI-1 is displayed on the left half of the display only. Sub Window by DVI-2 is displayed on the right half of the display only.  
PA301W: Sub Window by DisplayPort-1 or DVI-1 is displayed on the left half of the display only. Sub Window by DispalyPort-2 or DVI-2 is displayed on the right half of the  
display only.  
*3 PA271W: When Main Window is DVI-2, it is impossible to select PICTURE BY PICTURE - ASPECT/FULL. And, when PICTURE BY PICTURE - ASPECT/FULL is selected, it is  
impossible to change the Main Window Input to DVI-2. If DVI signal and PICTURE BY PICTURE are used, please connect to DVI-1 input for Main Window.  
PA301W: When Main Window is DisplayPort-2 or DVI-2, it is impossible to select PICTURE BY PICTURE - ASPECT/FULL. And, when PICTURE BY PICTURE - ASPECT/FULL is  
selected, it is impossible to change the Main Window Input to DisplayPort-2 or DVI-2. If DisplayPort or DVI signal and PICTURE BY PICTURE are used, please connect to  
DisplayPort-1 or DVI-1 input for Main Window.  
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OFF TIMER  
Monitor will automatically power-down when you have selected a pre-determined amount of time.  
Before powering off, a message will appear on the screen asking if you want to delay the turn off time by 60 minutes.  
Press any OSD button to delay the power-down time.  
OFF MODE  
The Intelligent Power Manager allows the monitor to enter into a power saving mode after a period of inactivity.  
The OFF MODE has three settings.  
OFF: Monitor does not go into power save mode when the input signal is lost.  
STANDARD: Monitor enters power save mode automatically when the input signal is lost.  
OPTION: Monitor enters power save mode automatically when the amount of surrounding light goes below the level that  
is determined by the user. The level can be adjusted in OFF MODE SETTING in Tag 6 of the Advanced OSD menu.  
When in power save mode, the LED on the front of the monitor blinks amber. While in power save mode, push any of  
the front buttons, except for POWER and SELECT to return to normal.  
When the amount of surrounding light returns to normal levels, the monitor will automatically return to normal mode.  
MENU Tools  
LANGUAGE  
OSD control menus are available in nine languages.  
OSD LEFT/RIGHT  
You can choose where you would like the OSD control image to appear on your screen. Selecting OSD Location  
allows you to manually adjust the position of the OSD control menu left or right.  
OSD DOWN/UP  
You can choose where you would like the OSD control image to appear on your screen. Selecting OSD Location  
allows you to manually adjust the position of the OSD control menu Up or Down.  
OSD TURN OFF  
The OSD control menu will stay on as long as it is use. You can select how long the monitor waits after the last touch  
of a button to shut off the OSD control menu. The preset choices are 10-120 seconds by 5-second increments.  
OSD LOCK OUT  
This control completely locks out access to all OSD control functions. When attempting to activate OSD controls while  
in the Lock Out mode, a screen will appear indicating the OSD controls are locked out.  
There are four types of OSD LOCK OUT:  
OSD LOCK OUT with no control: To activate the OSD Lock Out function, press SELECT, then “RIGHT” button and  
hold down simultaneously. To deactivate the OSD Lock Out, press SELECT, then “RIGHT” button and hold down  
simultaneously while in the OSD menu. No controls can be adjusted while in the lock out mode.  
OSD LOCK OUT with BRIGHTNESS (only) control: To activate the OSD Lock Out function, press SELECT, then  
“DOWN” and “LEFT” buttons and hold down simultaneously. To deactivate the OSD Lock Out, press SELECT, then  
“DOWN” and “LEFT” buttons and hold down simultaneously while in the OSD menu. BRIGHTNESS can be adjusted  
while in this lock out mode.  
CUSTOM: Refer to the Advanced OSD Menu.  
OSD TRANSPARENCY  
Adjusts the transparency of the OSD Menu.  
OSD COLOR  
Adjusts the color of the OSD Menu. “Tag window frame color”, “Item select color” and “Adjust window frame color” can  
be changed to Red, Green, Blue, or Gray.  
RESOLUTION NOTIFIER  
This optimal resolution is 1920 x 1080 for PA231W, 1920 x 1200 for PA241W, 2560 x 1440 for PA271W or 2560 x 1600  
for PA301W. If ON is selected, a message will appear on the screen after 30 seconds, notifying you that the resolution  
is not at 1920 x 1080 for PA231W, 1920 x 1200 for PA241W, 2560 x 1440 for PA271W or 2560 x 1600 for PA301W.  
HOT KEY  
You can adjust the BRIGHTNESS directly. When this function is set to ON, you can adjust the brightness with “LEFT”  
or “RIGHT”, while the OSD menu is off. The standard OSD can be accessed with the EXIT button. When this function  
is set to OFF, some buttons are disabled (see page 9).  
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FACTORY PRESET  
Selecting Factory Preset allows you to reset all OSD control settings (BRIGHTNESS, CONTRAST*1, ECOMODE,  
BLACK, IMAGE CONTROL, COLOR CONTROL SYSTEM, SHARPNESS, PIP MODE, PIP INPUT, PIP LEFT/RIGHT,  
PIP DOWN/UP, PIP SIZE, USB SELECTION, EDID EXTENSION, OFF TIMER, OFF MODE, OSD LEFT/RIGHT,  
OSD UP/DOWN, OSD TURN OFF, OSD TRANSPARENCY) back to the factory settings. Individual settings can be  
reset by highlighting the control to be reset and pressing the RESET button.  
NOTE: If you want reset to include the Picture calibration settings and SELF COLOR CORRECTION settings,  
please use Factory Preset in Advanced OSD menu (see page 21).  
ECO Information  
CARBON SAVINGS: Displays the estimated carbon savings information in kg.  
COST: Displays the electricity cost savings in balance.  
CARBON CONVERT SETTING: Adjusts the carbon footprint factor in the carbon saving calculation. This initial setting  
is based on the OECD (2008 Edition).  
CURRENCY SETTING: Displays electricity pricing in 6 currency units.  
CURRENCY CONVERT SETTING: Displays electricity savings in kW/hour (US Currency is default).  
NOTE: This model’s initial setting is “Currency = US$” and its Currency Convert setting = $0.11.  
This setting can be changed by using the ECO information menu.  
If you want to use the French setting, please refer to steps below:  
1. Open menu by pressing the Menu button and select the ECO information menu using the “LEFT” or  
“RIGHT” key.  
2. Select Currency setting item pressing the “UP” or “DOWN” key.  
3. The French currency unit is Euro ( ). You can adjust currency setting to Euro icon ( ) from US dollar ($)  
using the “LEFT” or “RIGHT” key in Current setting item.  
4. Select Currency Convert Setting item using the “UP” or “DOWN” key.  
This initial Euro ( ) setting is Germany of OECD (2007 Edition).  
Please check receipt of French’s electricity prices or OECD data for French.  
French of OECD (2007 Edition) was 0.12.  
5. Adjust Currency Convert Setting item using the “LEFT” or “RIGHT” key.  
Information  
Provides information about the current resolution display (Main picture), current USB input setting and technical data  
including the preset timing being used and the horizontal and vertical frequencies. Indicates the model and serial  
numbers of your monitor.  
OSD Warning  
OSD Warning menus disappear with EXIT button.  
NO SIGNAL: This function gives a warning when there is no Horizontal or Vertical Sync. After power is turned on or  
when there is a change of input signal, the No Signal window will appear.  
RESOLUTION NOTIFIER: This function warms if resolution other than the optimized resolution is used. After power is  
turned on or when there is a change of input signal or the video signal doesn’t have proper resolution, the Resolution  
Notifier window will open. This function can be disabled in the MENU Tools.  
OUT OF RANGE: This function gives a recommendation of the optimized resolution and refresh rate. After the power  
is turned on or there is a change of input signal or if the video signal doesn’t have proper timing, the Out Of Range  
menu will appear.  
INTERLACED SIGNALS ARE NOT SUPPORTED: This function gives a warning when the interlace signal is used.  
While the image is visible, change the signal of the device from interlaced to progressive (non-interlaced).  
See “No Picture” in Troubleshooting for detailed information.  
If you need detailed information about the controls, please use the ADVANCED OSD menu.  
*1 Only for PA231W/PA241W.  
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Using the PICTURE MODE function  
Choose the Picture mode that is most suitable for the type of content that is shown.  
There are several types of mode (sRGB, Adobe®RGB*2, DCI*2, REC-Bt709, HIGH BRIGHT, FULL, DICOM*3,  
PROGRAMMABLE).  
•
Each PICTURE MODE includes BRIGHTNESS, AUTO BRIGHTNESS, WHITE, Color Gamut, GAMMA, BLACK,  
UNIFORMITY, COLOR VISION EMU, METAMERISM, RESPONSE IMPROVE, AMBIENT LIGHT COMP., 6-Axis ADJUST  
settings. You can change these settings in Tag1 advanced menu.  
Example: PA241W/PA271W/PA301W  
Example: PA241W/PA271W/PA301W  
The type of PRESET  
PRESET  
sRGB  
PURPOSE  
Standard color space used for the Internet, Windows operating systems and digital cameras. Recommended setting  
for general color management.  
Adobe®RGB*2  
Provides a standard color space used in high-end graphics applications such as professional digital still cameras and  
imaging.  
eciRGB_v2*2  
DCI*2  
Provides a color space profile recommended by ECI (The European Color Initiative).  
Color setting for digital cinema.  
REC-Bt709  
HIGH BRIGHT  
FULL  
Color setting for High-definition television.  
Factory setting. Highest brightness setting. Provides lowest power consumption when kept at factory setting.  
Native display color gamut. Suitable for use with color managed applications. Use ICC color profile included in the  
enclosed CD-ROM.  
DICOM*3  
Medical settings for X-ray imaging view. Setting that conforms to the DICOM standard for the Grayscale Standard  
Display Function.  
PROGRAMMABLE  
For “MultiProfiler” software or the Hardware Calibration settings by NEC Display Solutions software (some OSD  
settings are disabled).  
NOTE:  
- When selected PICTURE MODE is different from your computer’s ICC color profile, you may experience inaccurate  
color reproduction.  
- MultiProfiler software, developed by NEC Display Solutions, is highly recommended to provide extended color  
management features such as ICC profile Emulation and Printer Emulation. MultiProfiler software is included with  
the provided CD-ROM. Also, the latest MultiProfiler software is available on website.  
- When PICTURE MODE is locked, “PICTURE MODE IS LOCKED” appears on screen. To unlock PICTURE MODE  
settings, press “SELECT” and “UP” buttons at the same time.  
*2 Only for PA241W/PA271W/PA301W.  
*3 PA231W uses “DICOM SIM.”, a value near DICOM gamma.  
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Advanced OSD  
If you need detailed information about the controls, please use the advanced menu.  
There are 2 ways to access the advanced menu.  
Way 1:  
<To access the advanced menu>  
•
Press the Menu button to access OSD menu. Use the front buttons to move the cursor to the ADVANCED SETTING in Color  
control systems. Press INPUT button to appear advanced menu.  
<To exit the advanced menu>  
Press the EXIT button.  
•
Way 2:  
<To access the advanced menu>  
•
Turn off the monitor.  
•
Turn on the monitor by pushing the “POWER” and “INPUT/SELECT” button at the same time for at least one second  
simultaneously. Then press the control buttons (EXIT, LEFT, RIGHT, UP, DOWN).  
•
The Advanced menu will appear.  
This menu is larger than the normal OSD.  
<To exit the advanced menu>  
Turn off and restart the monitor in the normal way.  
•
To make an adjustment, ensure that the tag is highlighted, then press “SELECT”.  
To move to another tag, press “EXIT”, then press “LEFT” or “RIGHT” to highlight another tag.  
Tag1  
PICTURE MODE  
PRESET  
Selects PICTURE MODE, one of 1 to 5.  
Sets PICTURE MODE PRESET from the type of PRESET (see page 15).  
BRIGHTNESS*2  
Adjusts the overall image and screen background brightness.  
Press “LEFT” or “RIGHT” to adjust.  
WHITE  
Adjusts the white color by temperature or xy setting. A lower color temperature will make  
the screen reddish and a higher color temperature will make the screen bluish. A stronger  
x makes the screen reddish, a stronger y makes it greenish and weak xy makes it a  
bluish white.  
*2 This item does not reset by FACTORY PRESET (Tag7), when the Auto Brightness is set to “ON”.  
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GAMMA  
Allows you to manually select the brightness level of grayscale. There are five selections:  
sRGB, L Star, DICOM*3, PROGRAMMABLE and CUSTOM. We recommend to show  
grayscale image data on screen.  
sRGB: GAMMA setting for sRGB.  
L Star: GAMMA setting for eciRGB_v2*2 and Lab color space.  
DICOM*3: DICOM GSDF (Grayscale Standard Display Function) is typically used for  
medical imaging.  
PROGRAMMABLE: The brightness of grayscale can be changed to your preference  
by downloading the application software. You can select this when PICTURE MODE is  
PROGRAMMABLE. This function could not select on Advanced OSD menu.  
CUSTOM: CUSTOM VALUE can be adjusted when CUSTOM is selected as the GAMMA  
SELECTION setting.  
CUSTOM VALUE: The gamma value is selected from the rate of 0.5 to 4.0 by 0.1 steps.  
BLACK  
Adjusts the black luminance. When the selected settings are too low to be displayed,  
the indicator on the OSD will turn magenta.  
RED  
GREEN  
BLUE  
Adjusts color gamut. When the selected settings are outside of the LCD gamut, the  
indicator on the OSD will turn magenta.  
COLOR VISION EMU Previews various typical human vision deficiencies and is useful for evaluating how  
people who have such deficiencies will perceive colors. This preview is available in four  
modes: Types P (Protanopia), D (Deutanopia) and T (Tritanopia) emulate color vision  
dichromacy, and Grayscale can be used for evaluating contrast legibility.  
NOTE: Depending on the vision of the user, including those with color vision deficiency,  
there will be a variation in how the screen's color is seen and experienced.  
A simulation is used to illustrate the view of those with a color vision deficiency. It is  
not their actual view. The simulation is a reproduction of those with a strong color  
vision mode of type P, type D or type T. People with a slight color vision deficiency will  
experience little to no difference compared to those with normal color vision.  
*2 except PA231W.  
*3 PA231W uses “DICOM SIM.”, a value near DICOM gamma.  
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UNIFORMITY  
This function electronically compensates for the slight variations in the white uniformity  
level as well as for deviations in color that may occur throughout the display area of  
the screen. These variations are characteristic of LCD panel technology. This function  
improves the color and evens out the luminance uniformity of the display.  
NOTE: Using the UNIFORMITY feature does reduce the overall peak luminance of the  
display. If greater luminance is desired over the uniform performance of the display,  
then UNIFORMITY should be turned off. A higher number produces a better effect, but  
may also reduce CONTRAST RATIO. When BRIGHTNESS is shown in magenta, the  
UNIFORMITY setting is automatically changed.  
Tag2  
SHARPNESS  
This is a digital capability for keeping a crisp image at all signal timings. It continuously  
adjusts to maintain as distinct or as soft image as you prefer, and is set independently  
according to different timings. Press “LEFT” or “RIGHT” to adjust.  
RESPONSE  
IMPROVE  
Turns the Response Improve function on or off. Response Improve may reduce blurring  
that occurs in some moving images.  
ECO MODE  
Decreases the amount of power consumed by reducing the brightness level.  
OFF: No function.  
MODE1: Decreases the brightness range up to about 160 cd/m2 (PA231W).  
Decreases the brightness range up to about 200 cd/m2 (PA241W/PA271W/PA301W).  
MODE2: Decreases the brightness range up to about 100 cd/m2.  
AUTO BRIGHTNESS Auto Brightness has three settings.  
“OFF” is recommended for best color reproduction.  
OFF: No function.  
ON: Adjusts the brightness automatically, by detecting the brightness level of your  
environment and adjusting the monitor with the best BRIGHTNESS setting*1.  
*1: Please refer to Page 33 for full “Auto Brightness” information.  
Note: Do not cover environmental brightness sensor (AUTO DIMMING sensor).  
METAMERISM  
Improves the white point color matching when the display used side-by-side with a  
standard gamut display monitor. This feature compensates for the way the human eye  
perceives colors slightly differently compared to the scientific instrument used to adjust  
the display during calibration.  
AMBIENT LIGHT  
COMP.  
Luminance setting depends on ambient light compensation.  
Mostly affects black reproduction.  
NOTE: AUTO DIMMING SENSOR measures ambient brightness when power is on and  
affects image and color quality settings.  
NOTE: Do not cover environmental brightness sensor (AUTO DIMMING sensor).  
6 - AXIS ADJUST  
HUE: Adjusts the hue of each color*1. The change in color will appear on screen and the  
menu color bars will show the amount of adjustment.  
SATURATION: Adjusts the color depth of each color*1. Press the “RIGHT” button and the  
color vividness increases.  
OFFSET: Adjusts the color brightness of each color*1. Press “RIGHT” button and the  
color Brightness increases.  
*1: RED, YELLOW, GREEN, CYAN, BLUE and MAGENTA.  
SHORTCUT  
CUSTOM  
You can select the PICTURE MODE which are displayed in PICTURE MODE shortcut  
menu.  
Tag3  
R-H.position*1  
(Analog input only)  
Adjusts the position of the red component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
G-H.position*1  
(Analog input only)  
Adjusts the position of the green component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
B-H.position*1  
(Analog input only)  
Adjusts the position of the blue component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
R-FINE*1  
(Analog input only)  
Adjusts the “FINE” setting of the RED component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
G-FINE*1  
(Analog input only)  
Adjusts the “FINE” setting of the GREEN component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
B-FINE*1  
(Analog input only)  
Adjusts the “FINE” setting of the BLUE component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
R-SHARPNESS*1  
(Analog input only)  
Adjusts the sharpness of the red component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
G-SHARPNESS*1  
(Analog input only)  
Adjusts the sharpness of the green component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
*1 Only for PA231W/PA241W.  
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B-SHARPNESS*1  
(Analog input only)  
Adjusts the sharpness of the blue component of the image.  
Press “LEFT” or “RIGHT” to adjust.  
DVI Long Cable  
(DVI input only)  
Compensates for image degradation caused by using a long DVI cable.  
There are 4 possible settings, with “0” being the lowest level of compensation and “3”  
being the highest level. The default setting is “1”.  
Tag4*1  
(Analog  
AUTO ADJUST*2  
Automatically adjusts the Image Position and H.Size settings and Fine settings.  
Press “SELECT” to activate Auto Adjustment. Please use test pattern, which is included  
in the enclosed CD-ROM.  
input only)  
SIGNAL ADJUST  
Determines when the auto adjustment is activated automatically.  
The choices are “SIMPLE” and “FULL”. Press “LEFT” or “RIGHT” to select.  
H-size, Fine, H/V Position Contrast  
SIMPLE  
FULL  
O
O
X
O
O: Automatic Adjustment X: No Automatic Adjustment  
NOTE: Automatic Adjustment does not work at resolutions less than 800x600 resolution.  
AUTO ADJUST  
LEVEL  
Determines the automatic adjustment level for Auto Adjust. The choices are “SIMPLE”,  
“FULL” and “DETAIL”. Press “LEFT” or “RIGHT” to select. Refer to the below table.  
Size, Fine, Position  
Contrast  
Black Level  
Time  
SIMPLE  
FULL  
O
O
O
X
O
O
X
X
O
1 second  
1.5 seconds  
5 seconds  
DETAIL*  
O: Automatic Adjustment X: No Automatic Adjustment  
* “DETAIL” activates automatic long cable (skew, peaking) adjustment.  
A-NTAA SW  
The Advanced No Touch Auto Adjust function is able to recognize new signals even  
when neither the resolution nor the refresh rate has changed. If several PCs are  
connected to the monitor, and each transmit very similar (or even the same) signals in  
terms of resolution and refresh rates, the monitor recognizes that there is a new signal  
and automatically optimizes the picture without the need for any action on the part of the  
user.  
OFF: A-NTAA is disabled.  
ON: If a change in signal is detected A-NTAA will adjust the monitor to the optimal  
settings for the new signal. If no change in the signal is detected then A-NTAA does not  
activate. The screen will be blank while the monitor optimizes the signal.  
OPTION: Functions the same as ON, except that the screen does not go blank when the  
monitor makes adjustments for changes in signal, allowing the monitor to display the new  
signal faster. When using an external switching device to connect 2 or more PCs to the  
monitor, using the ON or OPTION settings is suitable.  
AUTO CONTRAST*2  
CONTRAST  
Adjusts the image displayed for non-standard video inputs. Press “SELECT” to adjust.  
Any adjustment requires the image to have white portions.  
Adjusts the image brightness and contrast in relation to the background.  
Press “LEFT” or “RIGHT” to adjust.  
AUTO BLACK LEVEL*2 Automatically adjusts the black level. Any adjustment requires the image to have black  
portions. Press “SELECT” to activate Auto Adjust.  
BLACK LEVEL  
H.POSITION  
Adjusts the RGB black level by input signal level.  
Tag5  
Controls Horizontal Image Position within the display area of the LCD.  
Press “LEFT” or “RIGHT” to adjust.  
V.POSITION  
Controls Vertical Image Position within the display area of the LCD.  
Press “LEFT” or “RIGHT” to adjust.  
H.SIZE*1  
Adjusts the horizontal size of the screen.  
(Analog input only)  
If the “AUTO Adjust function” do not give you a satisfactory picture setting, a further  
tuning can be performed using the “H.Size (V.Size)” function (dot clock). For this a Moiré  
test pattern could be used. This function may alter the width of the picture. Use LEFT/  
RIGHT Menu to center the image on the screen. If the H.Size (V.Size) is incorrectly  
calibrated, vertical bands will appear. The image should be homogeneous.  
FINE*1  
(Analog input only)  
Improve focus, clarity and image stability by increasing or decreasing this setting.  
If the “Auto Adjust function” and the “H.Size” function do not give you a satisfactory  
picture setting, a fine tuning can be performed using the “Fine” function. For this a Moiré  
test pattern could be used. If the Fine value is incorrectly calibrated, horizontal lines will  
appear on the display. The image should be homogeneous.  
*1 Only for PA231W/PA241W.  
*2 This item does not reset by FACTORY PRESET (Tag7).  
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AUTO FINE*1  
(Analog input only)  
This function automatically and periodically adjusts the “FINE” setting for change in signal  
condition. This function adjusts approximately every 33 minutes.  
H.RESOLUTION  
V.RESOLUTION  
EXPANSION  
Adjusts the horizontal size by increasing or decreasing the setting.  
Press “RIGHT” button to expand the width of the image on the screen.  
Press “LEFT” button to narrow the width of the image on the screen.  
Adjusts the vertical size by increasing or decreasing the setting.  
Press “RIGHT” button to expand the height of the image on the screen.  
Press “LEFT” button to narrow the height of the image on the screen.  
Sets the zoom method.  
FULL: The image is expanded to full screen, regardless of the resolution.  
ASPECT: The image is expanded without changing the aspect ratio.  
OFF: The image is not expanded.  
CUSTOM: When CUSTOM is selected as the Expansion mode, it becomes possible to  
adjust the H. ZOOM., V. ZOOM, and ZOOM POS.  
SIDE BORDER  
COLOR  
Adjusts the side black bars color between black and white.  
Tag6  
USB SELECTION  
USB UP Stream Port Selection for DP/DVI-1/DVI-2/D-SUB (PA231W/PA241W),  
DP/DVI-1/DVI-2 (PA271W), DP-1/DP-2/DVI-1/DVI-2 (PA301W). When connecting a  
computer to each of the upstream ports, the monitor’s USB downstream ports can be  
used by selecting this setting for the current input signal. When using only one upstream  
port, the connected upstream port is active.  
You can change the active display and upstream USB port combination by using the  
Input button (see page 9).  
NOTE: To avoid data loss, before changing USB upstream ports, ensure that no USB  
storage devices are in use by the operating system of the computer attached to the USB  
upstream port.  
DP HOT-PLUG  
DELAY*4  
Adjusts the delay time between DisplayPort-1 and DisplayPort-2 at power on or returning  
from power management system to avoid a timing conflict between the Link Training  
phase for each DisplayPort input.  
EDID EXTENSION  
(Digital Input Only)  
A communication setting with input device, containing signal timing.  
NORMAL: When a PC or other computer equipment is connected, select “NORMAL”.  
Enhanced: Alternate setting for non-PC devices such as DVD players or game consoles.  
Note: Interlaced signals (480i, 576i, 1080i) are not supported. If you have any problems,  
please refer to the Troubleshooting section of this User’s Manual.  
When EDID EXTENSION has been changed, the connected equipment has to be  
restarted.  
VIDEO DETECT*2  
Selects the method of video detection when more than one computer is connected.  
Press “LEFT” or “RIGHT” to select.  
FIRST: When current video input signal is not present, then the monitor searches for a video  
signal from the other video input port. If the video signal is present in the other port, then the  
monitor switches the video source input port to the new found video source automatically.  
The monitor will not look for other video signals while the current video source is present.  
LAST: When the monitor is displaying a signal from the current source and a new  
secondary source is supplied to the monitor, then the monitor will automatically switch to  
the new video source. When current video input signal is not present, then the monitor  
searches for a video signal from the other video input port. If the video signal is present  
in the other port, then the monitor switches the video source input port to the new found  
video source automatically.  
NONE: The Monitor will not search the other video input port unless the monitor is  
turned on.  
OFF TIMER  
OFF MODE  
Monitor will automatically turn off after the preset time period from power on with the  
ON/OFF function. When you select “ON”, press “SELECT” and “LEFT” or “RIGHT” to adjust.  
Before powering off, a message will appear on the screen asking the user if they want to  
delay the turn off time by 60 minutes. Press any OSD button to delay the turn off time.  
The Intelligent Power Manager allows the monitor to enter into a power saving mode after  
a period of inactivity. The OFF MODE has three settings.  
OFF: Monitor does not go into power save mode when the input signal is lost.  
STANDARD: Monitor enters power save mode automatically when the input signal is lost.  
OPTION: Monitor enters power save mode automatically when the amount of  
surrounding light goes below the level that is determined by the user.  
*1 Only for PA231W/PA241W.  
*4 PA301W only  
*2 This item does not reset by FACTORY PRESET (Tag7).  
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OFF MODE SETTING Adjusts the ILLUMINANCE value for OFF MODE. Shows illuminance.  
LED BRIGHTNESS*2 Controls the brightness of the power LED on the monitor.  
LED COLOR*2  
LANGUAGE*2  
Toggles the power LED on the front between blue or green.  
Tag7  
OSD control menus are available in nine languages. Press “LEFT” or “RIGHT” to select.  
OSD H.POSITION  
You can choose where you would like the OSD control image to appear on your screen.  
Selecting OSD Location allows you to manually adjust the position of the OSD control  
menu left or right.  
OSD V.POSITION  
OSD TURN OFF  
OSD LOCK OUT*2  
You can choose where you would like the OSD control image to appear on your screen.  
Selecting OSD Location allows you to manually adjust the position of the OSD control  
menu up or down.  
The OSD control menu will stay on as long as it is use. You can select how long the  
monitor waits after the last touch of a button to shut off the OSD control menu.  
The preset choices are 10-120 seconds in 5 second increments.  
This control completely locks out access to all OSD control functions. When attempting  
to activate OSD controls while in the Lock Out mode, a screen will appear indicating the  
OSD controls are locked out.  
There are three types of OSD LOCK OUT:  
OSD LOCK OUT with no control: To activate the OSD Lock Out function, press SELECT,  
then “RIGHT” button and hold down simultaneously. To deactivate the OSD Lock Out,  
press SELECT, then “RIGHT” button and hold down simultaneously while in the OSD  
menu. No controls can be adjusted while in the lock out mode.  
OSD LOCK OUT with BRIGHTNESS (only) control: To activate the OSD Lock  
Out function, press SELECT, then “DOWN” and “LEFT” buttons and hold down  
simultaneously. To deactivate the OSD Lock Out, press SELECT, then “DOWN” and  
“LEFT” buttons and hold down simultaneously while in the OSD menu. BRIGHTNESS  
can be adjusted while in the lock out mode.  
CUSTOM: Press RESET and EXIT to enter the CUSTOM Menu. Select ENABLE or  
DISABLE for POWER KEY, INPUT SEL, HOT KEY (BRIGHTNESS), PICTURE MODE,  
WARNING (RESOLUTION NOTIFIER/OSD LOCK OUT). To Deactivate the OSD Lock  
Out function, press RESET and EXIT to bring up the LOCK OUT warning.  
Press SELECT, SELECT, <, >, <, >, EXIT.  
OSD TRANSPARENCY Adjusts the transparency of the OSD MENU.  
OSD COLOR*2  
“Tag window frame color”, “Item select color” & ”Adjust Window frame color” can be  
changed.  
BOOT LOGO*2  
The NEC logo is briefly displayed after the monitor is powered on. This feature can be  
turned on or off in the OSD.  
Note: If the “EXIT” button is kept pressed while NEC logo is displayed, the BOOT LOGO  
menu will appear. It is possible to change the BOOT LOGO setting to OFF.  
SIGNAL  
INFORMATION*2  
Signal information can be displayed in the corner of the screen.  
Signal information is either “ON/OFF”.  
RESOLUTION  
NOTIFIER*2  
The optimal resolution is 1920 x 1080 for PA231W, 1920 x 1200 for PA241W,  
2560 x 1440 for PA271W or 2560 x 1600 for PA301W. If ON is selected, a message will  
appear on the screen after 30 seconds, notifying you that the resolution is not set to  
1920 x 1080 for PA231W, 1920 x 1200 for PA241W, 2560 x 1440 for PA271W or  
2560 x 1600 for PA301W.  
Press “LEFT” or “RIGHT” to select.  
HOT KEY*2  
When this function is activated; the brightness of the monitor can be adjusted without  
entering the OSD menu by using the front buttons.  
The “LEFT” or “RIGHT” buttons adjust the brightness level.  
When this function is set to OFF, some buttons are disabled. See page 9.  
FACTORY PRESET*2 Selecting Factory Preset allows you to reset all OSD control settings back to the factory  
settings. Highlighting the control to be reset and pressing the RESET button can reset  
individual settings.  
Tag8  
PIP MODE  
Selects PIP MODE, OFF/PIP/PICTURE BY PICTURE - ASPECT/PICTURE BY  
PICTURE - FULL. See page 12.  
PIP INPUT  
Selects the PIP input signal.  
PIP LEFT/RIGHT  
When you select “PIP” in PIP MODE, you can control horizontal position of PIP display  
area.  
*2 This item does not reset by FACTORY PRESET (Tag7).  
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PIP DOWN/UP  
PIP SIZE  
When you select “PIP” in PIP MODE, you can control vertical position of PIP display area.  
Selects the size of the sub-picture used in PIP mode.  
BLANK SIGNAL SKIP Skip no signal inputs when you change input signal with INPUT button.  
OSD ROTATION  
AUTO: The OSD rotates automatically when the monitor is rotated. OSD ROTATION is  
set to AUTO by default.  
LANDSCAPE: Display the OSD with landscape mode.  
PORTRAIT: Display the OSD with portrait mode.  
IMAGE ROTATION  
AUTO: The main window image automatically rotates according to the orientation of the  
display. If “AUTO” is selected in the “OSD ROTATION” menu, the main window image  
rotates according to the orientation of the monitor.  
OFF: The main window image is not rotated. IMAGE ROTATION is set to OFF by default.  
ON: The main window image always rotated.  
Note: For PA271W/PA301W, this function is effective only if PICTURE BY PICTURE-  
ASPECT or PICTURE BY PICTURE-FULL.  
SUB IMAGE  
ROTATION  
AUTO: The sub window image automatically rotates according to the orientation of the  
display. If “AUTO” is selected in the “OSD ROTATION” menu, the sub window image  
rotates according to the orientation of the monitor.  
OFF: The sub window image is not rotated. IMAGE ROTATION is set to OFF by default.  
ON: The sub window image always rotated.  
DDC/CI  
DDC/CI ENABLE/DISABLE: Turns on or off the two way communication and control with  
connected PC by video cable.  
NOTE: Set DDC/CI to ENABLE when using hardware calibration software like  
MultiProfiler over DisplayPort, DVI or VGA.  
SCREEN SAVER  
Use the SCREEN SAVER to reduce the risk of image persistence.  
MOTION (Default OFF): Screen image moves periodically in 4 directions in order to  
reduce the risk of image retention.  
Timing for MOTION can be set so the screen image moves in intervals from every  
10 to 900 seconds. Timing is set in 10-second increments.  
OPTION (Default REDUCED): There are two optional selections.  
REDUCED: Screen image is reduced to 95% size and is moved periodically in  
4 directions. Screen may appear slightly less sharp than normal. The full image appears  
on the display.  
NOTE: Some input signals may not be supported by REDUCED.  
FULL: Screen image is set to FULL and is moved periodically in 4 directions. Screen  
image goes outside of the display area in the direction that it shifts so that a portion of the  
image may appear to be cut off.  
NOTE: SCREEN SAVER works when ENABLE is OFF in TILE MATRIX and PIP MODE  
is OFF.  
Tag9  
INPUT SETTING*1, *2 Video Band Width: Reduce the visual “noise” level of the input signal. It is strong  
ineffective, so that a number becomes small. Press “LEFT” or “RIGHT” to select.  
Sync Threshold: Adjusts the slice level of a synchronization signal. Press “SELECT” to  
move the adjustment menu. Adjusts the sensitivity of the separate or composite input  
signals.  
Try this option if the FINE adjustment does not successfully eliminate the noise.  
SOG Threshold: Adjusts the sensitivity of the Sync On Green input signals. Adjusts the  
slice level when separating synchronization from sync On Green signal input. Press  
“LEFT” or “RIGHT” to select.  
Clamp position: Operating your monitor at a non-standard timing may cause images to  
appear darker than normal or have color distortion. Use of the Clamp position control will  
adjust images to their normal state.  
*1 Only for PA231W/PA241W.  
*2 This item does not reset by FACTORY PRESET (Tag7).  
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TagA  
TILE MATRIX  
The Tile Matrix feature allows one image to be displayed over multiple screens. This  
feature can be used with up to 25 monitors (5 vertical and 5 horizontal). Using Tile Matrix  
requires the PC output signal be sent through a distribution amplifier to each individual  
monitor.  
H MONITOR: Select the number of horizontal displays.  
V MONITOR: Select the number of vertical displays.  
MONITOR No: Select a position to expand the screen.  
TILE COMP: Works in tandem with Tile Matrix to compensate for the width of the tile  
bezels in order to accurately display the image.  
Tile Comp with 4 monitors (black area shows monitor frames):  
monitor1  
monitor2  
monitor2  
monitor1  
monitor3  
monitor4  
monitor4  
monitor3  
Tile Comp OFF  
Tile Comp ON  
NOTE: TILE MATRIX works only when PIP MODE is OFF.  
Displays the estimated carbon savings information in kg.  
Displays the electricity cost savings in balance.  
TagB  
CARBON SAVING  
COST  
CARBON CONVERT Adjusts the carbon footprint factor in the carbon saving calculation. This initial setting is  
SETTING  
based on the OECD (2008 Edition).  
CURRENCY  
SETTING*2  
Displays electricity pricing (available in 6 currency units).  
CURRENCY  
Adjusts electricity prices-electric energy equivalent in the electrical rate saving  
CONVERT SETTING calculation.  
HOURS RUNNING*2 Show total running time.  
SELF COLOR  
CORRECTION*3  
Compensates for typical a LCD yellowish color shift due to long-term usage by internal  
color sensor. This takes approximately 30 to 60 minutes depending on warm up time to  
complete.  
STAND-ALONE  
CALIBRATION*4  
Compensates for a typical LCD yellowish color shift due to long-term usage by optional USB  
color sensor. See page 34. When you use this function, SELF COLOR CORRECTION is not  
necessary.  
TagC  
INFORMATION*2  
Provides information about the current display resolution. Technical data, including the preset  
timing currently being used and the horizontal and vertical frequencies is also displayed.  
*2 This item does not reset by FACTORY PRESET (Tag7).  
*4 PA301W only  
*3 Only for PA241W/PA271W/PA301W.  
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Recommended use  
Safety Precautions and Maintenance  
FOR OPTIMUM PERFORMANCE, PLEASE NOTE  
THE FOLLOWING WHEN SETTING UP AND  
USING THE LCD COLOR MONITOR:  
•
DO NOT OPEN THE MONITOR. There are no user serviceable parts inside and opening or removing covers may expose  
you to dangerous shock hazards or other risks. Refer all servicing to qualified service personnel.  
•
•
Do not spill any liquids into the cabinet or use your monitor near water.  
Do not insert objects of any kind into the cabinet slots, as they may touch dangerous voltage points, which can be harmful or  
fatal or may cause electric shock, fire or equipment failure.  
•
•
Do not place any heavy objects on the power cord. Damage to the cord may cause shock or fire.  
Do not place this product on a sloping or unstable cart, stand or table, as the monitor may fall, causing serious damage to  
the monitor.  
•
The power supply cord you use must have been approved by and comply with the safety standards of your country.  
(Type H05VV-F 3G 1mm2 should be used in Europe).  
•
•
•
•
•
•
•
•
•
In UK, use a BS-approved power cord with molded plug having a black (5A) fuse installed for use with this monitor.  
Do not place any objects onto the monitor and do not use the monitor outdoors.  
The lamps in this product contain mercury. Please dispose according to state, local or federal law.  
Do not bend power cord.  
Do not use monitor in high temperatured, humid, dusty, or oily areas.  
Do not cover vent on monitor.  
Vibration can damage the backlight. Do not install where the monitor will be exposed to continual vibration.  
If monitor or glass is broken, do not come in contact with the liquid crystal and handle with care.  
To prevent damage to the LCD monitor caused by tipping over due to earthquakes or other shocks, make sure to install the  
monitor in a stable location and take measures to prevent falling.  
Immediately turn off the power, unplug your monitor from the wall outlet and move to a safe location then refer servicing to  
qualified service personnel under the following conditions. If the monitor is used in this condition, the monitor may cause fall, fire  
and electric shock:  
•
•
•
•
•
•
•
•
If the monitor stand has been cracked or peeled.  
If the monitor has been wobbled.  
If the monitor has an unusual odor.  
When the power supply cord or plug is damaged.  
If liquid has been spilled, or objects have fallen into the monitor.  
If the monitor has been exposed to rain or water.  
If the monitor has been dropped or the cabinet damaged.  
If the monitor does not operate normally by following operating instructions.  
•
Allow adequate ventilation around the monitor so that heat can properly dissipate. Do not block ventilated  
openings or place the monitor near a radiator or other heat sources. Do not put anything on top of monitor.  
•
The power cable connector is the primary means of detaching the system from the power supply.  
The monitor should be installed close to a power outlet which is easily accessible.  
CAUTION  
•
•
Handle with care when transporting. Save packaging for transporting.  
PA301W only:  
Do not touch LCD panel surface while transporting, mounting and setting.  
Applying pressure on the LCD panel can cause serious damage.  
•
•
The monitor must be installed or carried by two or more people (PA301W only).  
Carry the monitor holding the built-in handle and bottom frames of the monitor  
(PA301W only).  
•
Do not carry holding only the stand (PA301W only).  
Image Persistence: Image persistence is when a residual or “ghost” image of a previous image remains visible on the screen.  
Unlike CRT monitors, LCD monitors’ image persistence is not permanent, but constant images being displayed for a long period  
of time should be avoided.  
To alleviate image persistence, turn off the monitor for as long as the previous image was displayed. For example, if an image  
was on the monitor for one hour and a residual image remains, the monitor should be turned off for one hour to erase the image.  
NOTE: As with all personal display devices, NEC DISPLAY SOLUTIONS recommends using a moving screen saver at regular  
intervals whenever the screen is idle or turning off the monitor when not in use.  
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CORRECT PLACEMENT AND ADJUSTMENT OF THE MONITOR CAN  
REDUCE EYE, SHOULDER AND NECK FATIGUE. CHECK THE  
FOLLOWING WHEN YOU POSITION THE MONITOR:  
•
•
For optimum performance, allow 20 minutes for the display to warm up.  
Adjust the monitor height so that the top of the screen is at or slightly below eye level.  
Your eyes should look slightly downward when viewing the middle of the screen.  
•
Position your monitor no closer than 40 cm (15.75 inches) and no further away than  
70 cm (27.56 inches) from your eyes. The optimal distance is 50 cm (19.69 inches).  
•
•
Rest your eyes periodically by focusing on an object at least 20 feet away. Blink often.  
Position the monitor at a 90° angle to windows and other light sources to minimize glare  
and reflections. Adjust the monitor tilt so that ceiling lights do not reflect on your screen.  
•
•
If reflected light makes it hard for you to see your screen, use an anti-glare filter.  
Clean the LCD monitor surface with a lint-free, non-abrasive cloth. Avoid using any  
cleaning solution or glass cleaner!  
•
•
•
Adjust the monitor’s brightness and contrast controls to enhance readability.  
Use a document holder placed close to the screen.  
Position whatever you are looking at most of the time (the screen or reference material) directly in front of you to minimize  
turning your head while you are typing.  
•
•
Avoid displaying fixed patterns on the monitor for long periods of time to avoid image persistence (after-image effects).  
Get regular eye checkups.  
Ergonomics  
To realize the maximum ergonomics benefits, we recommend the following:  
•
To avoid eye fatigue, adjust the brightness to a moderate setting. Place a sheet of white paper next to the LCD screen for  
luminance reference.  
•
•
•
•
•
Do not position the Contrast control to its maximum setting.  
Use the preset Size and Position controls with standard signals.  
Use the preset Color Setting.  
Use non-interlaced signals with a vertical refresh rate of more than 60 Hz.  
Do not use primary color blue on a dark background, as it is difficult to see and may produce eye fatigue due to insufficient  
contrast.  
Cleaning the LCD Panel  
•
•
•
•
When the LCD is dusty, please gently wipe with a soft cloth.  
Please do not rub the LCD panel with hard or coarse material.  
Please do not apply pressure to the LCD surface.  
Please do not use OA cleaner as it will cause deterioration or discoloration on the LCD surface.  
Cleaning the Cabinet  
•
•
•
Unplug the power supply  
Gently wipe the cabinet with a soft cloth  
To clean the cabinet, dampen the cloth with a neutral detergent and water, wipe the cabinet and follow with a dry cloth.  
NOTE:  
Many plastics are used on the surface of the cabinet. DO NOT clean with benzene, thinner, alkaline detergent,  
alcoholic system detergent, glass cleaner, wax, polish cleaner, soap powder, or insecticide. Do not touch rubber or  
vinyl to the cabinet for a long time. These types of fluids and fabrics can cause the paint to deteriorate, crack or peel.  
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Specifications - PA231W  
Monitor Specifications  
MultiSync PA231W  
Notes  
LCD Module  
Diagonal: 58.4 cm/23.0 inches  
Viewable Image Size: 58.4 cm/23.0 inches  
Native Resolution (Pixel Count): 1920 x 1080  
Active matrix; thin film transistor (TFT) liquid crystal  
display (LCD); 0.265 mm dot pitch; 270 cd/m2 white  
luminance; 1000:1 contrast ratio (typical).  
Input Signal  
DisplayPort:  
DisplayPort Connector: Digital RGB  
DVI-D 24pin: Digital RGB  
DisplayPort Complies with Standard V1.1a,  
applicable to HDCP  
DVI:  
DVI (HDCP)  
VGA:  
15pin Mini D-sub: Analog RGB  
Sync  
0.7 Vp-p/75 ohm  
Separate sync.TTL level Positive/Negative  
Composite sync.TTL level Positive/Negative  
Sync on Green  
(Video 0.7 Vp-p and Sync Negative 0.3 Vp-p)  
Display Colours  
16,777,216  
Depends on display card used.  
Synchronization Range  
Horizontal: 31.5 kHz to 83.0 kHz, 118.4 kHz*2 (Analog)  
31.5 kHz to 83.0 kHz, 118.4 kHz*2 (Digital)  
Vertical: 50 Hz to 85 Hz  
Automatically  
Automatically  
Automatically  
Viewing Angle  
Left/Right:  
Up/Down:  
89° (CR > 10)  
89° (CR > 10)  
Image Formation Time  
14 ms (Typ.)  
8 ms (Gray to gray Typ)  
Resolutions Supported (Some systems may  
not support all modes listed).  
640 x 480*1 at 60 Hz to 85 Hz  
720 x 350*1 at 70 Hz to 85 Hz  
720 x 400*1 at 70 Hz to 85 Hz  
800 x 600*1 at 56 Hz to 85 Hz  
832 x 624*1 at 75 Hz  
1024 x 768*1 at 60 Hz to 85 Hz  
1152 x 864*1 at 70 Hz to 85 Hz  
1152 x 870*1 at 75 Hz  
1152 x 900*1 at 66 Hz  
1280 x 960*1 at 60 Hz  
1280 x 1024*1 at 60 Hz to 85 Hz  
1400 x 1050*1 at 60 Hz to 75 Hz  
1440 x 900*1 at 60 Hz to 85 Hz  
1600 x 900*1 at 60 Hz  
1680 x 1050*1 at 60 Hz  
1920 x 1080 at 60 Hz............................................NEC DISPLAY SOLUTIONS cites recommended  
1024 x 1280*1 at 60 Hz  
resolution for optimal display performance.  
1080 x 1920*1 at 60 Hz  
480P (720 x 480*1 at 60 Hz)  
576P (720 x 576*1 at 50 Hz)  
720P (1280 x 720*1 at 50 Hz to 60 Hz)  
1080P (1920 x 1080*1 at 50 Hz to 60 Hz)  
Active Display Area  
USB Hub  
Landscape: Horiz.: 509.2 mm/20.0 inches  
Vert.: 286.4 mm/11.3 inches  
Portrait: Horiz.: 286.4 mm/11.3 inches  
Vert.: 509.2 mm/20.0 inches  
I/F: USB Specification Revision 2.0  
Port: Upstream 2  
Downstream 3  
Load Current: Maximum 0.5A per port  
Power Supply  
Current Rating  
Dimensions  
AC 100-240 V ~ 50/60 Hz  
0.79 - 0.33 A (with option)  
Landscape: 543.6 mm (W) x 338 - 488 mm (H) x 227.6 mm (D)  
21.4 inches (W) x 13.3 - 19.2 inches (H) x 9.0 inches (D)  
Portrait: 322.4 mm (W) x 559.2 - 598.6 mm (H) x 227.6 mm (D)  
12.7 inches (W) x 22.0 - 23.6 inches (H) x 9.0 inches (D)  
Height Adjustment: 150 mm / 5.9 inches (Landscape orientation)  
39.4 mm / 1.6 inches (Portrait orientation)  
Weight  
10.2 kg (22.5 lbs)  
Environmental Considerations  
Operating Temperature: 5°C to 35°C/41°F to 95°F  
Humidity: 30% to 80%  
Altitude: 0 to 6,562 Feet/0 to 2,000 m  
Storage Temperature: -10°C to 60°C/14°F to 140°F  
Humidity: 10% to 85%  
Altitude: 0 to 40,000 Feet/0 to 12,192 m  
*1 Interpolated Resolutions: When resolutions are shown that are lower than the pixel count of the LCD module, text may appear different. This is normal and  
necessary for all current flat panel technologies when displaying non-native resolutions full screen. In flat panel technologies, each dot on the screen is actually one  
pixel, so to expand resolutions to full screen, an interpolation of the resolution must be done.  
*2 1080 x 1920 resolution only.  
NOTE:  
Technical specifications are subject to change without notice.  
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Specifications - PA241W  
Monitor Specifications  
MultiSync PA241W  
Notes  
LCD Module  
Diagonal: 61.1 cm/24.1 inches  
Viewable Image Size: 61.1 cm/24.1 inches  
Native Resolution (Pixel Count): 1920 x 1200  
Active matrix; thin film transistor (TFT) liquid crystal  
display (LCD); 0.270 mm dot pitch; 360 cd/m2 white  
luminance; 1000:1 contrast ratio (typical).  
Input Signal  
DisplayPort:  
DisplayPort Connector: Digital RGB  
DVI-D 24pin: Digital RGB  
DisplayPort Complies with Standard V1.1a,  
applicable to HDCP  
DVI:  
DVI (HDCP)  
VGA:  
15pin Mini D-sub: Analog RGB  
Sync  
0.7 Vp-p/75 ohm  
Separate sync.TTL level Positive/Negative  
Composite sync.TTL level Positive/Negative  
Sync on Green  
(Video 0.7 Vp-p and Sync Negative 0.3 Vp-p)  
Display Colours  
1,073,741,824  
Depends on display card used.  
Synchronization Range  
Horizontal: 31.5 kHz to 93.8 kHz, 118.4 kHz*2 (Analog)  
31.5 kHz to 91.1 kHz, 118.4 kHz*2 (Digital)  
Vertical: 50 Hz to 85 Hz  
Automatically  
Automatically  
Automatically  
Viewing Angle  
Left/Right:  
Up/Down:  
89° (CR > 10)  
89° (CR > 10)  
Image Formation Time  
16 ms (Typ.)  
8 ms (Gray to gray Typ)  
Resolutions Supported (Some systems may  
not support all modes listed).  
640 x 480*1 at 60 Hz to 85 Hz  
720 x 350*1 at 70 Hz to 85 Hz  
720 x 400*1 at 70 Hz to 85 Hz  
800 x 600*1 at 56 Hz to 85 Hz  
832 x 624*1 at 75 Hz  
1024 x 768*1 at 60 Hz to 85 Hz  
1152 x 864*1 at 70 Hz to 85 Hz  
1152 x 870*1 at 75 Hz  
1152 x 900*1 at 66 Hz  
1280 x 960*1 at 60 Hz  
1280 x 1024*1 at 60 Hz to 85 Hz  
1400 x 1050*1 at 60 Hz to 75 Hz  
1440 x 900*1 at 60 Hz to 85 Hz  
1600 x 1200*1 at 60 Hz to 75 Hz (Analog), 1600 x 1200*1 at 60 Hz (Digital)  
1680 x 1050*1 at 60 Hz  
1920 x 1200 at 60 Hz............................................NEC DISPLAY SOLUTIONS cites recommended  
1024 x 1280*1 at 60 Hz  
resolution for optimal display performance.  
1200 x 1920*1 at 60 Hz  
480P (720 x 480*1 at 60 Hz)  
576P (720 x 576*1 at 50 Hz)  
720P (1280 x 720*1 at 50 Hz to 60 Hz)  
1080P (1920 x 1080*1 at 50 Hz to 60 Hz)  
Active Display Area  
USB Hub  
Landscape: Horiz.: 518 mm/20.4 inches  
Vert.: 324 mm/12.8 inches  
Portrait: Horiz.: 324 mm/12.8 inches  
Vert.: 518 mm/20.4 inches  
I/F: USB Specification Revision 2.0  
Port: Upstream 2  
Downstream 3  
Load Current: Maximum 0.5A per port  
Power Supply  
Current Rating  
Dimensions  
AC 100-240 V ~ 50/60 Hz  
1.38 - 0.56A (with option)  
Landscape: 556.8 mm (W) x 378 - 528 mm (H) x 227.6 mm (D)  
21.9 inches (W) x 14.9 - 20.8 inches (H) x 9.0 inches (D)  
Portrait: 362.4 mm (W) x 572.4 - 625.2 mm (H) x 227.6 mm (D)  
14.3 inches (W) x 22.5 - 24.6 inches (H) x 9.0 inches (D)  
Height Adjustment: 150 mm / 5.9 inches (Landscape orientation)  
52.8 mm / 2.1 inches (Portrait orientation)  
Weight  
10.6 kg (23.4 lbs)  
Environmental Considerations  
Operating Temperature: 5°C to 35°C/41°F to 95°F  
Humidity: 30% to 80%  
Altitude: 0 to 6,562 Feet/0 to 2,000 m  
Storage Temperature: -10°C to 60°C/14°F to 140°F  
Humidity: 10% to 85%  
Altitude: 0 to 40,000 Feet/0 to 12,192 m  
*1 Interpolated Resolutions: When resolutions are shown that are lower than the pixel count of the LCD module, text may appear different. This is normal and  
necessary for all current flat panel technologies when displaying non-native resolutions full screen. In flat panel technologies, each dot on the screen is actually one  
pixel, so to expand resolutions to full screen, an interpolation of the resolution must be done.  
*2 1200 x 1920 resolution only.  
NOTE:  
Technical specifications are subject to change without notice.  
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Specifications - PA271W  
Monitor Specifications  
MultiSync PA271W  
Notes  
LCD Module  
Diagonal: 68.5 cm/27.0 inches  
Viewable Image Size: 68.5 cm/27.0 inches  
Native Resolution (Pixel Count): 2560 x 1440  
Active matrix; thin film transistor (TFT) liquid crystal  
display (LCD); 0.233 mm dot pitch; 300 cd/m2 white  
luminance; 1000:1 contrast ratio (typical).  
Input Signal  
DisplayPort:  
DisplayPort Connector: Digital RGB  
DisplayPort Complies with Standard V1.1a,  
applicable to HDCP  
DVI:  
DVI-D 24pin: Digital RGB  
1,073,741,824  
DVI (HDCP)  
Display Colours  
Depends on display card used.  
Synchronization Range  
Horizontal: 31.5 kHz to 93.9 kHz  
Vertical: 50 Hz to 87 Hz  
Automatically  
Automatically  
Viewing Angle  
Left/Right:  
Up/Down:  
89° (CR > 10)  
89° (CR > 10)  
Image Formation Time  
12 ms (Typ.)  
7 ms (Gray to gray Typ)  
Resolutions Supported (Some systems may  
not support all modes listed).  
640 x 480*1 at 60 Hz to 85 Hz  
720 x 350*1 at 70 Hz to 85 Hz  
720 x 400*1 at 70 Hz to 85 Hz  
800 x 600*1 at 56 Hz to 85 Hz  
832 x 624*1 at 75 Hz  
1024 x 768*1 at 60 Hz to 85 Hz  
1152 x 864*1 at 70 Hz to 85 Hz  
1152 x 870*1 at 75 Hz  
1152 x 900*1 at 66 Hz  
1280 x 960*1 at 60 Hz  
1280 x 1024*1 at 60 Hz to 85 Hz  
1400 x 1050*1 at 60 Hz to 75 Hz  
1440 x 900*1 at 60 Hz to 85 Hz  
1600 x 1200*1 at 60 Hz  
1680 x 1050*1 at 60 Hz  
1920 x 1200*1 at 60 Hz  
1024 x 1280*1 at 60 Hz  
1200 x 1920*1 at 60 Hz  
2560 x 1440 at 60 Hz........................................... NEC DISPLAY SOLUTIONS cites recommended  
480P (720 x 480*1 at 60 Hz)  
resolution for optimal display performance.  
576P (720 x 576*1 at 50 Hz)  
720P (1280 x 720*1 at 50 Hz to 60 Hz)  
1080P (1920 x 1080*1 at 50 Hz to 60 Hz)  
Active Display Area  
USB Hub  
Landscape: Horiz.: 597 mm/23.5 inches  
Vert.: 336 mm/13.2 inches  
Portrait: Horiz.: 336 mm/13.2 inches  
Vert.: 597 mm/23.5 inches  
I/F: USB Specification Revision 2.0  
Port: Upstream 2  
Downstream 3  
Load Current: Maximum 0.5A per port  
Power Supply  
Current Rating  
Dimensions  
AC 100-240 V ~ 50/60 Hz  
1.64 - 0.65 A (with option)  
Landscape: 640.4 mm (W) x 396.2 - 546.2 mm (H) x 235.5 mm (D)  
25.2 inches (W) x 15.6 - 21.5 inches (H) x 9.3 inches (D)  
Portrait: 378.6 mm (W) x 658.0 - 677.1 mm (H) x 235.5 mm (D)  
14.9 inches (W) x 25.9 - 26.7 inches (H) x 9.3 inches (D)  
Height Adjustment: 150 mm / 5.9 inches (Landscape orientation)  
19.1 mm / 0.8 inches (Portrait orientation)  
Weight  
13.6 kg (30.0 lbs)  
Environmental Considerations  
Operating Temperature: 5°C to 35°C/41°F to 95°F  
Humidity: 30% to 80%  
Altitude: 0 to 10,000 Feet/0 to 3,048 m  
Storage Temperature: -10°C to 60°C/14°F to 140°F  
Humidity: 10% to 85%  
Altitude: 0 to 40,000 Feet/0 to 12,192 m  
*1 Interpolated Resolutions: When resolutions are shown that are lower than the pixel count of the LCD module, text may appear different. This is normal and  
necessary for all current flat panel technologies when displaying non-native resolutions full screen. In flat panel technologies, each dot on the screen is actually one  
pixel, so to expand resolutions to full screen, an interpolation of the resolution must be done.  
NOTE:  
Technical specifications are subject to change without notice.  
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Specifications - PA301W  
Monitor Specifications  
MultiSync PA301W  
Notes  
LCD Module  
Diagonal: 75.6 cm/29.8 inches  
Viewable Image Size: 75.6 cm/29.8 inches  
Native Resolution (Pixel Count): 2560 x 1600  
Active matrix; thin film transistor (TFT) liquid crystal  
display (LCD); 0.251 mm dot pitch; 350 cd/m2 white  
luminance; 1000:1 contrast ratio (typical).  
Input Signal  
DisplayPort:  
DisplayPort Connector: Digital RGB  
DisplayPort Complies with Standard V1.1a,  
applicable to HDCP  
DVI:  
DVI-D 24pin: Digital RGB  
1,073,741,824  
DVI (HDCP)  
Display Colours  
Depends on display card used.  
Synchronization Range  
Horizontal: 31.5 kHz to 98.7 kHz  
Vertical: 30 Hz to 87 Hz  
Automatically  
Automatically  
Viewing Angle  
Left/Right:  
Up/Down:  
89° (CR > 10)  
89° (CR > 10)  
Image Formation Time  
12 ms (Typ.)  
7 ms (Gray to gray Typ)  
Resolutions Supported (Some systems may  
not support all modes listed).  
640 x 480*1 at 60 Hz to 85 Hz  
720 x 350*1 at 70 Hz to 85 Hz  
720 x 400*1 at 70 Hz to 85 Hz  
800 x 600*1 at 56 Hz to 85 Hz  
832 x 624*1 at 75 Hz  
1024 x 768*1 at 60 Hz to 85 Hz  
1152 x 864*1 at 70 Hz to 85 Hz  
1152 x 870*1 at 75 Hz  
1152 x 900*1 at 66 Hz  
1280 x 960*1 at 60 Hz  
1280 x 1024*1 at 60 Hz to 85 Hz  
1400 x 1050*1 at 60 Hz to 75 Hz  
1440 x 900*1 at 60 Hz to 85 Hz  
1600 x 900*1 at 60 Hz  
1600 x 1200*1 at 60 Hz  
1680 x 1050*1 at 60 Hz  
1920 x 1200*1 at 60 Hz  
2048 x 1536*1 at 30 Hz  
1024 x 1280*1 at 60 Hz  
2560 x 1600 at 60 Hz........................................... NEC DISPLAY SOLUTIONS cites recommended  
480P (720 x 480*1 at 60 Hz)  
resolution for optimal display performance.  
576P (720 x 576*1 at 50 Hz)  
720P (1280 x 720*1 at 50 Hz to 60 Hz)  
1080P (1920 x 1080*1 at 50 Hz to 60 Hz)  
Active Display Area  
USB Hub  
Landscape: Horiz.: 641 mm/25.2 inches  
Vert.: 401 mm/15.8 inches  
Portrait: Horiz.: 401 mm/15.8 inches  
Vert.: 641 mm/25.2 inches  
I/F: USB Specification Revision 2.0  
Port: Upstream 2  
Downstream 3  
Load Current: Maximum 0.5A per port  
Power Supply  
Current Rating  
Dimensions  
AC 100-240 V ~ 50/60 Hz  
1.9 - 0.7 A (with option)  
Landscape: 688.0 mm (W) x 466.4 - 616.4 mm (H) x 301.6 mm (D)  
27.1 inches (W) x 18.4 - 24.3 inches (H) x 11.9 inches (D)  
Portrait: 446.8 mm (W) x 707.1 - 737.0 mm (H) x 301.6 mm (D)  
17.6 inches (W) x 27.8 - 29.0 inches (H) x 11.9 inches (D)  
Height Adjustment: 150 mm / 5.9 inches (Landscape orientation)  
29.9 mm / 1.2 inches (Portrait orientation)  
Weight  
18.8 kg (41.5 lbs)  
Environmental Considerations  
Operating Temperature: 5°C to 35°C/41°F to 95°F  
Humidity: 30% to 80%  
Altitude: 0 to 10,000 Feet/0 to 3,048 m  
Storage Temperature: -10°C to 60°C/14°F to 140°F  
Humidity: 10% to 85%  
Altitude: 0 to 40,000 Feet/0 to 12,192 m  
*1 Interpolated Resolutions: When resolutions are shown that are lower than the pixel count of the LCD module, text may appear different. This is normal and  
necessary for all current flat panel technologies when displaying non-native resolutions full screen. In flat panel technologies, each dot on the screen is actually one  
pixel, so to expand resolutions to full screen, an interpolation of the resolution must be done.  
NOTE:  
Technical specifications are subject to change without notice.  
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Features  
DisplayPort: DisplayPort is designed to be the future-ready, scalable solution for high performance digital display connectivity. It  
enables the highest resolutions, the fastest refresh rates and deepest color depths over standard cables.  
DFP (Digital Flat Panel): An all-digital interface for flat panel monitors which is signal compatible with DVI. As a DVI-based digital only  
connection, only a simple adapter is necessary for compatibility between DFP and other DVI-based digital connectors such as DVI and  
P&D.  
P&D (Plug and Display): The VESA standard for digital flat panel monitor interfaces. It is more robust than DFP since it allows for other  
options off a signal connector (options like USB, analog video and IEEE-1394-995). The VESA committee has recognized that DFP is a  
subset of P&D. As a DVI-based connector (for the digital input pins), only a simple adapter is necessary for compatibility between P&D  
and other DVI-based digital connector such as DVI and DFP.  
Pivoting Stand: Allows users to adjust the monitor to the orientation that best fits their application, either Landscape orientation for  
wide documents, or Portrait orientation for the ability to preview a full page on one screen at one time. The Portrait orientation is also  
perfect for full screen video conferencing.  
Reduced Footprint: Provides the ideal solution for environments with space constraints that still require superior image quality. The  
monitor’s small footprint and low weight allow it to be moved or transported easily from one location to another.  
Color Control Systems: Allow you to adjust the colors on your screen and customize the color accuracy of your monitor to a variety of  
standards.  
Natural Color Matrix: Combines Six-axis color control and the sRGB standard. Six-axis color control permits color adjustments via  
six axes (R, G, B, C, M and Y) rather than through the three axes (R, G and B) previously available. The sRGB standard provides the  
monitor with a uniform color profile. This assures that the colors displayed on the monitor are exactly the same as on the color printout  
(with sRGB supporting operating system and sRGB printer). This allows you to adjust the colors on your screen and customise the color  
accuracy of your monitor to a variety of standards.  
OSD (On-Screen Display) Controls: Allow you to quickly and easily adjust all elements of your screen image via simple to use on-  
screen menus.  
ErgoDesign Features: Enhanced human ergonomics to improve the working environment, protect the health of the user and save  
money. Examples include OSD controls for quick and easy image adjustments, tilt base for preferred angle of vision, small footprint and  
compliance with MPRII and TCO guidelines for lower emissions.  
Plug and Play: The Microsoft® solution with the Windows® operating system facilitates setup and installation by allowing the monitor  
to send its capabilities (such as screen size and resolutions supported) directly to your computer, automatically optimizing display  
performance.  
Intelligent Power Manager System: Provides innovative power-saving methods that allow the monitor to shift to a lower power  
consumption level when on but not in use, saving two-thirds of your monitor energy costs, reducing emissions and lowering the air  
conditioning costs of the workplace.  
Multiple Frequency Technology: Automatically adjusts monitor to the display card’s scanning frequency, thus displaying the resolution  
required.  
FullScan Capability: Allows you to use the entire screen area in most resolutions, significantly expanding image size.  
Wide Viewing Angle Technology: Allows you to be able to see the monitor from any angle (178°) from any orientation — Portrait or  
Landscape. Provides full 178° viewing angles either up, down, left or right.  
VESA Standard Mounting Interface: Allows users to connect your MultiSync monitor to any VESA standard third party mounting arm  
or bracket.  
Visual Controller: Is a ground-breaking software family, developed by NEC Display Solutions, providing intuitive access to all monitor  
setting controls and remote diagnosis via the Windows interface, based upon the VESA standard, DDC/CI. Using a standard VGA or  
DVI signal cable, Visual Controller can either benefit single users or, with Visual Controller Administrator, can reduce the Total Cost of  
Ownership through remote network-wide maintenance, diagnosis and asset-reporting.  
No-Touch Auto Adjust*1 (Analog input only): Automatically adjusts the monitor to optimal settings upon initial setup.  
sRGB Color Control: A new optimized color management standard which allows for color matching on computer displays and other  
peripherals. The sRGB, which is based on the calibrated color space, allows for optimal color representation and backward compatibility  
with other common color standards.  
UNIFORMITY: This feature compensates for slight variations in the white uniformity level that may occur on the screen and improves  
the color and evens out the luminance uniformity of the display.  
Response Improve: Improved gray to gray response.  
Adjustable stand with pivot capability: Adds flexibility to your viewing preferences.  
Quick Release stand: Allows fast removal.  
Auto dimming technology: Automatically adjusts the backlight level depending on the level of ambient lighting.  
USB 2.0 hub adds excitement to your computing by connecting you to digital cameras, scanners and more.  
*1 Only for PA231W/PA241W.  
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Troubleshooting  
No picture  
•
•
•
•
•
The signal cable should be completely connected to the display card/computer.  
The display card should be completely seated in its slot.  
The monitor does not support DisplayPort converter signal.  
Front Power Switch and computer power switch should be in the ON position.  
Check to make sure that a supported mode has been selected on the display card or system being used.  
(Please consult display card or system manual to change graphics mode.)  
•
•
•
•
•
Check the monitor and your display card with respect to compatibility and recommended settings.  
Check the signal cable connector for bent or pushed-in pins.  
Check the signal input, “DVI-D”, “DisplayPort” or “D-Sub”.  
If the front LED is blinking amber, check the status of the OFF MODE mode (see page 13).  
When using a DVD player or any other type of high-definition device, please do not use interlaced signals. If the monitor  
detects an interlaced signal, an OSD warning will appear. If this OSD warning appears, please do the following: press the  
RESET and EXIT buttons simultaneously, to temporarily show the image coming from the high-definition device. While  
the image is visible, change the signal of the device from interlaced to progressive (non-interlaced). Consult the User’s  
Manual included with the device for detailed information on changing the signal from interlaced to progressive.  
Power Button does not respond  
Unplug the power cord of the monitor from the AC outlet to turn off and reset the monitor.  
•
Image Persistence  
•
Image persistence is when a residual or “ghost” image of a previous image remains visible on the screen. Unlike CRT  
monitors, LCD monitors’ image persistence is not permanent, but constant images being displayed for a long period  
of time should be avoided. To alleviate image persistence, turn off the monitor for as long as the previous image was  
displayed. For example, if an image was on the monitor for one hour and a residual image remains, the monitor should  
be turned off for one hour to erase the image.  
NOTE:  
As with all personal display devices, NEC DISPLAY SOLUTIONS recommends using a moving screen saver at  
regular intervals whenever the screen is idle or turning off the monitor when not in use.  
Picture is discolored  
•
•
•
•
•
Make sure COLOR VISION EMU is OFF.  
Make sure PICTURE MODE setting is same as ICC profile on PC.  
Set SELF COLOR CORRECTION.  
When using an analog input, display the test pattern included in the enclosed CD-ROM and set AUTO ADJUST*1.  
First, use the front POWER button to turn off the monitor. Then use the POWER button turn the monitor on while holding  
RESET (PIP) and SELECT (INPUT) buttons at the same time. This will reset all color parameters to the factory setting.  
This reset will take about 10 seconds and then the factory settings screen is displayed.  
Color irregularities on screen  
•
Reduce BRIGHTNESS.  
•
Set UNIFORMITY to “5”.  
Image is flickering  
•
When using an analog input, display the test pattern included in the enclosed CD-ROM and set AUTO ADJUST*1.  
Message “OUT OF RANGE” is displayed (screen is either blank or shows rough images only)  
•
Image is displayed only roughly (pixels are missing) and OSD warning “OUT OF RANGE” is displayed: Either signal  
clock or resolution is too high. Choose one of the supported modes.  
•
OSD warning “OUT OF RANGE” is displayed on a blank screen: Signal frequency is out of range. Choose one of the  
supported modes.  
Image is unstable, unfocused or swimming is apparent  
•
Signal cable should be completely attached to the computer.  
•
Use the OSD Image Adjust controls to focus and adjust display by increasing or decreasing the fine adjustment.  
When the display mode is changed, the OSD Image Adjust settings may need to be readjusted.  
•
•
Check the monitor and your display card with respect to compatibility and recommended signal timings.  
If your text is garbled, change the video mode to non-interlace and use 60Hz refresh rate.  
LED on monitor is not lit (no green, blue or amber color can be seen)  
Power Switch should be in the ON position and power cord should be connected.  
•
Picture is not as bright  
•
•
•
•
•
Make sure ECO MODE and AUTO BRIGHTNESS are turned off.  
If the brightness fluctuates make sure AUTO BRIGHTNESS is turned off.  
In PICTURE MODE, set HI-BRIGHT. See page 15.  
LCD brightness degradation occurs due to long-term usage or extreme cold conditions.  
When the display cannot achieve the desired brightness, the numerical brightness value on the OSD will blink.  
*1 Only for PA231W/PA241W.  
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Display image is not sized properly  
•
Use the OSD Image Adjust controls to increase or decrease the Coarse adjustment.  
•
Check to make sure that a supported mode has been selected on the display card or system being used.  
(Please consult display card or system manual to change graphics mode.)  
No Video  
•
•
•
If no video is present on the screen, turn the Power button off and on again.  
Make certain the computer is not in a power-saving mode (touch the keyboard or mouse).  
Some video cards do not output video signal when monitor is turned OFF/ON or disconnect/connect from the AC power  
cord under low resolution with DisplayPort.  
•
If no video is present on the screen, check the status of the EDID EXTENSION in the User menu (see page 12), the  
setting may need to be changed to allow HDCP content to be displayed.  
Brightness variations over time  
•
Change Auto Brightness to OFF and adjust brightness.  
NOTE:  
When Auto Brightness is set to ON, the monitor automatically adjusts brightness based on the environment.  
When the brightness of surrounding environment changes, the monitor will also change.  
Self Diagnosis  
•
The LCD display is equipped with the ability to self diagnose abnormalities. When the LCD detects a problem, the LED  
on the front flashes in a pattern of long and short blinks, depending on the type of problem detected.  
•
If the LED signals a problem, please refer service to qualified personnel.  
USB Hub does not operate  
•
•
•
Check to make sure the USB cord is properly connected. Refer to your USB devise User’s Manual.  
Make sure correct upstream is selected on USB hub setting (see page 12).  
Disconnect one upstream USB cable when using 2 upstream.  
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Using the Auto Brightness function  
The brightness of the LCD screen can be set to increase or decrease depending on the amount of ambient light within the  
room. If the room is bright, the monitor becomes correspondingly bright. If the room is dim, then the monitor will dim accordingly.  
The purpose of this function is to make the viewing experience more comfortable to the eye in a variety of lighting conditions.  
PA231W: The Auto Brightness function is set to ON by default.  
PA241W/PA271W/PA301W: The Auto Brightness function is set to OFF by default.  
SETUP  
Use the following procedures to select the Brightness Range that the monitor will use when the Auto Brightness function is  
activated.  
1. Set the BRIGHTNESS level. This is the brightness level that the monitor will go up to when the ambient light level is highest.  
Select this setting when the room is at its brightest.  
Select “ON” in the AUTO BRIGHTNESS menu (Figure 1). Then use the front buttons to move the cursor up to the  
BRIGHTNESS setting. Choose the desired brightness level (Figure 2).  
2. Set the DARK level. This is the level of brightness that the monitor will go down to when the ambient light level is low.  
Make sure the room is at its darkest when setting this level.  
Then use the front buttons to move the cursor up to the BRIGHTNESS setting. Choose the desired brightness level  
(Figure 3).  
Example: PA241W/PA271W/PA301W  
Example: PA241W/PA271W/PA301W  
Figure 1  
Figure 2  
Figure 3  
When the “Auto Brightness” function is enabled the Brightness level of the screen changes automatically according to the  
lighting conditions of the room (Figure 4).  
BRIGHTNESS range  
BRIGHTNESS level set  
for the monitor to use  
when ambient lighting  
level is low.  
BRIGHTNESS level set for the  
monitor to use when ambient  
lighting level is high.  
Bright condition area  
room bright condition  
dark  
bright  
Dark condition area  
Screen Brightness value by Auto Brightness function  
Figure 4  
Lb: Border between bright and dim lighting conditions; set at factory  
L1: BRIGHTNESS level set for the monitor to use when ambient lighting level is high (L1>Lb)  
L2 : BRIGHTNESS level set for the monitor to use when ambient lighting level is low (L2<Lb)  
L1 and L2 are the brightness levels set by the user to compensate for changes in ambient lighting.  
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Self Calibration (PA301W only)  
Simply connect the external USB color sensor, and re-calibrate the factory settings without the need of a computer. This feature  
is to compensate for a yellow color shift that typically occurs with long-term LCD usage. All PICTURE MODES are updated  
when Self Calibration is performed.  
Before proper self calibration can be performed, display should warm-up for a minimum 40 minutes. If this calibration is started  
before the monitor is warmed up, a warning will appear on-screen (Figure S.2).  
NOTE:  
NOTE:  
Stand-alone calibration can only be performed using the X-Rite i1 Display 2 Sensor.  
Refer to the KEY MAP (Figure A) when changing settings during the calibration.  
Calibration can be performed in either portrait or landscape orientation.  
You can start calibration without computer as following.  
When there is “NO SIGNAL” menu, press “LEFT”, then “RIGHT” button and hold down simultaneously. All White  
Pattern Image will be displayed. After this, Plug-in the USB color sensor to the side (or bottom when Portrait  
orientation) USB downstream port. You can start Self Calibration from step number 4.  
USB color sensor  
KEY MAP  
UP/DOWN:  
Changes from setting to setting  
LEFT/RIGHT: Changes the setting selection  
(ie...SELF or COPY)  
SELECT:  
EXIT:  
Moves to the next step of calibration  
Moves back one step of calibration  
USB icon ( )  
is on the  
other side  
Figure A  
USB downstream  
Figure S.1  
1. Select STAND-ALONE CALIBRATION in Tag B in Advanced OSD menu.  
2. Unplug the USB equipment from the side (or bottom when Portrait orientation) USB downstream port and press “SELECT”.  
3. Plug-in the USB color sensor to the side (or bottom when Portrait orientation) USB downstream port (Figure S.1).  
4. The calibration menu will open and the sensor will begin to initialize.  
Figure S.2  
5. Use “LEFT” or “RIGHT” to select SELF in the MODE selection. Press “UP” or “DOWN” to move to the next selection.  
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6. The procedure will ask for the USB color sensor to be placed on the center of the display panel (Figure S.3). Tilt the display  
panel approximately 5˚ backward and place the USB color sensor in the center of the display panel (Figure S.1).  
NOTE:  
Place the USB color sensor flat against the LCD to avoid external light contamination. DO NOT press the calibrator  
against the display panel.  
Press “SELECT” to start the calibration. Stand-alone calibration may take several minutes depending on user settings.  
Figure S.3  
7. After the CALIBRATION SUCCEEDED message appears (Figure S.4), press SELECT.  
8. To end the calibration mode, press “EXIT”.  
Figure S.4  
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White Point Matching/Copy (PA301W only)  
The white point can be copied from one display to one or more additional displays. Using this feature reduces the variation  
between different displays allowing them to match each other more closely.  
Before proper copy can be performed, displays should warm-up for a minimum 40 minutes. If this calibration is started before  
the minute warm-up, a warning will appear on-screen (Figure C.3). White Point Matching/Copy does not compensate for a  
typical yellow color shift due to long-term LCD usage. If this yellow shift is noticeable, please do Self Calibration. See Page 34.  
NOTE:  
Stand-alone calibration can only be performed using the X-Rite i1 Display 2 Sensor.  
Refer to the KEY MAP (Figure A) when changing settings during the calibration.  
Calibration can be performed in either portrait or landscape orientation.  
NOTE:  
You can start calibration without computer as following.  
When there is “NO SIGNAL” menu, press “LEFT”, then “RIGHT” button and hold down simultaneously. All White  
Pattern Image will be displayed. After this, Plug-in the USB color sensor to the side (or bottom when Portrait  
orientation) USB downstream port. You can start Copy from step number 4.  
USB color  
sensor  
USB icon ( ) is on  
the other side  
USB downstream  
Figure C.1  
Figure C.2  
Display A – SOURCE display of white point to copy.  
Display B – PA301W which performs a copy.  
KEY MAP  
UP/DOWN:  
Changes from setting to setting  
LEFT/RIGHT: Changes the setting selection  
(ie...SELF or COPY)  
SELECT:  
EXIT:  
Moves to the next step of calibration  
Moves back one step of calibration  
Figure A  
1. Select STAND-ALONE CALIBRATION in Tag B in Advanced OSD menu.  
2. Unplug the USB equipment from the side (or bottom when Portrait orientation) USB downstream port and press “SELECT”.  
3. Plug-in the USB color sensor to the side (or bottom when Portrait orientation) USB downstream port (Figure C.1).  
4. The calibration menu will open and the USB color sensor will begin to initialize.  
Figure C.3  
5. Show the target white color on Display A. For example, change the wallpaper to a plain white background or use an  
application to display a white screen such as the editing screen of a word processor.  
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6. Using “LEFT” or “RIGHT” of Display B, select COPY in the MODE selection (Figure C.4).  
7. Select the PICTURE MODE of Display B.  
8. The procedure will ask for the USB color sensor to be placed on the center of the display panel (Figure C.5). Tilt the display  
panel approximately 5˚ backward and place the USB color sensor in the center of the display panel (Figure C.1).  
NOTE:  
Place the USB color sensor flat against the display to avoid external light contamination. Do not press the calibrator  
against the display panel. Press “SELECT”.  
9. Press SELECT on Display B to start measuring the white point of Display A.  
10. After copying Display A information, the target luminance will be stored and displayed in the OSD of Display B.  
The target value is not adjustable (Figure C.6).  
Figure C.4  
Figure C.5  
Figure C.6  
11. Remove USB sensor from source Display A and place in the center of Display B (Figure C.2).  
12. Press SELECT to start the copy.  
13. Once the calibration is successfully completed, the white points of Display A and Display B should match. After the  
CALIBRATION SUCCEEDED message appears (Figure C.7), press SELECT to continue into the Fine Tuning mode.  
14. At the FINE TUNING MODE message (Figure C.8), press SELECT if the calibration is satisfactory. If the calibration is  
unsatisfactory, there are two options:  
(A) Manually fine tune the white point using the “LEFT” and “RIGHT” keys.  
(B) Restart the copy, press SELECT and return to Step 3.  
15. To end the calibration mode, press “EXIT”.  
Figure C.7  
Figure C.8  
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TCO’03 (for MultiSync PA271W/PA301W)  
Congratulations!  
The display you have just purchased carries the TCO’03 Displays  
label. This means that your display is designed, manufactured and  
tested according to some of the strictest quality and environmental  
requirements in the world. This makes for a high performance  
product, designed with the user in focus that also minimizes the  
impact on our natural environment.  
Some of the features of the TCO’03 Display requirements:  
Ergonomics  
• Good visual ergonomics and image quality in order to improve the working environment  
for the user and to reduce sight and strain problems. Important parameters are luminance,  
contrast, resolution, reflectance, color rendition and image stability.  
Energy  
• Energy-saving mode after a certain time – beneficial both for the user and the environment  
• Electrical safety  
Emissions  
• Electromagnetic fields  
• Noise emissions  
Ecology  
• The product must be prepared for recycling and the manufacturer must have a certified  
environmental management system such as EMAS or ISO 14 001  
• Restrictions on:  
- chlorinated and brominated flame retardants and polymers  
- heavy metals such as cadmium, mercury and lead.  
The requirements included in this label have been developed by TCO Development in co-  
operation with scientists, experts, users as well as manufacturers all over the world. Since the  
end of the 1980s TCO has been involved in influencing the development of IT equipment in  
a more user-friendly direction. Our labelling system started with displays in 1992 and is now  
requested by users and IT-manufacturers all over the world.  
For more information, please visit  
www.tcodevelopment.com  
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TCO Displays 5 (for MultiSync PA231W/PA241W)  
Congratulations!  
This display is designed for both you and the planet!  
The display you have just purchased carries the TCO  
CertiÞed label. This ensures that your display is designed,  
manufactured and tested according to some of the strictest  
quality and environmental requirements in the world.  
This makes for a high performance product, designed with  
the user in focus that also minimizes the impact on the  
climate and our natural environment.  
TCO CertiÞed is a third party veriÞed program, where every product model is tested by an  
accredited impartial test laboratory. TCO CertiÞed represents one of the toughest certiÞcations  
for displays worldwide.  
Some of the Usability features of the TCO Certified for displays:  
• Good visual ergonomics and image quality is tested to ensure top performance and reduce  
sight and strain problems. Important parameters are luminance, contrast, resolution, black level,  
gamma curve, color and luminance uniformity, color rendition and image stability.  
• Product have been tested according to rigorous safety standards at an impartial laboratory.  
• Electric and magnetic Þelds emissions as low as normal household background levels.  
• Low acoustic noise emissions.  
Some of the Environmental features of the TCO Certified for displays:  
• The brand owner demonstrates corporate social responsibility and has a certiÞed  
environmental management system (EMAS or ISO 14001).  
• Very low energy consumption both in on- and standby mode minimize climate impact.  
• Restrictions on chlorinated and brominated ßame retardants, plasticizers, plastics and  
heavy metals such as cadmium, mercury and lead (RoHS compliance).  
• Both product and product packaging is prepared for recycling.  
• The brand owner offers take-back options.  
The requirements can be downloaded from our web site. The requirements included in this  
label have been developed by TCO Development in co-operation with scientists, experts,  
users as well as manufacturers all over the world. Since the end of the 1980s TCO has been  
involved in inßuencing the development of IT equipment in a more user-friendly direction.  
Our labeling system started with displays in 1992 and is now requested by users and IT-  
manufacturers all over the world. About 50% of all displays worldwide are TCO certiÞed.  
For more information, please visit  
www.tcodevelopment.com  
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Manufacturer’s Recycling and Energy Information  
NEC DISPLAY SOLUTIONS is strongly committed to environmental protection and sees recycling as one of the company’s  
top priorities in trying to minimize the burden placed on the environment. We are engaged in developing environmentally-  
friendly products, and always strive to help define and comply with the latest independent standards from agencies such as  
ISO (International Organisation for Standardization) and TCO (Swedish Trades Union).  
Disposing of your old NEC product  
The aim of recycling is to gain an environmental benefit by means of re-use, upgrading, reconditioning or reclamation of  
material. Dedicated recycling sites ensure that environmentally harmful components are properly handled and securely  
disposed. To ensure the best recycling of our products, NEC DISPLAY SOLUTIONS offers a variety of recycling procedures  
and gives advice on how to handle the product in an environmentally sensitive way, once it has reached the end of its life.  
All required information concerning the disposal of the product and country-specific information on recycling facilities can be  
found on our following websites:  
http://www.nec-display-solutions.com/greencompany/ (in Europe),  
http://www.nec-display.com (in Japan) or  
http://www.necdisplay.com (in USA).  
Energy Saving  
This monitor features an advanced energy saving capability. When a VESA Display Power Management Signalling (DPMS)  
Standard signal is sent to the monitor, the Energy Saving mode is activated. The monitor enters a single Energy Saving mode.  
Mode  
Power consumption  
LED colour  
Normal Operation (with option)  
Approx. 73 W (PA231W)  
Approx. 115 W (PA241W)  
Approx. 146 W (PA271W)  
Approx. 165 W (PA301W)  
Green or blue  
Normal Operation (at TCO testing)  
Approx. 48 W (PA231W)  
Approx. 55 W (PA241W)  
Approx. 73 W (PA271W)  
Approx. 90 W (PA301W)  
Green or blue  
Energy Saving Mode  
Off Mode  
Less than 1.7 W (PA301W)  
Less than 1.4 W (PA271W)  
Less than 1 W (PA231W/PA241W)  
Amber  
Unlit  
Less than 0.2 W  
WEEE Mark (European Directive 2002/96/EC)  
Within the European Union  
EU-wide legislation, as implemented in each Member State, requires that waste electrical and electronic  
products carrying the mark (left) must be disposed of separately from normal household waste. This includes  
monitors and electrical accessories, such as signal cables or power cords. When you need to dispose of your  
NEC display products, please follow the guidance of your local authority, or ask the shop where you purchased  
the product, or if applicable, follow any agreements made between yourself and NEC.  
The mark on electrical and electronic products only applies to the current European Union Member States.  
Outside the European Union  
If you wish to dispose of used electrical and electronic products outside the European Union, please contact your local authority  
so as to comply with the correct disposal method.  
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