Asus Computer Monitor 90LMGA070T0108UL User Manual

PB278Q Series  
LCD Monitor  
User Guide  
Notices  
Federal Communications Commission Statement  
This device complies with Part 15 of the FCC Rules. Operation is subject  
to the following two conditions:  
This device may not cause harmful interference, and  
This device must accept any interference received including  
interference that may cause undesired operation.  
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 manufacturer’s 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 to an outlet on a circuit different from that to  
which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
As an Energy Star® Partner, our company has determined  
that this product meets the Energy Star® guidelines for  
energy efficiency.  
Canadian Department of Communications Statement  
This digital apparatus does not exceed the Class B limits for radio  
noise emissions from digital apparatus set out in the Radio Interference  
Regulations of the Canadian Department of Communications.  
This class B digital apparatus complies with Canadian ICES-003.  
iii  
Safety information  
Before setting up the monitor, carefully read all the documentation that  
came with the package.  
To prevent fire or shock hazard, never expose the monitor to rain or  
moisture.  
Never try to open the monitor cabinet. The dangerous high voltages  
inside the monitor may result in serious physical injury.  
If the power supply is broken, do not try to fix it by yourself. Contact a  
qualified service technician or your retailer.  
Before using the product, make sure all cables are correctly connected  
and the power cables are not damaged. If you detect any damage,  
contact your dealer immediately.  
Slots and openings on the back or top of the cabinet are provided for  
ventilation. Do not block these slots. Never place this product near or  
over a radiator or heat source unless proper ventilation is provided.  
The monitor should be operated only from the type of power source  
indicated on the label. If you are not sure of the type of power supply to  
your home, consult your dealer or local power company.  
Use the appropriate power plug which complies with your local power  
standard.  
Do not overload power strips and extention cords. Overloading can  
result in fire or electric shock.  
Avoid dust, humidity, and temperature extremes. Do not place the  
monitor in any area where it may become wet. Place the monitor on a  
stable surface.  
Unplug the unit during a lightning storm or if it will not be used for a  
long period of time. This will protect the monitor from damage due to  
power surges.  
Never push objects or spill liquid of any kind into the slots on the  
monitor cabinet.  
To ensure satisfactory operation, in case use at a PC then it should  
use the monitor only with computers which have appropriate  
configured receptacles marked between 100-240V AC.  
If you encounter technical problems with the monitor, contact a  
qualified service technician or your retailer.  
The wall socket shall be installed near the equipment and shall be  
easily accessible.  
iv  
Care & Cleaning  
Before you lift or reposition your monitor, it is better to disconnect the  
cables and power cord. Follow the correct lifting techniques when  
positioning the monitor. When lifting or carrying the monitor, grasp the  
edges of the monitor. Do not lift the display by the stand or the cord.  
Cleaning. Turn your monitor off and unplug the power cord. Clean the  
monitor surface with a lint-free, non-abrasive cloth. Stubborn stains  
may be removed with a cloth dampened with mild cleaner.  
Avoid using a cleaner containing alcohol or acetone. Use a cleaner  
intended for use with the LED. Never spray cleaner directly on the  
screen, as it may drip inside the monitor and cause an electric shock.  
The following symptoms are normal with the monitor:  
The screen may flicker during the initial use due to the nature of the  
fluorescent light. Turn off the Power Switch and turn it on again to  
make sure that the flicker disappears.  
You may find slightly uneven brightness on the screen depending on  
the desktop pattern you use.  
When the same image is displayed for hours, an afterimage of the  
previous screen may remain after switching the image. The screen will  
recover slowly or you can turn off the Power Switch for hours.  
When the screen becomes black or flashes, or cannot work anymore,  
contact your dealer or service center to fix it. Do not repair the screen  
by yourself!  
Conventions used in this guide  
WARNING: Information to prevent injury to yourself when trying  
to complete a task.  
CAUTION: Information to prevent damage to the components  
when trying to complete a task.  
IMPORTANT: Information that you MUST follow to complete a  
task.  
NOTE: Tips and additional information to aid in completing a  
task.  
v
Where to find more information  
Refer to the following sources for additional information and for product and  
software updates.  
1.  
2.  
ASUS websites  
The ASUS websites worldwide provide updated information on ASUS  
hardware and software products. Refer to http://www.asus.com  
Optional documentation  
Your product package may include optional documentation that may have  
been added by your dealer. These documents are not part of the standard  
package.  
vi  
1.1  
Welcome!  
Thank you for purchasing the ASUS® PB278Q Series LCD monitor!  
The latest widescreen LCD monitor from ASUS provides a crisper, broader, and  
brighter display, plus a host of features that enhance your viewing experience.  
With these features, you can enjoy the convenience and delightful visual  
experience that the PB278Q Series brings you!  
1.2  
Package contents  
Check your PB278Q Series LCD monitor package for the following items:  
LCD monitor  
Power Cord  
VGA Cable  
DVI Cable (Dual link)  
DisplayPort Cable  
HDMI Cable  
Audio Cable  
Quick Start Guide  
Warranty Card  
If any of the above items is damaged or missing, contact your retailer  
immediately.  
ASUS LCD Monitor PB278Q Series  
1-1  
1.3  
Assembling the monitor  
To assemble the monitor:  
1. Place the display at on a cloth on the table, assemble the base  
according to the drawing and use a coin to turn the screw tight.  
2. Put the cable clip inset the hole of stand, and adjust the monitor to  
the angle that is most comfortable for you.  
1
2
1-2  
Chapter 1: Product Introduction  
1.4  
Monitor introduction  
1.4.1  
Front of the LCD monitor  
4
2
7
6
5
3
1
1.  
Power Button/Power Indicator:  
Press this button to turn the monitor on/off.  
The color definition of the power indicator is shown below.  
Status  
Blue  
Description  
ON  
Amber  
OFF  
Standby mode  
OFF  
2.  
3.  
Input Select Button:  
Press this button to select input source.  
Button:  
Press this button to increase values or to move your selection  
right/up.  
Brightness hotkey  
4. MENU Button:  
Press this button to turn on the OSD menu, or to enact the  
selected OSD menu item.  
ASUS LCD Monitor PB278Q Series  
1-3  
Press this button to exit the hotkey OSD menu.  
5.  
6.  
Button:  
Press this button to decrease values or to move your selection  
left/down.  
Volume hotkey  
QuickFit button:  
Press this button to activate the QuickFit function designed for  
alignment.  
The QuickFit function contains 9 pages of common grid patterns,  
paper sizes, and photo sizes. (Please refer to 1.3.3 QuickFit  
Function)  
7.  
Button:  
Press this button to select a desired preset mode.  
Press this button to exit the OSD menu or to go back to the  
previous menu when the OSD menu is active.  
Press this button for 2 ~ 4 seconds to automatically adjust the  
image to its optimized position, clock, and phase (for VGA mode  
only).  
1-4  
Chapter 1: Product Introduction  
1.4.2  
Rear of the LCD monitor  
2
3
4
5
6
7
8
1
Rear connectors  
1. Kensington lock slot.  
2. AC-IN port: This port connects the power cord.  
3. DisplayPort. This port is for connection with a DisplayPort compatible  
device.  
4. VGA port: This 15-pin port is for PC VGA connection.  
5. DVI port: This 24-pin port is for PC (Personal Computer) DVI-D digital  
signal connection.  
6. HDMI port: This port is for connection with an HDMI compatible  
device.  
While the PB278Q supports up to 2560 x 1440 WQHD resolutions  
including DVI-dual link, HDMI and DisplayPort, some graphics  
cards only support up to 1920 x 1200 resolution content  
transmission via HDMI. Please check with your local distributor or  
retailer on the hardware limitations of your laptop or desktop.  
7. Audio Line-in Port  
8. Earphone jack.  
ASUS LCD Monitor PB278Q Series  
1-5  
1.4.3  
QuickFit Function  
The QuickFit function contains three patterns: (1) Grid (2) Paper size (3) Photo  
size.  
1. Grid patterns  
The grid patterns facilitate designers and users to organize content and layout on a  
page and achieve a consistent look and feel.  
Alignment Grid  
2. Paper size  
QuickFit provides numerous commonly used standard paper sizes for users to  
view their documents in real size on the screen.  
Letter  
1-6  
Chapter 1: Product Introduction  
3. Photo size  
The various real photo sizes displayed in the QuickFit function provides  
photographers and other users to accurately view and edit their photos in real size  
on the screen.  
Photo 4x6, 3x5, 2x2  
Photo 8x10, 5x7  
ASUS LCD Monitor PB278Q Series  
1-7  
2.1  
Detaching the arm/stand  
(for VESA wall mount)  
The detachable stand of this monitor is specially designed for VESA wall mount.  
To detach the arm/stand:  
1. Disconnect power and signal cables. Carefully put the front of the  
monitor face down on a clean table.  
2. Use a screwdriver to remove the four screws on the arm (Figure 1),  
and then detach the arm/stand from the monitor (Figure 2).  
We recommend that you cover the table surface with soft cloth to  
prevent damage to the monitor.  
Hold the stand of the monitor while removing the screws.  
Figure 1  
Figure 2  
The VESA wall mount kit ( 100 x 100 mm) is purchased separately.  
Use only the UL Listed Wall Mount Bracket with minimum weight/  
load 28.8 kg (Screw size: 4 x 10 mm).  
2-1  
Chapter 2: Setup  
2.2  
Adjusting the monitor  
For optimal viewing, we recommend that you look at the full face of the  
monitor, then adjust the monitor to the angle that is most comfortable  
for you.  
Hold the stand to prevent the monitor from falling when you change its  
angle.  
You can adjust the monitor’s angle from +20˚ to -5˚ and it allows 60˚  
swivel adjustment from either left or right. You can also adjust the  
monitor’s height within +/- 12cm.  
-5° ~ +20°  
60°  
60°  
12cm  
0°  
Pivoting the monitor  
1. Lift the monitor to the highest position.  
2. Tilt the monitor to its maximum angle.  
3. Pivot the monitor clockwise to the angle you need.  
-5° ~ +20°  
2
3
1
It is normal that the monitor slightly shakes while you adjust the viewing  
angle.  
ASUS LCD Monitor PB278Q Series  
2-2  
2.3  
Connecting the cables  
Connect the cables as the following instructions:  
To connect the power cord: Connect one end of the power cord  
securely to the monitor’s AC input port, the other end to a power outlet.  
To connect the VGA/HDMI/DVI/DisplayPort cable:  
a. Plug one end of the VGA/HDMI/DVI/DisplayPort cable to the monitor’s VGA/  
HDMI/DVI/DisplayPort jack.  
b. Connect the other end of the VGA/HDMI/DVI/DisplayPort cable to your  
computer’s VGA/HDMI/DVI/DisplayPort jack.  
c. Tighten the two screws to secure the VGA/DVI connector.  
To connect the audio cable: Plug one end of the audio cable to the  
monitor’s Audio Line-in Port  
.
Connect the other end of the audio cable to your  
computer’s audio Port.  
To use the earphone: Connect the end with plug type to the monitor’s  
earphone jack when an HDMI or DisplayPort signal is fed.  
When these cables are connected, you can choose the desired signal  
from the Input Select item in the OSD menu.  
2-3  
Chapter 2: Setup  
3.1  
OSD (On-Screen Display) menu  
3.1.1  
How to reconfigure  
PB278  
Standard Mode  
sRGB Mode  
Splendid  
Color  
Image  
Scenery Mode  
Theater Mode  
Sound  
Input Select  
System Setup  
User Mode  
Move  
Menu  
Exit  
1. Press the MENU button to activate the OSD menu.  
2. Press and to navigate through the functions. Highlight  
and activate the desired function by pressing the MENU button. If the  
function selected has a sub-menu, press and again to  
navigate through the sub-menu functions. Highlight and activate the  
desired sub-menu function by pressing the MENU button.  
3. Press  
function.  
and  
to change the settings of the selected  
4. To exit the OSD menu, press the  
step 3 to adjust any other function.  
button. Repeat step 2 and  
ASUS LCD Monitor PB278Q Series  
3-1  
3.1.2  
OSD Function Introduction  
1.  
Splendid  
This function contains five sub-functions that you can select for your  
preference. Each mode has the Reset selection, allowing you to maintain  
your setting or return to the preset mode.  
PB278  
Standard Mode  
sRGB Mode  
Splendid  
Color  
Image  
Scenery Mode  
Theater Mode  
Sound  
Input Select  
System Setup  
User Mode  
Move  
Menu  
Exit  
Standard Mode: This is the best choice for document editing with  
SPLENDID™ Video Intelligence.  
sRGB Mode: Compatible with sRGB color space. sRGB mode is  
the best choice for document editing.  
Color  
Space  
White Point  
Xw Yw  
sRGB 0.3127 0.329  
Primaries  
Xr  
0.64  
Yr  
0.33  
Xg  
0.3  
Yg  
0.6  
Xb  
0.15  
Yb  
0.06  
Scenery Mode: This is the best choice for scenery photo  
displaying with SPLENDID™ Video Intelligence.  
Theater Mode: This is the best choice for movie watching with  
SPLENDID™ Video Intelligence.  
3-2  
Chapter 3: General Instruction  
User Mode: More items are adjustable in the Color menu.  
Standard sRGB Scenery Theater  
User  
Mode  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Yes  
Function  
Mode  
Yes  
Yes  
No  
Mode  
Yes  
No  
No  
No  
Mode  
Yes  
Yes  
Yes  
No  
Mode  
Yes  
Yes  
Yes  
No  
Brightness  
Contrast  
Saturation  
Hue  
Color Temperature  
Gamma  
Advanced Gain  
No  
Yes  
Yes  
No  
No  
No  
No  
No  
Yes  
No  
No  
No  
Yes  
No  
No  
No  
Setting  
Offset  
No  
ASUS LCD Monitor PB278Q Series  
3-3  
2.  
Color  
Select the image color you like from this function.  
PB278  
Splendid  
Color  
Brightness  
Contrast  
Saturation  
Hue  
100  
80  
50  
Image  
50  
Sound  
Color Temp.  
6500k  
Input Select  
System Setup  
Gamma  
22  
Advanced Setting  
Color Reset  
Menu  
Move  
Exit  
Brightness: The adjusting range is from 0 to 100. The  
button is also a hot key to activate this function.  
Contrast: The adjusting range is from 0 to 100.  
Saturation: The adjusting range is from 0 to 100.  
Hue: Shift the image color between green and purple.  
Color Temp.: Contain four color modes: 9300K, 6500K, 5500K,  
and 5000K.  
The DDC/CI tool installed at your PC will display “User 1” instead of the  
5500K” color temperature you selected for this monitor.  
Gamma: Set the color mode to 2.2 or 1.8.  
Advanced Setting:  
Adjust the gain levels for R, G, B.  
Adjust the black level offset values for R, G, B.  
Color Reset:  
Current mode color reset:  
Reset the color settings of current color mode to the factory  
default value.  
All modes color reset:  
Reset the color settings of all color modes to the factory  
default value.  
3-4  
Chapter 3: General Instruction  
3.  
Image  
You can adjust the image Sharpness, Trace Free, Aspect Control, ASCR,  
Position (VGA only), and Focus (VGA only) from this main function.  
PB278  
Splendid  
Color  
Sharpness  
Trace Free  
Aspect Control  
ASCR  
50  
60  
Image  
Sound  
Full  
OFF  
Position  
Input Select  
Focus  
System Setup  
AUTO Adjust.  
Move  
Menu  
Exit  
Sharpness: Adjust the picture sharpness. The adjusting range is  
from 0 to 100.  
Trace Free: Speed up the response time by Over Drive  
technology. The adjusting range is from lower 0 to faster 100.  
Aspect Control: Adjust the aspect ratio to “Full”, “4:3”, “1:1”, or  
Over Scan”. (The “4:3” ratio is only for 4:3 or 5:4 image source.  
The “Over Scan” ratio is only available for HDMI input.)  
ASCR: Turn on or off the ASCR (ASUS Smart Contrast Ratio)  
function. (Only available at Scenery Mode and Theater Mode.)  
Position: Adjust the horizontal position (H-Position) and the  
vertical position (V-Position) of the image. The adjusting range is  
from 0 to 100 (only available for VGA input).  
Focus: Reduce Horizontal-line noise and Vertical-line noise of the  
image by adjusting (Phase) and (Clock) separately. The adjusting  
range is from 0 to 100 (only available for VGA input).  
AUTO Adjust.: Automatically adjust the image to its optimized  
position, clock, and phase. (Only available for VGA input.)  
Phase adjusts the phase of the pixel clock signal. With a wrong phase  
adjustment, the screen shows horizontal disturbances.  
Clock (pixel frequency) controls the number of pixels scanned by one  
horizontal sweep. If the frequency is not correct, the screen shows  
vertical stripes and the image is not proportional.  
ASUS LCD Monitor PB278Q Series  
3-5  
4.  
Sound  
Adjust the sound settings to your preference.  
PB278  
Splendid  
Color  
Volume  
Mute  
50  
OFF  
Image  
Source  
Line In  
Sound  
Input Select  
System Setup  
Move  
Menu  
Exit  
Volume: Adjust the output volume level.  
Mute: Mute the output volume.  
Source: Adjust audio source to “Line In” or “HDMI” (only available  
for HDMI input);  
Adjust audio source to “Line In” or “DisplayPort” (only available for  
DisplayPort input).  
5.  
Input Select  
Select the input source from VGA, DVI, HDMI, or DisplayPort.  
PB278  
Splendid  
Color  
VGA  
DVI  
Image  
HDMI  
Sound  
DisplayPort  
Input Select  
System Setup  
Move  
Menu  
Exit  
3-6  
Chapter 3: General Instruction  
6.  
System Setup  
Adjusts the system configuration.  
PB278  
Splendid  
Color  
Splendid Demo Mode  
OSD Setup  
OFF  
Image  
Information  
Sound  
English  
ON  
Language  
Input Select  
System Setup  
Power Indicator  
All Reset  
Move  
Menu  
Exit  
Splendid Demo Mode: Split the screen into two for Splendid  
modes comparison. (Scenery mode/Theater mode only)  
OSD Setup: Adjust the horizontal position (H-Position), vertical  
position (V-Position), OSD Timeout, DDC/CI, and Transparency of  
the OSD screen.  
Information: Display the monitor information.  
Language: Select OSD language. The selections are English,  
French, German, Spanish, Italian, Dutch, Russian, Traditional  
Chinese, Simplified Chinese, Japanese, Persian, Thai,  
Indonesian, Poland, Turkey, Portugal, Czech, Croatia, Hungary,  
Romania, Korean.  
Power Indicator: Turn the power LED indicator on/off.  
All Reset: Set to “Yes” to revert all settings to the factory default  
mode.  
ASUS LCD Monitor PB278Q Series  
3-7  
3.2  
Specifications  
Model  
Panel Size  
PB278Q  
27.0”W (68.6 cm)  
1920x1080 (VGA); 2560 x 1440 (DVI, HDMI,  
DP)  
Max. Resolution  
Brightness (Typ.)  
300cd/m2  
Intrinsic Contrast Ratio (Typ.)  
Viewing Angle (CR=10)  
Display Colors  
1000:1  
178°(V) /178°(H)  
16.7 M(True 8bit)  
5ms (Gray to Gray)  
Response Time  
Satellite Speaker  
3W x 2 stereo  
Earphone Output  
Sound from HDMI  
HDMI input  
Yes  
Yes  
Yes  
DVI input  
DVI (dual link) with HDCP  
Yes  
D-Sub input  
DisplayPort input  
Audio Line-in  
Yes  
Yes  
Power ON Consumption  
Chassis Colors  
< 60W  
Black  
Tilt  
-5° ~ +20°  
Swivel(angle)  
+60°~-60°  
Pivot(angle/direction)  
Height Adjustment (mm)  
VESA Wall Mounting  
Phys. Dimension (WxHxD)  
Box Dimension (WxHxD)  
Net Weight (Esti.)  
Gross Weight (Esti.)  
Voltage Rating  
90°(clockwise)  
Yes(0~120mm)  
Yes (100mm x 100mm)  
643 x 552.3 x 218 mm  
755 x 224 x 470 mm  
8.8 kg  
12 kg  
AC 100~240V(Built-in)  
*Specifications are subject to change without notice.  
3-8  
Chapter 3: General Instruction  
3.3  
Troubleshooting (FAQ)  
Problem  
Power LED is not ON  
Possible Solution  
Press the button to check if the monitor is in  
the ON mode.  
Check if the power cord is properly connected  
to the monitor and the power outlet.  
The power LED lights amber Check if the monitor and the computer are in  
and there is no screen image  
the ON mode.  
Make sure the signal cable is properly  
connected the monitor and the computer.  
Inspect the signal cable and make sure none  
of the pins are bent.  
Connect the computer with another available  
monitor to check if the computer is properly  
working.  
Screen image is too light or  
dark  
Adjust the Contrast and Brightness settings  
via OSD.  
Screen image is not centered  
or sized properly  
Press the  
button for two seconds to  
automatically adjust the image.  
Adjust the H-Position or V-Position settings via  
OSD.  
Screen image bounces or a  
wave pattern is present in the  
image  
Make sure the signal cable is properly  
connected to the monitor and the computer.  
Move electrical devices that may cause  
electrical interference.  
Screen image has color  
defects (white does not look  
white)  
Inspect the signal cable and make sure that  
none of the pins are bent.  
Perform Reset via OSD.  
Adjust the R/G/B color settings or select the  
Color Temperature via OSD.  
Screen image is blurry or  
fuzzy  
Press the  
button for two seconds to  
automatically adjust the image (for VGA mode  
only).  
Adjust the Phase and Clock settings via OSD.  
No sound or sound is low  
Ensure that the audio cable is properly  
connected to the monitor and the computer.  
Adjust the volume settings of both your monitor  
and computer.  
Ensure that the computer sound card driver is  
properly installed and activated.  
HDMI cannot support WQHD  
While the PB278Q supports up to 2560 x 1440  
WQHD resolutions including DVI-dual link,  
HDMI and DisplayPort, some graphics cards  
only support up to 1920 x 1200 resolution  
content transmission via HDMI. Please check  
with your local distributor or retailer on the  
hardware limitations of your laptop or desktop.  
ASUS LCD Monitor PB278Q Series  
3-9  
3.4  
Supported Timing List  
PC Supported Primary Timing  
Resolution  
640x480  
640x480  
640x480  
640x480  
800x600  
800x600  
800x600  
800x600  
800x600  
1024x768  
1024x768  
1024x768  
1024x768  
1152x864  
1280x960  
1280x1024  
Refresh Rate  
Horizontal Frequency  
31.469kHz  
37.861kHz  
37.5kHz  
60Hz  
72Hz  
75Hz  
85Hz  
56Hz  
60Hz  
72Hz  
75Hz  
85Hz  
60Hz  
70Hz  
75Hz  
85Hz  
75Hz  
60Hz  
60Hz  
43.269kHz  
35.156kHz  
37.879kHz  
48.077kHz  
46.875kHz  
53.674kHz  
48.363kHz  
56.476kHz  
60.023kHz  
68.677kHz  
67.5kHz  
60kHz  
63.981kHz  
1280x1024  
1440x900  
1440x900  
1680x1050  
1920x1080  
75Hz  
60Hz  
75Hz  
60Hz  
60Hz  
79.976kHz  
55.935kHz  
70.635kHz  
65.29kHz  
67.5kHz  
IBM Modes, Factory Preset Timing(D-SUB, DVI-D, HDMI inputs)  
Resolution  
Refresh Rate  
Horizontal Frequency  
640x350  
640x350  
720x400  
720x400  
70Hz  
85Hz  
70Hz  
85Hz  
31.469kHz  
37.861kHz  
31.469kHz  
37.927kHz  
MAC Modes, Factory Preset Timing(D-SUB, DVI-D, HDMI inputs)  
Resolution  
640x480  
832x624  
Refresh Rate  
Horizontal Frequency  
35kHz  
49.725kHz  
67Hz  
75Hz  
VESA Modes, User Available Timing  
Resolution  
Refresh Rate  
Horizontal Frequency  
31.02  
848x480  
1280x720(RB)  
1280x720  
1280x720  
1280x768(RB)  
1280x800(RB)  
60Hz  
60Hz  
60Hz  
75Hz  
60Hz  
60Hz  
44.444kHz  
44.772kHz  
56.456kHz  
47.396kHz  
49.306kHz  
3-10  
Chapter 3: General Instruction  
1280x800  
1280x800  
1366x768  
60Hz  
75Hz  
60Hz  
60Hz  
75Hz  
60Hz  
60Hz  
49.702kHz  
62.795kHz  
47.712kHz  
55.469kHz  
70.635kHz  
64.674kHz  
66.587kHz  
1440x900(RB)  
1440x900  
1680x1050(RB)  
1920x1080  
WQHD Mode (DVI (dual link), HDMI and DP only)  
2560x1440  
60Hz  
88.787kHz  
* While the PB278Q supports up to 2560 x 1440 WQHD resolutions including DVI-dual link,  
HDMI and DisplayPort, some graphics cards only support up to 1920 x 1200 resolution content  
transmission via HDMI. Please check with your local distributor or retailer on the hardware  
limitations of your laptop or desktop.  
SD/HD Timings (HDMI input only)  
HDMI 1.3,CEA-861B Formats, SD/HD Supported Primary  
Timings of (HDMI input only)  
Resolution  
640x480P  
720x480P  
720x576P  
1280x720P  
Refresh Rate  
59.94 / 60Hz  
59.94 / 60Hz  
50Hz  
Horizontal Frequency  
31.469 / 31.5kHz  
31.469 / 31.5kHz  
31.25kHz  
50Hz  
37.5kHz  
1280x720P  
1920x1080i  
1920x1080i  
59.94 / 60Hz  
50Hz  
44.955 /45kHz  
28.125kHz  
59.94 / 60Hz  
33.716 / 33.75kHz  
HDMI 1.3,CEA-861B Formats, SD/HD Supported Optional  
Timings of (HDMI input only)  
Resolution  
Refresh Rate  
Horizontal Frequency  
1440x480P  
1440x576P  
1920x1080P  
1920x1080P  
59.94 / 60Hz  
50Hz  
31.469 / 31.5kHz  
31.25kHz  
50Hz  
56.25kHz  
59.94 / 60Hz  
67.433 / 67.5kHz  
* The modes not listed in the above tables may not be supported. For optimal resolution, we  
recommend that you choose a mode listed in the above tables.  
ASUS LCD Monitor PB278Q Series  
3-11  

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