MENU
VK248
LCD Monitor
User Guide
E6235
First Edition
Novermber 2011
Copyright © 2011 ASUSTeK COMPUTER INC. All Rights Reserved.
No part of this manual, including the products and software described in it, may be reproduced,
transmitted, transcribed, stored in a retrieval system, or translated into any language in any form or by any
means, except documentation kept by the purchaser for backup purposes, without the express written
permission of ASUSTeK COMPUTER INC. (“ASUS”).
Product warranty or service will not be extended if: (1) the product is repaired, modied or alered, unless
such repair, modication of alteration is authorized in writing byASUS; or (2) the serial number of the
product is defaced or missing.
ASUS PROVIDES THIS MANUAL “AS IS” WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESS
OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE IMPLIED WARRANTIES OR CONDITIONS OF
MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. IN NO EVENT SHALL ASUS, ITS
DIRECTORS, OFFICERS, EMPLOYEES OR AGENTS BE LIABLE FOR ANY INDIRECT, SPECIAL,
INCIDENTAL, OR CONSEQUENTIAL DAMAGES (INCLUDING DAMAGES FOR LOSS OF PROFITS,
LOSS OF BUSINESS, LOSS OF USE OR DATA, INTERRUPTION OF BUSINESS AND THE LIKE),
EVEN IF ASUS HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES ARISING FROM
ANY DEFECT OR ERROR IN THIS MANUAL OR PRODUCT.
SPECIFICATIONS AND INFORMATION CONTAINED IN THIS MANUAL ARE FURNISHED FOR
INFORMATIONAL USE ONLY, AND ARE SUBJECT TO CHANGE AT ANY TIME WITHOUT NOTICE,
AND SHOULD NOT BE CONSTRUED AS A COMMITMENT BY ASUS. ASUS ASSUMES NO
RESPONSIBILITY OR LIABILITY FOR ANY ERRORS OR INACCURACIES THAT MAY APPEAR IN
THIS MANUAL, INCLUDING THE PRODUCTS AND SOFTWARE DESCRIBED IN IT.
Products and corporate names appearing in this manual may or may not be registered trademarks or
copyrights of their respective companies, and are used only for identication or explanation nd to the
owners’ benet, without intent to infringe.
ii
Contents
Notices ......................................................................................................... iv
Safety information ....................................................................................... v
Care & Cleaning .......................................................................................... vi
Takeback Services ..................................................................................... vii
Chapter 1: Product introduction
1.1 Welcome! .................................................................................... 1-1
1.2 Package contents ......................................................................... 1-1
1.3 LifeFrame 2 software ................................................................... 1-1
Installation instructions ................................................................... 1-1
1.4 Monitor introduction .................................................................... 1-2
1.4.1 Front view ....................................................................... 1-2
1.4.2 Back view ........................................................................ 1-3
1.4.3 QuickFit Function ............................................................ 1-4
Chapter 2: Setup
2.1 Assembling the monitor arm/base ............................................. 2-1
2.2 Adjusting the monitor .................................................................. 2-1
2.3 Detaching the arm/base (for VESA wall mount) ........................ 2-2
2.4 Connecting the cables ................................................................. 2-3
2.5 Turning on the monitor ................................................................ 2-4
Chapter 3: General instructions
3.1 OSD (On-Screen Display) menu ................................................ 3-1
3.1.1 How to recongure .......................................................... 3-1
3.1.2 OSD function introduction ............................................... 3-1
3.2 Specicationssummary(VK248) ............................................... 3-4
3.3 Troubleshooting (FAQ) ................................................................ 3-5
3.4 Supported operating modes ....................................................... 3-6
iii
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.
The use of shielded cables for connection of the monitor to the graphics card is
required to assure compliance with FCC regulations. Changes or modications
to this unit not expressly approved by the party responsible for compliance
could void the user’s authority to operate this equipment.
As an Energy Star® Partner, our company has determined that
this product meets the Energy Star® guidelines for energy
efciency.
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.
This Class B digital apparatus meets all requirements of the Canadian
Interference - Causing Equipment Regulations.
Cet appareil numérique de la classe B respecte toutes les exigences du
Réglement sur le matériel brouiller du Canada.
iv
Safety information
• Before setting up the monitor, carefully read all the documentation that came
with the package.
• To prevent re 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 x it by yourself. Contact a qualied
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 re
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, use the monitor only with UL listed
computers which have appropriate congured receptacles marked between
100-240V AC.
• If you encounter technical problems with the monitor, contact a qualied
service technician or your retailer.
This symbol of the crossed out wheeled bin indicates that the product (electrical,
electronic equipment, and mercury-containing button cell battery) should not
be placed in municipal waste. Please check local regulations for disposal of
electronic products.
v
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 monitor. 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 icker during the initial use due to the nature of the uorescent
light. Turn off the Power Switch and turn it on again to make sure that the
icker disappears.
• You may nd 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 ashes, or cannot work anymore, contact
your dealer or service center to x 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.
vi
Wheretondmoreinformation
Refer to the following sources for additional information and for product and
software updates.
1. ASUS websites
The ASUS websites worldwide provide updated information on ASUS
hardware and software products. Refer to http://www.asus.com
2. 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.
Takeback Services
ASUS recycling and takeback programs come from our commitment to the highest
standards for protecting our environment. We believe in providing solutions for
our customers to be able to responsibly recycle our products, batteries and other
components as well as the packaging materials.
Please go to http://csr.asus.com/english/Takeback.htm for detail recycling
information in different region.
vii
viii
1.1 Welcome!
Thank you for purchasing the ASUS® 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 monitor brings to you!
1.2 Package contents
Check your package for the following items:
LCD monitor
Monitor base
Quick start guide
Warranty card
Power cord
VGA cable
DVI cable
USB cable
Audio cable
LifeFrame 2 CD
If any of the above items is damaged or missing, contact your retailer
immediately.
1.3 LifeFrame 2 software
ASUS VK248 provides the easy-to-use LifeFrame 2 software that can work with
the webcam, allowing users to create their own photos or video clips.
Installation instructions
LifeFrame 2 only supports Microsoft® Windows® 7/ Vista / XP Service •
Pack 2 (3) operating systems.
The LifeFrame 2 software is bundled in the support CD.•
1. Close all other applications.
2. Insert the support CD into the optical drive and run the LifeFrame 2 program.
3. Follow the on-screen instructions to complete the installation.
1-1ASUS VK248 LCD Monitor
1.4 Monitor introduction
1 2 643 5
MENU
HD Webcam
1.4.1 Front view
1. button:
Selects a desired preset mode.•
Exits the OSD menu or goes back to the previous menu when the OSD •
menu is active.
Automatically adjusts the image to its optimized position, clock, and phase •
by pressing this button for 2-4 seconds (for VGA mode only).
2.
Decreases values or moves your selection left/down. •
Activates the QuickFit function.(Please refer to 1.4.3 QuickFit Function).•
3. MENU button:
Turns on the OSD menu. Enacts the selected OSD menu item. •
4.
Increases values or moves your selection right/up. •
Brightness hotkey•
1-2 Chapter 1: Product introduction
5. button:
6 74
Press (Input Select button) to display HDMI signals after you connect
HDMI cable with the monitor.
Selects an available input source. •
6. Power button/power indicator
Turns the monitor on/off.•
The color definition of the power indicator is as the below table.•
Status Description
Blue ON
Amber Standby mode
OFF OFF
1.4.2 Back view
Rear connectors
1. AC-IN port. This port connects the power cord.
2. Audio-in port. This port connects PC audio source by the bundled audio
cable.
3. Earphone jack. This port is only available when an HDMI cable is
connected.
4. USB upstream port. This port is for connection with a USB upstream cable.
The cable enables the built-in webcam on the monitor.
5. HDMI port. This port is for connection with an HDMI compatible device.
6. DVI port. This 24-pin port is for PC (Personal Computer) DVI-D digital signal
connection.
7. VGA port. This 15-pin port is for PC VGA connection.
1-3ASUS VK248 LCD Monitor
1.4.3 QuickFit Function
The QuickFit function allows users have a preview of the document or photo layout
directly on screen without printing test copies.
To activate Quickt, press the Quickt hotkey, and then press the MENU key to
switch between different pattern sizes.
Alignment Grid Letter
Photo 4x6, 3x5, 2x2 Photo 8x10, 5x7
When QuickFit is activated, press the control buttons on the front panel to make
adjustments. The QuickFit QSD displayed in the lower right corner of the screen
will guide users to make selections.
The QuickFit OSD shown on the screen is not accessible by tapping on it.
1-4 Chapter 1: Product introduction
1-5ASUS VK248 LCD Monitor
1-6 Chapter 1: Product introduction
2.1 Assembling the monitor arm/base
-5。 to +20
。
To assemble the monitor base:
1. Have the front of the monitor face down on a table.
2. Attach the base with the arm until it clicks into place.
We recommend that you cover the table surface with soft cloth to prevent
damage to the monitor.
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.
The recommended adjusting angle is
+20˚ to -5˚
.
It is normal that the monitor slightly shakes while you adjust the viewing angle.
2-1ASUS VK248 LCD Monitor
2.3 Detaching the arm/base (for VESA wall mount)
The detachable arm/base of this monitor is specially designed for VESA wall
mount.
To detach the arm/base:
1. Have the front of the monitor face down on a table.
2. Remove the rubbers in the four screw holes. (Figure 1)
3. Use a screwdriver to remove the two screws on the arm (Figure 2), then slide
out the arm/base to detach it from the monitor (Figure 2).
Figure 1
Figure 2
We recommend that you cover the table surface with soft cloth to prevent
damage to the monitor.
2-2 Chapter 2: Setup
2.4 Connecting the cables
VGA
DVI
HDMI
Audio-in
USB 2.0
Earphone jack
1. Connect the cables as the following instructions:
To connect the audio cable: • connect one end of the audio cable to the
monitor’s Audio-in port, the other end to the computer’s audio-out port.
To connect the power cord• : connect one end of the power cord securely to
the monitor’s AC input, the other end to a power outlet.
To connect the VGA/DVI/HDMI cable• :
Plug one end of the VGA/DVI/HDMI cable to the monitor’s VGA/DVI/a.
HDMI port.
Connect the other end of the VGA/DVI/HDMI cable to your computer's b.
VGA/DVI/HDMI port.
Tighten the two screws to secure the VGA/DVI connector. c.
To use the webcam: • connect the upstream port of the monitor and the USB
port of your computer with the supplied USB cable.
To use the earphone (only when an HDMI cable is connected)• : connect the
end with plug type to the monitor’s earphone jack.
When these cables are connected, you can choose the desired signal from the
Input Select item in the OSD menu.
2-3ASUS VK248 LCD Monitor
2. Gather all the cables with the cable management slot.
cable management slot
2.5 Turning on the monitor
Press the power button . See page 1-2 for the location of the power button. The
power indicator
lights up in blue to show that the monitor is ON.
2-4 Chapter 2: Setup
2-5ASUS VK248 LCD Monitor
2-6 Chapter 2: Setup
3.1 OSD (On-Screen Display) menu
3.1.1 How to reconfigure
Press the MENU button to activate 1.
the OSD menu.
Press 2. , and to
navigate through the functions.
Highlight the desired function and
press the MENU button to activate
it. If the function selected has a sub-menu, press and again
to navigate through the sub-menu functions. Highlight the desired sub-menu
function and press the MENU button to activate it.
Press 3. , and to change the settings of the selected function.
To exit and save the OSD menu, press the 4. button repeatedly until the
OSD menu disappears. To adjust other functions, repeat steps 1-3.
3.1.2 OSD function introduction
Splendid1.
This function contains six subfunctions you can select for your
preference. Each mode has the
Reset selection allowing you to
maintain your setting or return to
the preset mode.
Scenery Mode• : best choice for scenery photo display with SPLENDID™
Video Enhancement.
Standard Mode• : best choice for document editing with SPLENDID™
Video Enhancement.
Theater Mode• : best choice for movies with SPLENDID™ Video
Enhancement.
Game Mode• : best choice for games playing with SPLENDID™ Video
Enhancement.
Night View Mode• : best choice for dark-scene games or movies with
SPLENDID™ Video Enhancement.
sRGB• : best choice for viewing photos and graphics from PCs.
In the Standard Mode, the ASCR, Saturation and Sharpness functions are
not user-configurable.
3-1ASUS VK248 LCD Monitor
2. Color
You can adjust Brightness, Contrast,
Saturation, Color Temp., and Skin
Tone from this menu.
Brightness• : the adjusting
range is from 0 to 100.
is a hotkey to activate this
function.
Contrast• : the adjusting range is from 0 to 100.
Saturation• : the adjusting range is from 0 to 100.
Color Temp.• : contains four modes including Cool, Normal, Warm, and
User Mode.
Skin Tone• : contains three color modes including Reddish, Natural, and
Yellowish.
Smart View• : provides better display quality under big viewing angle.
In the User mode, colors of R (Red), G (Green), and B (Blue) are user-
configurable; the adjusting range is from 0-100.
3. Image
You can adjust Sharpness, Trace
Free, Aspect Control, ASCR,
Position (VGA only), and Focus
(VGA only) from this menu.
Sharpness• : the adjusting
range is from 0 to 100.
Trace Free• : adjusts the
response time of the monitor.
Aspect Control• : adjusts the aspect ratio to “Full”, “4:3”, or “OverScan”
(only available for the HDMI input).
ASCR• : turns on/off the ASCR (ASUS Smart Contrast Ratio) function.
Position• : adjusts the horizontal position (H-Position) and the vertical
position (V-Position) of the image. The adjusting range is from 0 to 100.
Focus• : reduces Horizonal-line noise and Vertical-line noise of the image
by adjusting (Phase) and (Clock) separately. The adjusting range is from
0 to 100.
3-2
• 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.
Chapter 3: General Instructions
4. Input Select
In this function, you can select your
desired input source.
5. System Setup
Allows you to adjust the system.
Splendid Demo Mode• :
splits the screen into two for
Splendid modes comparison.
Volume• : the adjusting range is from 0 to 100.
ECO Mode• : reduces power consumption.
OSD Setup• :
Adjusts the horizontal position (H-Position)/the vertical position *
(V-Position) of the OSD from 0 to 100.
Adjusts the OSD timeout from 10 to 120 seconds. *
Enables or disables the DDC/CI function.*
Adjusts the OSD background from opaque to transparent.*
Information• : shows the monitor information.
Language• : there are 10 languages for your selection, including English,
German, Italian, French, Dutch, Spanish, Russian, Traditional Chinese,
Simplified Chinese, and Japanese.
All Reset• : “Yes” allows you to restore the default settings.
3-3ASUS VK248 LCD Monitor
3.2 Specicationssummary(VK248)
Panel Type TFT LCD
Panel size 24" (16:9, 61 cm) wide screen
Max. Resolution 1920 x 1080
Pixel pitch 0.2765 mm
Brightness (Typ.) 250 cd/m
Contrast Ratio (Typ.) 1000:1
Contrast Ratio (Max.) 50,000,000:1 (with ASCR on)
Viewing angle(H/V) CR>10 170˚/160˚
Display colors 16.7 M
Response time 2 ms (Gray to Gray)
SPLENDID™ Video
Enhancement
SPLENDID™ selection 6 video preset modes (by hotkey)
Auto adjustment Yes (by hotkey)
Color temperature selection 4 color temperatures
Skin-Tone selection 3 skin-tones
Digital input DVI-D with HDCP, HDMI v1.3
Analog input D-Sub
Audio-in port 3.5 mm Mini-jack
Earphone jack Yes (only for HDMI)
Colors Black
Speaker (Built-in) 2 W x 2 Stereo, RMS
Power LED Blue (On)/Amber (Standby)
Tilt +20˚~ -5˚
VESA wall mount 100 x 100 mm
Kensingtonlock Yes
Voltage rating AC: 100~240V
Power consumption Power On: < 42 W, Standby: < 0.5 W,
Temperature (Operating) 0˚C~40˚C
Temperature
(Non-operating)
Dimensions (W x H x D) 569.4 mm x 408.2 mm x 201 mm (machine)
Weight (Esti.) 5.0 kg (Net); 7.4 kg (Gross)
Multi-languages 10 languages (English, German, Italian, French, Dutch,
Accessories VGA cable, DVI cable, USB cable, audio cable, power
Regulation approvals Energy Star®, CB, CE, Gost-R, CCC, UL/cUL, FCC,
*Specicationsaresubjecttochangewithoutnotice.
2
Yes
Power Off: < 0.5 W
-20˚C~+60˚C
641 mm x 473 mm x 161 mm (package)
Spanish, Russian, Traditional Chinese, Simplied
Chinese, Japanese)
cord, Quick start guide, warranty card, LifeFrame 2 CD
C-Tick, BSMI, VCCI, RoHS, WEEE, J-MOSS, PSB, ErP,
Windows 7 WHQL
3-4
Chapter 3: General Instructions
3.3 Troubleshooting (FAQ)
Problem Possible Solution
Power LED is not ON
The power LED lights amber and there is
no screen image
Screen image is too light or dark Adjust the Contrast and Brightness •
Screen image is not centered or sized
properly
Screen image bounces or a wave pattern is
present in the image
Screen image has color defects (white does
not look white)
Screen image is blurry or fuzzy
No sound or sound is low Ensure that the HDMI cable is properly •
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.
Check if the monitor and the computer are •
in 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.
settings via OSD.
Press the • button for 2-4 seconds
to automatically adjust the image (for VGA
mode only).
Adjust the H-Position or V-Position •
settings via OSD.
Make sure the signal cable is properly •
connected to the monitor and the
computer.
Move electrical devices that may cause •
electrical interference.
Inspect the signal cable and make sure •
that none of the pins are bent.
Perform All Reset via OSD.•
Adjust the R/G/B color settings or select •
the Color Temperature via OSD.
Press the • button for 2-4 seconds
to automatically adjust the image (for VGA
mode only).
Adjust the Phase and Clock settings via •
OSD.
connected to the monitor and the
computer.
Adjust the volume settings of both your •
monitor and HDMI device.
Ensure that the computer sound card •
driver is properly installed and activated.
3-5ASUS VK248 LCD Monitor
3.4 Supported operating modes
Resolution
Frequency
640x480
640x480 35.0
640x480
Horizontal
Frequency(KHz)
Vertical Frequency
(Hz)
31.5 60 25.18
67
37.9 72
Pixel (MHz)
640x480 37.5 75 31.50
720x400 31.5 70 28.32
800x600 35.16 56 36.00
800x600 37.9 60 40.00
800x600 48.1 72 66.75
800x600 46.9 75 49.50
832x624 49.7 75 57.28
1024x768 48.4 60 65.00
1024x768 56.5 70 75.00
1024x768 60.0 75 78.50
1152x864 67.5 75 108.00
1280x720 45 60 75.25
1280x768 47.78 60 79.50
1280x800 49.7 60 83.50
1280x960 60.0 60 108.00
1280x1024 63.4 60 108.00
1280x1024 79.97 75 135.00
1360x768 47.71 60 85.50
1366x768 47.71 60 85.50
1440x900 55.94 60 106.50
1600x1200 75.0 60 162.00
1680x1050 65.3 60 146.25
1920x1080
(Primary)
67.5 60 148.50
30.24
31.50
* Modes not listed in the table may not be supported. For optimal resolution, we recommend that
you choose a mode listed in the table above.
*ThismonitorsupportsfullHD(480p,576p,720p,1080i/p)videocontentfromgameconsoles,DVD
players and other consumer video devices via HDMI.
3-6
Chapter 3: General Instructions
3-7ASUS VK248 LCD Monitor
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