Table of Contents
- Notices
- Safety information
- Care and cleaning
ASUS CP220 User Manual
Displayed below is the user manual for CP220 by ASUS which is a product in the Computer Monitors category. This manual has pages.
Related Manuals
CP220 / CP240 Series
Zero client display
User Guide
ii
Table of contents
Notices ......................................................................................................... iv
Safety information ....................................................................................... v
Care and cleaning ....................................................................................... vi
1.1 Welcome ....................................................................................... 1-1
1.2 Package contents ......................................................................... 1-1
1.3 Assembling the base of the display ........................................... 1-2
1.4 Display introduction .................................................................... 1-3
1.4.1 Front of the display ......................................................... 1-3
1.4.2 Rear of the display .......................................................... 1-4
1.4.3 Get start with client system ............................................. 1-5
1.4.4 Client Indicator Behavior ................................................. 1-5
2.1 Detaching the arm/stand (for wall mounting) ............................ 2-1
2.2 Adjusting the display ................................................................... 2-2
3.1 OSD (On-Screen Display) menu ................................................. 3-1
3.1.1 Howtorecongure .......................................................... 3-1
3.1.2 OSDFunctionIntroduction .............................................. 3-1
3.2 Client setting ................................................................................ 3-5
3.3 Specications ............................................................................. 3-11
3.4 Trouble shooting (FAQ) ............................................................. 3-12
3.5 Supported Timing List ............................................................... 3-13
iii
Copyright © 2013 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 altered, unless
such repair, modication of alteration is authorized in writing by ASUS; 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 and to the
owners’ benet, without intent to infringe.
iv
Notices
Federal Communications Commission Statement
ThisdevicecomplieswithPart15oftheFCCRules.Operationissubject
tothefollowingtwoconditions:
• Thisdevicemaynotcauseharmfulinterference,and
• Thisdevicemustacceptanyinterferencereceivedincluding
interferencethatmaycauseundesiredoperation.
Thisequipmenthasbeentestedandfoundtocomplywiththelimitsfora
ClassBdigitaldevice,pursuanttoPart15oftheFCCRules.Theselimits
aredesignedtoprovidereasonableprotectionagainstharmfulinterference
inaresidentialinstallation.Thisequipmentgenerates,usesandcan
radiateradiofrequencyenergyand,ifnotinstalledandusedinaccordance
withmanufacturer’sinstructions,maycauseharmfulinterferencetoradio
communications.However,thereisnoguaranteethatinterferencewill
notoccurinaparticularinstallation.Ifthisequipmentdoescauseharmful
interferencetoradioortelevisionreception,whichcanbedeterminedby
turningtheequipmentoffandon,theuserisencouragedtotrytocorrect
theinterferencebyoneormoreofthefollowingmeasures:
• Reorientorrelocatethereceivingantenna.
• Increasetheseparationbetweentheequipmentandreceiver.
• Connecttheequipmenttoanoutletonacircuitdifferentfromthatto
which the receiver is connected.
• Consultthedealeroranexperiencedradio/TVtechnicianforhelp.
AsanEnergyStar® Partner,ourcompanyhasdetermined
thatthisproductmeetstheEnergyStar® guidelinesfor
energyefciency.
Canadian Department of Communications Statement
ThisdigitalapparatusdoesnotexceedtheClassBlimitsforradio
noiseemissionsfromdigitalapparatussetoutintheRadioInterference
RegulationsoftheCanadianDepartmentofCommunications.
ThisclassBdigitalapparatuscomplieswithCanadianICES-003.
Warning:ThisclientcomplieswiththeEMCdirectiveonlywhenyouusea
shieldedEthernetcable.
v
Safety information
Use only the AC/DC adapter model: EXA1203YH
• Beforesettingupthedisplay,carefullyreadallthedocumentationthat
camewiththepackage.
• Topreventfireorshockhazard,neverexposethedisplaytorainor
moisture.
• Nevertrytoopenthedisplaycabinet.Thedangeroushighvoltages
insidethedisplaymayresultinseriousphysicalinjury.
• Ifthepowersupplyisbroken,donottrytofixitbyyourself.Contacta
qualifiedservicetechnicianoryourretailer.
• Beforeusingtheproduct,makesureallcablesarecorrectlyconnected
andthepowercablesarenotdamaged.Ifyoudetectanydamage,
contactyourdealerimmediately.
• Slotsandopeningsonthebackortopofthecabinetareprovidedfor
ventilation.Donotblocktheseslots.Neverplacethisproductnearor
overaradiatororheatsourceunlessproperventilationisprovided.
• Thedisplayshouldbeoperatedonlyfromthetypeofpowersource
indicatedonthelabel.Ifyouarenotsureofthetypeofpowersupplyto
yourhome,consultyourdealerorlocalpowercompany.
• Usetheappropriatepowerplugwhichcomplieswithyourlocalpower
standard.
• Donotoverloadpowerstripsandextensioncords.Overloadingcan
resultinfireorelectricshock.
• Avoiddust,humidity,andtemperatureextremes.Donotplacethe
displayinanyareawhereitmaybecomewet.Placethedisplayona
stablesurface.
• Unplugtheunitduringalightningstormorifitwillnotbeusedfora
longperiodoftime.Thiswillprotectthedisplayfromdamagedueto
powersurges.
• Neverpushobjectsorspillliquidofanykindintotheslotsonthe
displaycabinet.
• Toensuresatisfactoryoperation,usethedisplayonlywithULlisted
computerswhichhaveappropriateconfiguredreceptaclesmarked
between100-240VAC.
• Thesocket-outletshallbeinstalledneartheequipmentandshallbe
easilyaccessible.
• Ifyouencountertechnicalproblemswiththedisplay,contactaqualified
servicetechnicianoryourretailer.
vi
Care and cleaning
• Beforeyouliftorrepositionyourdisplay,itisbettertodisconnectthe
cablesandpowercord.Followthecorrectliftingtechniqueswhen
positioningthedisplay.Whenliftingorcarryingthedisplay,graspthe
edgesofthedisplay.Donotliftthedisplaybythestandorthecord.
• Cleaning.Turnyourdisplayoffandunplugthepowercord.Cleanthe
displaysurfacewithalint-free,non-abrasivecloth.Stubbornstains
mayberemovedwithaclothdampenedwithmildcleaner.
• Avoidusingacleanercontainingalcoholoracetone.Useacleaner
intendedforusewiththescreen.Neverspraycleanerdirectlyonthe
screen,asitmaydripinsidethedisplayandcauseanelectricshock.
The following symptoms are normal with the display:
• Thescreenmayflickerduringtheinitialuseduetothenatureofthe
fluorescentlight.Turnoffthepowerswitchandturnitonagaintomake
surethattheflickerdisappears.
• Youmayfindslightlyunevenbrightnessonthescreendependingon
thedesktoppatternyouuse.
• Whenthesameimageisdisplayedforhours,anafterimageofthe
previousscreenmayremainafterswitchingtheimage.Thescreenwill
recoverslowlyoryoucanturnoffthepowerswitchforhours.
• Whenthescreenbecomesblackorflashes,orcannotworkanymore,
contactyourdealerorservicecentertofixit.Donottrytorepairthe
displaybyyourself!
Conventions used in this guide
WARNING:Informationtopreventinjurytoyourselfwhentryingto
complete a task.
CAUTION:Informationtopreventdamagetothecomponents
whentryingtocompleteatask.
IMPORTANT:InformationthatyouMUSTfollowtocompletea
task.
NOTE:Tipsandadditionalinformationtoaidincompletingatask.
vii
Wheretondmoreinformation
Refertothefollowingsourcesforadditionalinformationandforproduct
andsoftwareupdates.
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.
1-1 Chapter 1: Product Introduction
1.1 Welcome
ThankyouforpurchasingtheASUS®display.
ThelatestdisplayfromASUSprovidesacrisper,broader,andbrighter
screen,plusahostoffeaturesthatenhanceyourviewingexperience.
Withthesefeatures,youcanenjoytheconvenienceanddelightfulvisual
experiencethatthedisplaybringsyou!
1.2 Package contents
Checkyourpackageforthefollowingitems:
Display set
Displaybaseandscrew
Quickstartguide
Warranty card
Power cord
Adapter
DVICable
VGACable
• Ifanyoftheaboveitemsisdamagedormissing,contactyourretailer
immediately..
1-2
ASUS LCD Monitor CP220/CP240 Series
1.3 Assembling the base of the display
1. Attach the base to the arm and x with the screw to join them tightly.
You can easily tighten the screw by ngers.
2. Adjust the monitor to the angle that is most comfortable for you.
2
1
• Werecommendthatyoucoverthetablesurfacewithsoftclothtopreventfrom
damagingthedisplay.
1-3 Chapter 1: Product Introduction
1.4 Display introduction
1.4.1 Front of the display
LED1 LED2
1. Client LED Indicator:
• The color of client LED Indicator is as below.
2. Power Indicator:
• The color of power indicator is as below.
Status description
LED1 White client power on
LED1 Amber Power Off and Wake
On Lan/ Wake On USB
LED2 White link to virtual desktop
1-4
ASUS LCD Monitor CP220/CP240 Series
1.4.2 Rear of the display
23 4
1
9
11
USB
5 7 8
12 6
10
1. RJ45
2. DVI connector
3. VGA connector
4. Microphone input
5. audio-in jack
6. earphone-out
7. USB connector
8. Power-in jack
9. Screw holes of mounting interface
10. USB connector
11. Kensington lock
12. Control keypad
1-5 Chapter 1: Product Introduction
1.4.3 Get start with client system
Item Key Description
Power Press this button to turn on/off the monitor
Input select Press to select different input source
Brightness & Up brightness/press to increase the numerical value of
selected function
MENU
Menu Press to enter OSD menu
Volume & down volume/press to decrease the numerical value of
selected function
A
Auto adjust &
return Auto Adjust/Return to previous selection
Link(LED) Link to server
Client(LED)
LED in white while client is on
LED in amber while client is off/wake-on-LAN or
wake-on-USB is enabled
key Source Function Description
*Auto
Adjust &
Return
VGA
Auto Adjustment in VGA source(>2 seconds)
Splendid mode switch in VGA source for short press.
(<2 seconds)
Client
Instant connection Press shortly under login UI(<2
seconds)
Exit OSD, press shortly
to select disconnection,
turn off workstation or
cancel
Press shortly under host
session(<2 seconds)
Disconnect and return
to log in UI
Press shortly under server
session(<2 seconds)
1.4.4 Client Indicator Behavior
Status POWER LINK Client
Power On White Off White
Power Off Off Off Off
Power On and Link to
Virtual Desktop White White White
Power Off and Wake
On Lan Amber Off Amber
Power Off and Wake
On USB Amber Off Amber
Power On to Power Off
and Wake On USB
White (Blink
12s then off)/
Amber(always on)
White(on
for 12s
then off)
White (Blink 12s then off)
/ Amber (always on)
2-1
ASUS LCD Monitor CP220/CP240 Series
2.1 Detaching the arm/stand (for wall mounting)
Todetachthearm/stand.
1. Disconnect power and signal cables. Carefully put the front of the
monitor face down on a clean table.
2. Use your ngers gently pull away the plate that covers the stand
neck. Use a screwdriver to remove the four screws that secure the
stand to the monitor.
3. Detach the stand from the monitor.
• Werecommendthatyoucoverthetablesurfacewithsoftclothtopreventfrom
damagingthedisplay.
• Holdthestandwhileremovingthescrews.
3
2
1
• The(100x100mm)wallmountkitisnotincludedintheproductpurchased.
• UseonlytheULlistedwallmountbracketwithminimumweight/load14kg
(Screwsize:M4x10mm).
2-2 Chapter 2: Setup
2.2 Adjusting the display
• Foroptimalviewing,werecommendthatyoulookatthefullfaceof
thedisplay,andthenadjustthedisplaytotheanglethatisthemost
comfortabletoyou.
• Holdthestandtopreventthedisplayfromfallingwhilechangingits
angle.
• Youmayadjustthedisplay’sanglefrom-5˚to23˚.
-5 ~ 23
3-1
ASUS LCD Monitor CP220/CP240 Series
3.1 OSD (On-Screen Display) menu
3.1.1 Howtorecongure
CP220
Splendid
Color
Picture
Input Select
Move Exit
Menu
Scenery Mode
Standard Mode
Theater Mode
Game Mode
sRGB
Night View Mode
OK
1. Press the MENU button to activate the OSD menu.
2. Press
and
button to navigate through the functions. Press
the OK button to highlight and activate the desired function. If the
selected function has a sub-menu, press
and
button again to
navigate through the sub-menu. Press the OK button to highlight and
activate the desired sub-menu function.
3. Press
and
button to change the settings of the selected function.
4. To exit from the OSD menu, press the MENU button. Repeat step 2
and step 3 to adjust any other function.
3.1.2 OSD Function Introduction
1. Splendid
This function contains six 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.
CP220
Splendid
Color
Picture
Input Select
Move Exit
Menu
Scenery Mode
Standard Mode
Theater Mode
Game Mode
sRGB
Night View Mode
OK
• Scenery Mode:This is the best choice for scenery photo displaying with
SPLENDID™ Video Intelligence.
• Standard Mode: This is the best choice for document editing with
SPLENDID™ Video Intelligence.
3-2 Chapter 3: General Instruction
• Theater Mode:
Thisisthebestchoiceformoviewatchingwith
SPLENDID™VideoIntelligence.
• Game Mode: This is the best choice for game playing with SPLENDID™
Video Intelligence.
• Night View Mode: This is the best choice for playing dark-scene game or
watching movie with SPLENDID™ Video Intelligence.
• sRGB: This is the best choice for viewing photos and graphics from PCs.
• IntheUserModeoftheColorTemp.,theusermayconfigurethevalueofthe
primecolorR(red),G(green),andB(blue)rangingfrom0to100.
2. Color
Select the image color you like from this function.
CP220
Splendid
Picture
Input Select
Move Exit
Menu
ASCR OFF
Gamma
OK
Color
Brightness
Contrast
Saturation
Color Temp.
100
80
User Mode
50
18
• Brightness: The adjusting range is from 0 to 100. The
buttonis
alsoahotkeytoactivatethisfunction.
• Contrast:The adjusting range is from 0 to 100.
• ASCR: To adjust the horizontal (H-Position) and the vertical position
(V-Position) of the image from the VGA input. The adjustable range is
from 0 to 100.
• Saturation: The adjusting range is from 0 to 100.
• Color Temp.: There are three preset white balance modes (D50, D65,
and 9300K) and one User mode.
• Gamma:To alter the grayscale gamma between 18/2.2/2.5.
• Phaseadjuststhephaseofthepixelclocksignal.Withawrongphase
adjustment,thescreenshowshorizontaldisturbances.
• Clock(pixelfrequency)controlsthenumberofpixelsscannedbyone
horizontalsweep.Ifthefrequencyisnotcorrect,thescreenshowsvertical
stripesandtheimageisnotproportional.
3-3
ASUS LCD Monitor CP220/CP240 Series
3. Picture
You may adjust the Aspect Control, Over Scan, Position (VGA only),
and Focus (VGA only) in this menu item.
CP220:
CP220
Color
Input Select
Move OK Exit
Menu
Position
Focus
Aspect Control Full
Picture
Splendid Sharpness 50
CP240:
CP240
Color
Input Select
Move OK Exit
Menu
Position
Focus
Aspect Control Full
Picture
Splendid
Sharpness 40
Trace Free 60
• Sharpness:Adjustthepicturesharpness.Theadjustingrangeis
from0to100.
• Tracefree:speeduptheresponsetimebyOverDrivetechnology.
Theadjustingrangeisfromlower0tofaster100.(OnlyforCP240)
• AspectControl:Adjusttheaspectratioto“Full”,“4:3”.
• Position:Adjustthehorizontalposition(H-Position)andthe
verticalposition(V-Position)oftheimage.Theadjustingrangeis
from0to100(onlyavailableforVGAinput).
• Focus:ReduceHorizontal-linenoiseandVertical-linenoiseofthe
imagebyadjusting(Phase)and(Clock)separately.Theadjusting
rangeisfrom0to100(onlyavailableforVGAinput).
3-4 Chapter 3: General Instruction
4. Input Select
5. Select the input source from VGA, client source input signal.
CP220
Splendid
Picture
Input Select
Move Exit
Menu
OK
Color
Client
Input Select
VGA
5. Menu
Adjusts the system conguration.
Menu
CP220
Color
Input Select
Move OK Exit
Information
Language English
OSD Setup
Picture
All Reset
Splendid
• OSD Setup:To adjust the OSD Timeout, DDC/CI, Transparency, and
Power indicator.
• Information: To show the information of the display.
• Language: To 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, and Korean.
• All Reset: Selecting “Yes” to revert all settings back to the factory default
values.
3-5
ASUS LCD Monitor CP220/CP240 Series
3.2 Client setting
1. Turn on power and press to select [Client] as your input source.
MENU:Exit
Client
2. Login Client widget, click “[Options]“ on top left corner.
Options
3. Select “[Options]” --> “[Conguration]”.
Options
Configuration
Diagnostics
Information
User Settings
3-6 Chapter 3: General Instruction
4. Enter “[Conguration]” --> [Network],and select “Enable DHCP”.
Configuration
Change the network settings for the device
Enable DHCP:
192 . 168 . 100 . 51
255 . 255 . 255 . 0
192 . 168 . 100 . 1
192 . 168 . 100 . 2
0 . 0 . 0 . 0
Auto
IP Address:
Subnet Mask:
Gateway:
Primary DNS Server:
Secondary DNS Server:
Domain Name:
FQDN:
Ethernet Mode:
Enable 802.1X Security:
Identity:
Client Certificate:
Network IPv6 SCEP Label Discovery Session Language Power Display Access Audio Reset
OK Cancel Apply
5. Select [Session] sheet and enter “DNS Name or IP Address”, then click
“Apply” to execute.
Configuration
Configure the connection to a peer device
Connection Type:
DNS Name or IP Address:
View Connection Server
192.168.100.252
vmware Horizon View
TM
Client
Network IPv6 SCEP Label Discovery Session Language Power Display Access Audio Reset
OK Cancel
Advanced
Apply
3-7
ASUS LCD Monitor CP220/CP240 Series
6. Select [Language] sheet ,and choice requisite language, then click
“Apply” to execute.
Configuration
Select language for the user interface
Language:
Keyboard Layout:
English
US
Network IPv6 SCEP Label Discovery Session Language Power Display Access Audio Reset
OK Cancel Apply
7. Select [OK] to nish [Conguration].
8. Return to main manual, select [Options] on top left corner and go to
[User settings].
Options
Configuration
Diagnostics
Information
User Settings
3-8 Chapter 3: General Instruction
9. Select [Certicate] sheet, choice item and setting, then click [OK].
User Settings
Certificate Checking Mode:
Never connect to untrusted servers
Warn before connecting to untrusted servers
Do not verify server identity certificates
vmware Horizon View
TM
Client
Certificate Mouse Keyboard Image Display Topology Touch Screen
OK Cancel Apply
This mode determines how the client proceeds when it cannot verify that
your connection to the server is secure. It is not recommended that you
change this setting unless instructed to do so by your system administrator.
10. Link to server IP and enter connection interface, Click [Connect].
Enter the address of the View
Connection Server.
Server: 192.168.100.252
Connect
3-9
ASUS LCD Monitor CP220/CP240 Series
11. Enter “User name” and “password”, then click [Login].
Enter your user name and password
https://192.168.100.252
Server:
User name:
Password:
192.168.100.252
Cancel
Login
12. Click [Connect].
Log on to desktop
win7
CancelReser VM
Connect
13. Enter client interface.
3-10 Chapter 3: General Instruction
14. Select desktop “Start”, choice “Logout” to exit client.
3-11
ASUS LCD Monitor CP220/CP240 Series
3.3 Specications
Model CP220 CP240
Panel Size 21.5” (54.61 cm) 23.8” (60.47 cm)
Max. Resolution 1920 x 1080 1920 x 1080
Brightness (Typ.) 250cd/m
2
250cd/m
2
Intrisinc Contrast Ratio (Typ.) 1000:1 1000:1
Viewing Angle (CR≧0) 160°(V); 170°(H) 178°(V); 178°(H)
Display Colors 16.7 M 16.7 M
Response Time (Typ.) 5ms 5ms (G to G)
D-Sub input Yes Yes
Power ON Consumption ON Mode: <50 W* ON Mode: <50 W*
Note *Based on Energy Star 6.0
standard
*Based on Energy Star 6.0
standard
Speaker Yes Yes
Mic phone Yes Yes
Earphone Yes Yes
Power saving mode < 6 W < 6 W
Power off mode < 0.5 W < 0.5 W
Tilt -5° to +23° -5° to +23°
Mounting Interface 100mm x 100mm 100mm x 100mm
Phys. Dimension (WxHxD) 523.2 x 497.0 x 224.8 mm 567.60 x 517.15 x 244.81
mm
Box Dimension (WxHxD) 654 x 397 x 176 mm 685 x 421 x 179 mm
Net Weight (Esti.) 5.3 kg 6.0 kg
Gross Weight (Esti.) 7.6 kg 8.5 kg
Voltage Rating AC 100~240V(External) AC 100~240V(External)
Processor SCALER TERA2321 FCBGA-396
ROM FLASH MX25L25635FMI-10G 256MB SOP-16
RAM DRAM H5TQ2G63D(F)FR-H9C/MT41J128M16JT-107G-K
2Gb x 2
Client solution Vmware
3-12 Chapter 3: General Instruction
3.4 Trouble shooting (FAQ)
Problem Possible Solution
Power LED is not ON
• 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 and
there is no screen image
• 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.
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
A
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
A
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
• Make sure the audio cable is properly connected
to the display
• Adjust the volume settings of both your display and
computer.
• Make sure the computer sound card driver is
properly installed and activated.
3-13
ASUS LCD Monitor CP220/CP240 Series
3.5 Supported Timing List
VESA / IBM Modes Support timing (D-SUB inputs)
Resolution Refresh Rate Horizontal Frequency
640 x 350 70Hz 31.469KHz
640 x 480 60Hz 31.469KHz
640 x 480 67Hz 35KHz
640 x 480 75Hz 37.5KHz
720 x 400 70Hz 31.469KHz
800 x 600 56Hz 35.156KHz
800 x 600 60Hz 37.879KHz
800 x 600 72Hz 48.077KHz
800 x 600 75Hz 46.875KHz
848 x 480 60Hz 31.02KHz
1024 x 768 60Hz 48.363KHz
1024 x 768 70Hz 56.476KHz
1024 x 768 75Hz 60.023KHz
1152 x 864 75Hz 67.5KHz
1280 x 720 60Hz 44.772KHz
1280 x 800 60Hz 49.702KHz
1280 x 960 60Hz 60KHz
1280 x 1024 60Hz 63.981KHz
1280 x 1024 75Hz 79.976KHz
1366 x 768 60Hz 47.712KHz
1440 x 900 60Hz 55.935KHz
1680 x 1050 60Hz 65.29KHz
1680 x 1050 60Hz 64.674KHz
1920 x 1080 60Hz 67.5KHz
1920 x 1080 60Hz 66.587KHz
* The modes not listed in the above tables may not be supported. For an optimal resolution, we
recommend that you choose a mode listed in the above table.