HP LD4700, LD4200 manual Using the Worldwide Web Preparing to Call Technical Support

Page 43

Problem	Possible Cause	Solution

No sound.	Audio cable not connected.	Check that the audio cable is properly
		connected. Adjust the volume. Check if
		the sound is set properly.

Sound is too dull.	Equalizer is not balanced.	Select the appropriate sound equalize.

Sound is too low.	Sound needs adjusting.	Adjust the volume by pressing the
		volume buttons on the remote control.

Screen has poor color resolution (16	Color is not set correctly.	Set the number of colors to more than
colors).		24 bits (true color). Select Control Panel
		> Display > Settings > Color table menu
		in the operating system.

Screen color is unstable or	Signal cable or video card connection is	Check the connection status of the
monocolored.	loose.	signal cable or reinsert the PC video
		card.

Black spots appear on the screen.	Characteristics of the LCD panel.	Several pixels (red, green, white or
		black color) may appear on the screen,
		which can be attributable to the unique
		characteristics of the LCD panel. It is
		not a malfunction of the LCD.

The power suddenly turned off.

Sleep timer setting turned on or power interrupted.

Check that the sleep timer is set.

Check the power control settings.

If power is turned off after the message, “CAUTION! FAN ERROR!” appears, the fan is out of order. Contact your local service center.

Using the Worldwide Web

For the online access to technical support information, self-solve tools, online assistance, community forums of IT experts, broad mutlivendor knowledge base, monitoring and diagnostic tools, go to http://www.hp.com/support

Preparing to Call Technical Support

If you can not solve a problem using the troubleshooting tips in this section, you may need to call technical support. Contact your regional HP authorized service provider. Have the following information available when you call:

●Monitor model number

●Serial number for the monitor

●Purchase date on invoice

●Conditions under which the problem occurred

●Error messages received

●Hardware configuration

●Hardware and software you are using

ENWW	Using the Worldwide Web 35

Image 43

Contents HP LD4200 and LD4700 LCD Monitors Fourth Edition May Document Part Number About This Guide Iv About This Guide Table of contents Clock On/Off Timer Sleep Time Auto Sleep Vii Appendix D Agency Regulatory Notices HP Digital Signage Models Product FeaturesImportant Safety Information Safety and Maintenance GuidelinesMaintenance Guidelines Shipping the Monitor Cleaning the MonitorInstalling the Stand Sold Separately Setting Up the Monitor3Sliding the LD4200 Stand Onto the LD4200 Monitor 6Securing the LD4700 Stand to the LD4700 Monitor Connecting the Speakers Sold Separately8Securing the Speakers to the Monitor 9Using the Cable Holders Feature Available on Select Models Rotating to the Portrait Position Select Models 12Installing PortraitInserting the Batteries Using the Remote ControlComponent Function Identifying Remote Control ButtonsIdentifying Rear Components Connecting to the Computer Connecting to External DevicesEnww Vesa Mounting Support Connecting Daisy Chain Monitors22VESA Mounting Holes Connecting Video InputConnecting Component Input 480p/720p/1080p/1080i/480i Connecting Hdmi Input 480p/720p/1080i/1080p Watching AV Outputs 26Connecting AV OutImage Color Matching File Operating the MonitorSoftware and Utilities Information FileDownloading from the Worldwide Web Installing the .INF and .ICM FilesScreen Adjustment Options Installing from the CDComponent2 HDTV, DVD Component1 HDTV, DVDUsing the Auto-Adjustment Function Using the On-Screen Display MenuIcon Main Menu Function Description Using the Remote Control to Adjust the OSD OSD Menu Selections Icon Main Menu Submenu Description Auto Volume, Speaker Component Selecting An Aspect Ratio ModeClock Adjusting the Timer FunctionSelecting Options Using the Key Lock2Tile Mode Enlarged Screen Enww Solving Common Problems TroubleshootingProblem Possible Cause Solution Appendix a Troubleshooting Using the Worldwide Web Preparing to Call Technical Support HP LD4200 LCD Monitor Technical SpecificationsHP LD4200 LCD Monitor HP LD4700 LCD Monitor Table B-2HP LD4700 SpecificationsHP LD4200 and LD4700 Preset Display Modes Recognizing Preset Display ResolutionsPreset Pixel Format Horz Freq kHz Vert Freq Hz Power Indicator DTV ModeMode Indicator Light RS-232C Configurations Connecting the CableControlling the Multiple Product Communication Parameter Command Reference ListTransmission Transmission / Receiving ProtocolPower Command a Aspect Ratio Command c Main picture format Input Select Command b Main Picture InputVolume Mute Command e Screen Mute Command dVolume Control Command f Brightness Command h Contrast Command gTint Command j Video only Color Command i Video onlyOSD Select Command l Sharpness Command k Video onlyRemote Lock /Key Lock Command m Color Temperature Command uv Balance Command tISM mode Command j p Abnormal state Command zData Description Auto Configure Command j uKey Command m c Tile Mode Command d dTile V Position Command d f Tile H Position Command d eTile H Size Command d g Tile ID Set Command d Tile V Size Command d hNatural Mode In Tilemode Command d j Temperature value Command d n Elapsed time return Command d lLamp fault Check Command d p Speaker Command d Auto volume Command d uTime Command f a 00H~FFH On Timer On/Off Timer On, Off Command F bOn Timer On/Off Timer Time Command f d Off Timer On/Off Timer On, Off Command f cOff Timer On/Off Timer Time Command f e Auto Sleep Command f g Sleep Time Command f fPower On Delay Command f h DPM Select Command f j Language Command f43. S/W Version Command f z Reset Command f kInput Select Command x b IR Codes Remote Control IR CodeCodeHexa Function IR Codes TableExit Cables Agency Regulatory NoticesFederal Communications Commission Notice ModificationsAvis Canadien Canadian NoticeEuropean Union Regulatory Notice Japanese Power Cord Requirements Japanese Notice Korean Notice Power Cord Set RequirementsGerman Ergonomics Notice Materials Disposal Product Environmental NoticesTurkey EEE Regulation

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