Page 2
Microsoft, Windows, and Windows Vista are either trademarks or registered trademarks of Microsoft Corporation in the United States and/or other countries. The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services. Nothing herein should be construed as constituting an additional warranty.
Important Safety Instructions Please read all the following instructions carefully and keep this manual for future reference. Unplug this monitor before cleaning. Do not use liquids or aerosol cleaners to clean the surface of the LCD. Use a damp cloth for cleaning. Do not push the surface of the LCD screen with your hands or any hard article.
Chapter I. Introduction 1.1 Features Multilingual OSD adjustment Compatible with IBM VGA, extended VGA, VESA VGA, SVGA, XGA, and SXGA modes Wide range of applicable voltages (AC 100-240V 50/60Hz ) enables direct use without any setting. Plug-and-play VESA DDC1/ 2B Standard. Compatible with Windows 9x / 2000 / xp / Vista operation systems 1.2 Check list Please make sure the following items are included with your LCD monitor;...
2.2 Connect your monitor to your computer Power off and unplug your computer. Connect the 15-Pin or 24-Pin ends of the signal cable to the VGA or DVI port of your monitor and the VGA or DVI OUT jack on the back of your computer. Secure the screws on both ends of the signal cable.
Page 7
2.3 Disconnect the pedestal Press the clip button on the pedestal and remove the pedestal from the stand. Press the clip button on the stand and remove the pedestal from your LCD monitor. Note: This monitor uses VESA-compatible 100mmx100mm installation ports.
Chapter III. Monitor overview Overview of front panel controls Menu Button (MENU) Select Button -(minus) Select Button +(plus) OK Button (OK) Power Button (POWER)
Chapter IV. Operational Instruction 4.1 Power ON/OFF Switch Press this button to power on/off your monitor. Note: The ON/OFF switch does not disconnect your monitor from the main voltage. To completely disconnect the main voltage, please remove the power plug from the socket. 4.2 Power indicator This indicator lights up in blue when the monitor operates normally.
Page 10
4.4 OSD operational instructions Icon Main menu option Switch the video input (only applicable to some models) Brightness Contrast Image control Submenu option Note When the monitor is connected to two active and valid video sources, switching between the video input sources is available.
Page 11
Color Custom color sRGB Languages Management Volume OSD control Power saver To select the color displayed on the screen. The factory default setting is “6500 K” or “Custom color”, depending on the model of your monitor. To select and adjust the color range: R –...
Page 12
Management (Continued) Mode Display Monitor status DDC/CI support Power indicator on the front panel Sleep timer The resolution, refresh rate and frequency information will be displayed when the OSD main menu is accessed. Please select “On” or “Off” as the factory default on-off setting, depending on the model of your monitor.
Page 13
Default video input Information Restore factory settings When the monitor is connected to two active and valid video sources, select one of them as the default video input. The default signal input is DVI. The change you made will be activated after your computer is restarted.
5.2 Product specifications S1931a Model Size Max. resolution Recommended resolution Horizontal frequency Vertical frequency Viewable size Viewable angle Pitching angle Pixel frequency OSD functions Size (Packing) Net weight/ Gross weight Power supply Altitude (under operational condition) Altitude (under storing condition) Input signal Contrast Brightness...
Page 16
S2031 / S2031a Models Size Max. resolution Recommended resolution Horizontal frequency Vertical frequency Viewable size Viewable angle Pitching angle Pixel frequency OSD functions Size (Packing) Net weight/ Gross weight Power supply Altitude (under operational condition) Altitude (under storing condition) Input signal Contrast Brightness Response time...
Page 17
S2231 / S2231a Models Size Max resolution Recommended resolution Horizontal frequency Vertical frequency Viewable size Pitching angle Viewable angle Pixel frequency OSD functions Size (Packing) Net weight/ Gross weight Power supply Altitude (under operational condition) Altitude (under storing condition) Input signal Contrast Brightness Response time...
Page 18
S2331 S2331a Models Size Max. resolution Recommended resolution Horizontal frequency Vertical frequency Viewable size Pitching angle Viewable angle Pixel frequency OSD functions Size (Packing) Net weight/ Gross weight Power supply Altitude (under operational condition) Altitude (under storing condition) Input signal Contrast Brightness Response time...
Page 19
S23 1a Model Size Max. resolution Recommended resolution Horizontal frequency Vertical frequency Viewable size Pitching angle Viewable angle Pixel frequency OSD functions Size (Packing) Net weight/ Gross weight Power supply Altitude (under operational condition) Altitude (under storing condition) Input signal Contrast Brightness Response time...
Page 20
5.3 Signal cable connector PIN No. DVI Interface Signal name TMDS Data 2- TMDS Data 2+ TMDS Data 2/4 Shield DDC Clock DDC Data TMDS Data 1- TMDS Data 1+ TMDS Data 1/3 Shield +5V Power supply Testing cable Hot-swap testing TMDS Data 0- TMDS Data 0+ TMDS Data 0/5 Shield...
5.4 Panel testing The ratio of valid pixels on each LCD screen reaches 99.99% or higher. However, less than 0.01% of the pixels may cause dark dots displayed on the screen. Signal Red Signal Green Signal Blue Signal Ground Cable testing Red Signal Ground Green Signal Ground Blue Signal Ground...
Damage Replacement Policy so you can replace the equipment, if surge protection fails. Use the appropriate and correctly sized furniture designed to properly support your HP LCD monitor. LCD monitors that are inappropriately situated on dressers, bookcases, shelves, desks, WARNING! speakers, chests, or carts may fall over and cause personal injury.
Safety Precautions Use only a power source and connection compatible with this monitor, as indicated on the label/ back plate of the monitor. Be sure the total ampere rating of the products connected to the outlet does not exceed the current rating of the electrical outlet, and the total ampere rating of the products connected to the power cord does not exceed the rating of the power cord.
If the monitor is not operating properly or has been dropped or damaged, contact an authorized HP dealer, reseller, or service provider. Use only a power source and connection appropriate for this monitor, as indicated on the label/ back plate of the monitor.
Agency Regulatory Notices Federal Communications Commission Notice 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.
P. O. Box 692000, Mail Stop 530113 Houston, Texas 77269-2000 Or, call 1-800-HP-INVENT (1-800 474-6836) For questions regarding this FCC declaration, contact: Hewlett Packard Company P. O. Box 692000, Mail Stop 510101 Houston, Texas 77269-2000 Or, call (281) 514-3333 To identify this product, refer to the Part, Series, or Model number found on the product.
0.75 mm² or 18 AWG, and the length of the cord must be between 6 feet (1.8 m) and 12 feet (3.6 m). If you have questions about the type of power cord to use, contact an authorized HP service provider.
CAUTION: Product Environmental Notices Materials Disposal This HP product contains mercury in the fluorescent lamp in the display LCD that might require special handling at end-of-life. Disposal of this material can be regulated because of environmental considerations. For disposal or recycling information, contact the local authorities or the Electronic Industries Alliance (EIA) http://www.eiae.org.
HP Recycling Program HP encourages customers to recycle used electronic hardware, HP original print cartridges, and rechargeable batteries. For more information about recycling programs, go to recycle. Restriction of Hazardous Substances (RoHS) A Japanese regulatory requirement, defined by specification JIS C 0950, 2005, mandates that manufacturers provide Material Content Declarations for certain categories of electronic products offered for sale after July 1, 2006.
The auto adjustment feature might fix this problem (VGA input only). Make sure the graphics card supports the optimal resolution. Make sure the latest supported driver is installed for the graphics card. For HP and Compaq systems, you can download the latest graphics driver for your system from: www.hp.com/ support.
Monitor is always in sleep mode (amber LED). Getting Support from hp.com Before you contact customer service, refer to HP Technical Support at: Select your country/region, and then follow the links to the support page for your monitor. Preparing to Call Technical Support If you cannot solve a problem by using the troubleshooting tips in this section, you might have to call technical support.
Name and version of hardware and software you are using Locating the Rating Label The rating label on the monitor provides the product number and serial number. You may need these numbers when contacting HP about your monitor model. The rating label is on the back of the monitor.