HP LE1851w, LE1851wl, LE1851wt,
LE2001w, LE2001wl, and LE2001wm
LCD Monitors
User Guide
About This Guide
This guide provides information on setting up the monitor, installing drivers, using the on-screen display
menu, troubleshooting and technical specifications.
WARNING! Text set off in this manner indicates that failure to follow directions could result in bodily
harm or loss of life.
CAUTION: Text set off in this manner indicates that failure to follow directions could result in damage
to equipment or loss of information.
NOTE: Text set off in this manner provides important supplemental information.
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About This Guide
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Table of contents
1 Product Features ............................................................................................................... 1
2 Safety and Maintenance Guidelines .................................................................................. 2
3 Setting Up the Monitor ...................................................................................................... 4
4 Operating the Monitor .................................................................................................... 14
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Appendix A Troubleshooting ............................................................................................. 29
Appendix B Technical Specifications ................................................................................... 31
Appendix C Agency Regulatory Notices ............................................................................. 36
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1 Product Features
HP LCD Monitors
The LCD (liquid crystal display) monitors have an active matrix, thin-film transistor (TFT) panel. The
monitor models and features include:
Wide viewing angle to allow viewing from a sitting or standing position, or moving side-to-side
Tilt capability
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Removable pedestal base for flexible monitor panel mounting solutions
Video signal input to support VGA analog with VGA signal cable provided
Video signal input to support DVI digital with DVI signal cable provided (LE2001wm model only)
Internal speakers with audio cable provided (LE2001wm model only)
Support for optional HP speaker bar
Plug and play capability if supported by the system
Privacy filter slots to insert filters (purchased separately) to block side screen viewing (select
models)
Security slot provision on rear of monitor for optional cable lock
Cable management feature for placement of cables and cords
On-Screen Display (OSD) adjustments in several languages for easy setup and screen optimization
HP Display Assistant for adjusting monitor settings
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Software and documentation CD that includes monitor drivers and product documentation
Energy saver feature to meet requirements for reduced power consumption
Energy Star qualified
Intelligent Management AssetControl
Compliant with the following regulated specifications:
European Union CE Directives
Swedish TCO Requirements
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Support for MultiSeat computing solution (LE1851wt model only)
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HP LCD Monitors
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2 Safety and Maintenance Guidelines
Important Safety Information
A power cord is included with the monitor. If another cord is used, use only a power source and
connection appropriate for this monitor. For information on the correct power cord set to use with the
WARNING! To reduce the risk of electric shock or damage to the equipment:
• Do not disable the power cord grounding feature. The grounding plug is an important safety feature.
• Plug the power cord in a grounded (earthed) outlet that is easily accessible at all times.
• Disconnect power from the product by unplugging the power cord from the electrical outlet.
For your safety, do not place anything on power cords or cables. Arrange them so that no one may
accidentally step on or trip over them. Do not pull on a cord or cable. When unplugging from the
electrical outlet, grasp the cord by the plug.
To reduce the risk of serious injury, read the Safety and Comfort Guide. It describes proper
workstation, setup, posture, and health and work habits for computer users, and provides important
electrical and mechanical safety information. This guide is located on the Web at http://www.hp.com/
ergo and/or on the documentation CD, if one is included with the monitor.
CAUTION: For the protection of the monitor, as well as the computer, connect all power cords for
the computer and its peripheral devices (such as a monitor, printer, scanner) to some form of surge
protection device such as a power strip or Uninterruptible Power Supply (UPS). Not all power strips
provide surge protection; the power strips must be specifically labeled as having this ability. Use a
power strip whose manufacturer offers a 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.
WARNING! LCD monitors that are inappropriately situated on dressers, bookcases, shelves, desks,
speakers, chests, or carts may fall over and cause personal injury.
Care should be taken to route all cords and cables connected to the LCD monitor so that they can not
be pulled, grabbed, or tripped over.
Maintenance Guidelines
To enhance the performance and extend the life of the monitor:
Do not open the monitor cabinet or attempt to service this product yourself. Adjust only those
controls that are covered in the operating instructions. If the monitor is not operating properly or
has been dropped or damaged, contact an authorized HP dealer, reseller, or service provider.
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Use only a power source and connection appropriate for this monitor, as indicated on the label/
back plate of the monitor.
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Chapter 2 Safety and Maintenance Guidelines
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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 cord
does not exceed the rating of the cord. Look on the power label to determine the ampere rating
(AMPS or A) for each device.
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Install the monitor near an outlet that you can easily reach. Disconnect the monitor by grasping the
plug firmly and pulling it from the outlet. Never disconnect the monitor by pulling the cord.
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Turn the monitor off when not in use. You can substantially increase the life expectancy of the
monitor by using a screen saver program and turning off the monitor when not in use.
NOTE: Monitors with a “burned-in image” are not covered under the HP warranty.
Slots and openings in the cabinet are provided for ventilation. These openings must not be
blocked or covered. Never push objects of any kind into cabinet slots or other openings.
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Do not drop the monitor or place it on an unstable surface.
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Do not allow anything to rest on the power cord. Do not walk on the cord.
Keep the monitor in a well-ventilated area, away from excessive light, heat or moisture.
When removing the monitor base, you must lay the monitor face down on a soft area to prevent it
from getting scratched, defaced, or broken.
Cleaning the Monitor
1. Turn off the monitor and unplug the power cord from the back of the unit.
2. Dust the monitor by wiping the screen and the cabinet with a soft, clean antistatic cloth.
3. For more difficult cleaning situations, use a 50/50 mix of water and Isopropyl alcohol.
CAUTION: Spray the cleaner onto a cloth and use the damp cloth to gently wipe the screen surface.
Never spray the cleaner directly on the screen surface. It may run behind the bezel and damage the
electronics.
CAUTION: Do not use cleaners that contain any petroleum based materials such as benzene,
thinner, or any volatile substance to clean the monitor screen or cabinet. These chemicals may damage
the monitor.
Shipping the Monitor
Keep the original packing box in a storage area. You may need it later if you move or ship the
monitor.
Maintenance Guidelines
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3 Setting Up the Monitor
To set up the monitor, ensure that the power is turned off to the monitor, computer system, and other
attached devices, then follow the instructions below.
Attaching the Monitor Base
1. Set the base on a flat surface such as a table top.
2. Using both hands, position the pedestal over the base and press down firmly to lock it in place. Be
sure the base is securely locked in place and adjust the tilt angle to the desired position.
CAUTION: Do not touch the surface of the LCD panel. Pressure on the panel may cause non-
uniformity of color or disorientation of the liquid crystals. If this occurs the screen will not recover to its
normal condition.
Figure 3-1 Attaching the Base to the Monitor
NOTE: To remove the base, press inward on the tab in the center of the underside of the base and
pull the base from the pedestal.
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Rear Components
Figure 3-2 LE1851w, LE1851wl, LE1851wt, LE2001w, and LE2001wl Rear Components
Table 3-1 LE1851w, LE1851wl, LE1851wt, LE2001w, and LE2001wl
Rear Components
Component
Function
1
2
AC Power Connector
Connects the AC power cord to the monitor.
DC Connector (LE1851wt Connects the DC to DC cable to the monitor and MultiSeat
only)
Computing device.
3
VGA Connector
Connects the VGA cable to the monitor.
Figure 3-3 LE2001wm Rear Components
Table 3-2 LE2001wm Rear Components
Component
Function
1
2
3
4
AC Power Connector
Connects the AC power cord to the monitor.
Connects the audio cable to the monitor.
Connects the DVI-D cable to the monitor.
Connects the VGA cable to the monitor.
Audio Connector
DVI Connector
VGA Connector
Rear Components
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Connecting the Cables
WARNING! To reduce the risk of electric shock or damage to the equipment:
Do not disable the power cord grounding plug. The grounding plug is an important safety feature.
Plug the power cord into a grounded (earthed) electrical outlet that is easily accessible at all times.
Disconnect power from the equipment by unplugging the power cord from the electrical outlet.
For your safety, do not place anything on power cords or cables. Arrange them so that no one may
accidentally step on or trip over them. Do not pull on a cord or cable. When unplugging from the
electrical outlet, grasp the cord by the plug.
LE1851w, LE1851wl, LE2001w, and LE2001wl Models
1. Place the monitor in a convenient, well-ventilated location near the computer.
2. Connect the VGA signal cable to the VGA connector on the rear of the monitor and the other end
to the VGA connector on the computer.
3. Connect one end of the power cable to the AC power connector on the back of the monitor, and
the other end to an electrical wall outlet.
Figure 3-4 Connecting the Cables
4. For cable management, place the cables between the two hooks at the lower section of the
pedestal base. The cables can be neatly secured and hidden when viewed from the front.
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LE1851wt Model (Connecting for MultiSeat Computing)
1. Place the monitor in a convenient, well-ventilated location near the computer.
2. Connect the VGA signal cable to the VGA connector on the rear of the monitor and the other end
to the VGA connector on the T150 multiseat computing device.
3. Connect one end of the USB cable (not provided) to the USB connector on the monitor and
connect the other end to a USB connector on the computer.
4. Connect one end of the DC to DC cable to the DC OUT connector on the monitor and connect the
other end to the DC connector on the T150 multiseat computing device.
5. Connect one end of the power cable to the AC power connector on the back of the monitor, and
the other end to an electrical wall outlet.
Figure 3-5 Connecting the Cables
6. For cable management, place the cables between the two hooks at the lower section of the
pedestal base. The cables can be neatly secured and hidden when viewed from the front.
Connecting the Cables
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LE2001wm Model
1. Place the monitor in a convenient, well-ventilated location near the computer.
2. Connect a VGA signal cable or DVI-D signal cable.
NOTE: The monitor is capable of supporting either analog or digital input. The video mode is
determined by the video cable used. The monitor will automatically determine which inputs have
valid video signals. The inputs can be selected by pressing the +/Source button on the front panel
or through the On-Screen Display (OSD) feature by pressing the Menu button.
For analog operation, use the VGA signal cable provided. Connect the VGA signal cable to
the VGA connector on the rear of the monitor and the other end to the VGA connector on the
computer.
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For digital operation, use the DVI-D signal cable provided. Connect the DVI-D signal cable to
the DVI connector on the rear of the monitor and the other end to the DVI connector on the
computer.
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3. Connect one end of the provided audio cable to the audio connector on the monitor and connect
the other end of the cable to an audio output connector on the rear panel of the computer.
4. Connect one end of the power cable to the AC power connector on the back of the monitor, and
the other end to an electrical wall outlet.
Figure 3-6 Connecting the Cables
5. For cable management, place the cables between the two hooks at the lower section of the
pedestal base. The cables can be neatly secured and hidden when viewed from the front.
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Adjusting the Monitor
Tilt the monitor's panel forward or backward to set it to a comfortable eye level.
Figure 3-7 Tilting the Monitor
Turning on the Monitor
1. Press the power button on the computer to turn it on.
2. Press the power button on the front of the monitor to turn it on.
CAUTION: Burn-in image damage may occur on monitors that display the same static image on
screen for a prolonged period of time.* To avoid burn-in image damage on the monitor screen, you
should always activate a screen saver application or turn off the monitor when it is not in use for a
prolonged period of time. Image retention is a condition that may occur on all LCD screens. Monitors
with a “burned-in image” are not covered under the HP warranty.
* A prolonged period of time is 12 consecutive hours of non-use.
NOTE: If pressing the power button has no effect, the Power Button Lockout feature may be enabled.
To disable this feature, press and hold the monitor power button for 10 seconds.
NOTE: You can disable the power LED in the OSD menu. Press the Menu button on the front of the
monitor, then select Management > Bezel Power LED > Off.
Mounting the Monitor Panel
You can remove the monitor panel from the pedestal base to install the panel on a wall, a swing arm,
or other mounting fixture. Four threaded mounting holes are provided on the monitor back panel to be
used for mounting purposes.
NOTE: This apparatus is intended to be supported by UL or CSA Listed wall mount bracket.
Adjusting the Monitor
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CAUTION: Before beginning to disassemble the monitor, be sure the monitor is turned off and the
power and signal cables are both disconnected.
1. Disconnect and remove the signal and power cables from the back of the monitor.
2. Lay the monitor face down on a flat surface.
3. Remove the four screws on the back of the monitor that connect the monitor panel to the pedestal
base (1) and slide the pedestal base from the monitor panel (2).
Figure 3-8 Removing the Pedestal Base
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4. To attach the monitor to a swing arm, insert four 10mm screws through the holes on the swing arm
plate and into the mounting holes on the monitor.
Figure 3-9 Installing the Monitor on a Swing Arm
To attach the monitor to other mounting fixtures, follow the instructions included with the mounting
fixture to ensure that the monitor is safely attached.
CAUTION: This monitor supports the VESA industry standard 100 mm mounting holes. To
attach a third-party mounting solution to the monitor, four 4 mm, 0.7 pitch, and 10 mm long
screws are required. Longer screws must not be used because they may damage the monitor. It is
important to verify that the manufacturer’s mounting solution is compliant with the VESA standard
and is rated to support the weight of the monitor display panel. For best performance, it is
important to use the power and video cables provided with the monitor.
5. Reconnect the cables to the monitor panel.
Mounting the Monitor Panel
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Mounting the MultiSeat Computing Device to the
Monitor (Sold Separately)
You can connect a multiseat computing device to the rear of the LE1851wt model only.
1. Install the bracket for the multiseat computing device to the rear of the monitor using the two
10mm screws provided. Install the screws in the upper two VESA mounting holes.
Figure 3-10 Installing the MultiSeat Computing Device Bracket
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2. Slide the multiseat computing device onto the bracket.
Figure 3-11 Installing the MultiSeat Computing Device
for instructions on connecting the cables.
Locating the Rating Labels
The rating labels on the monitor provide the spare part number, product number, and serial number.
You may need these numbers when contacting HP about the monitor model. The rating labels are
located on the rear panel of the monitor.
Figure 3-12 Locating the Rating Labels
Locating the Rating Labels
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4 Operating the Monitor
Software and Utilities
The CD that comes with the monitor contains files you can install on the computer:
an .INF (Information) file
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an .ICM (Image Color Matching) file
auto-adjustment pattern utility
additional software for the monitor model
NOTE: If the monitor does not include a CD, the .INF and .ICM files can be downloaded from the HP
The Information File
The .INF file defines monitor resources used by Microsoft Windows operating systems to ensure monitor
compatibility with the computer’s graphics adapter.
This monitor is Microsoft Windows Plug and Play compatible and the monitor will work correctly
without installing the .INF file. Monitor Plug and Play compatibility requires that the computer’s graphic
card is VESA DDC2–compliant and that the monitor connects directly to the graphics card. Plug and
Play does not work through separate BNC type connectors or through distribution buffers/boxes.
The Image Color Matching File
The .ICM files are data files that are used in conjunction with graphics programs to provide consistent
color matching from monitor screen to printer, or from scanner to monitor screen. This file is activated
from within graphics programs that support this feature.
NOTE: The ICM color profile is written in accordance with the International Color Consortium (ICC)
Profile Format specification.
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Installing the .INF and .ICM Files
After you determine that you need to update, you can install the .INF and .ICM files from the CD or
download them.
Installing from the CD
To install the .INF and .ICM files on the computer from the CD:
1. Insert the CD in the computer CD-ROM drive. The CD menu is displayed.
2. View the Monitor Driver Software Readme file.
3. Select Install Monitor Driver Software.
4. Follow the on-screen instructions.
5. Ensure that the proper resolution and refresh rates appear in the Windows Display control panel.
NOTE: You may need to install the digitally signed monitor .INF and .ICM files manually from the CD
in the event of an installation error. Refer to the Monitor Driver Software Readme file on the CD.
Downloading from the Worldwide Web
To download the latest version of .INF and .ICM files from the HP monitors support Web site:
2. Follow the links for the monitor to the support page and download page.
3. Ensure the system meets the requirements.
4. Download the software by following the instructions.
Using the Auto-Adjustment Function
You can optimize the screen performance for the VGA (analog) input by using the OK/auto button on
the monitor and the auto-adjustment pattern software utility on the CD provided.
If the monitor is using a VGA (analog) input, this procedure can correct the following image quality
conditions:
Fuzzy or unclear focus
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Ghosting, streaking or shadowing effects
Faint vertical bars
Thin, horizontal scrolling lines
An off-center picture
Installing the .INF and .ICM Files
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To use the auto-adjustment feature:
1. Allow the monitor to warm up for 20 minutes before adjusting.
2. Press the OK/auto button on the monitor front panel.
You can also press the Menu button, then select Image Control > Auto-Adjustment from
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If the result is not satisfactory, continue with the procedure.
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3. Insert the CD in the disc drive. The CD menu is displayed.
4. Select Open Auto-Adjustment Software. The setup test pattern is displayed.
5. Press the OK/auto button on the monitor front panel to produce a stable, centered image.
6. Press the ESC key or any other key on the keyboard to exit the test pattern.
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Front Panel Controls
Table 4-1 Monitor Front Panel Controls
Control
Function
1
2
Menu
Opens, selects or exits the OSD menu.
Minus
If the OSD menu is on, press to navigate backward through
the OSD menu and decrease adjustment levels.
Volume/Minus
(LE2001wm model only)
If the OSD menu is inactive, press to open the Volume
adjustment OSD sub-menu (LE2001wm Model only).
3
4
Plus
If the OSD menu is on, press to navigate forward through
the OSD menu and increase adjustment levels.
Plus/source (LE2001wm
model only)
If the OSD menu is inactive, press to activate the source
button that chooses the video signal input (VGA or DVI)
(LE2001wm model only)
OK/auto
If the OSD menu is on, press to select the highlighted menu
item.
If the OSD menu is inactive, press to activate the auto
adjustment feature to optimize the screen image.
5
6
Power LED
Power
Green = Fully powered.
Amber = Sleep mode.
Flashing Amber = Sleep Timer mode.
Turns the monitor on or off.
Front Panel Controls
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Adjusting the Monitor Settings
The monitor settings can be adjusted from the On-Screen Display (OSD) menu or from the HP Display
Assistant utility.
NOTE: If there is a problem with the display settings, try resetting the settings to the factory defaults
by opening the OSD and selecting Factory Reset from the OSD menu.
Using the On-Screen Display Menu
Use the On-Screen Display (OSD) to adjust the screen image based on your viewing preferences. To
access the OSD, do the following:
1. If the monitor is not already on, press the Power button to turn on the monitor.
2. To access the OSD Menu, press the Menu button on the monitor’s front panel.
3. To navigate through the OSD Menu, press the + (Plus) button on the monitor’s front panel to scroll
up, or the – (Minus) button to scroll in reverse.
4. To select an item from the OSD Menu, use the + or – buttons to scroll to and highlight your
selection, then press the OK/auto button to select that function.
5. Adjust the item using the + or – buttons on the front panel to adjust the scale.
6. After adjusting the function, select Save and Return, or Cancel if you don’t want to save the
setting, then select Exit from the Main Menu.
NOTE: If the buttons remain untouched for 10 seconds while displaying a menu, new adjustments
will be discarded and the settings will revert to previous settings and exit the menu.
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OSD Menu Selections
The following table lists the On-Screen Display (OSD) menu selections and their functional descriptions.
After changing an OSD menu item, and if the menu screen has these options, you may choose to:
Cancel—to return to the previous menu level.
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Save and Return—to save all changes and return to the OSD Main Menu screen. This Save
and Return option is only active if you change a menu item.
Table 4-2 OSD Menu
Icon
Main Menu
Submenu
Description
Brightness
Contrast
Color
Adjustable scale
Adjusts the brightness level of the screen. The factory
default range is 90.
Adjustable scale
Adjusts the contrast level of the screen. The factory
default range is 80.
Selects the screen color. The factory default is 6500K
or Custom Color, depending on the model.
9300 K
6500 K
sRGB
Changes to slightly blueish white.
Changes to slightly reddish white.
Sets your screen colors to adapt to the color standards
used in the image technology industry.
Custom Color
Selects and adjusts your own color scales:
R—sets your own red color levels
G—sets your own green color levels
B—sets your own blue color levels
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Image Control
Adjusts the screen image. (VGA input only)
Automatically adjusts the screen image.
Auto Adjustment
Clock
Minimizes any vertical bars or strips visible on the
screen background. Adjusting the Clock will also
change the horizontal screen image.
Clock Phase
Adjusts the focus of the display. This adjustment
allows you to remove any horizontal noise and clear
or sharpen the image of characters.
Horizontal Position
Vertical Position
Adjusts the position of the screen image left and right.
Adjusts the position of the screen image up and
down.
Adjusting the Monitor Settings
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Table 4-2 OSD Menu (continued)
Icon
Main Menu
Submenu
Description
Custom Scaling
Selects the method on how displayed information on
the monitor will be formatted. Select:
Fill to Screen - image fills the entire screen and
may look distorted or elongated because of non-
proportional scaling of height and width
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Fill to Aspect Ratio - image is sized to fit the
screen and maintains proportional image
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Sharpness (non-native
modes)
Adjusts the screen image to look sharper or soft.
OSD Control
Provides a menu for adjusting the on-screen display
(OSD) controls.
Horizontal OSD
Position
Changes the viewing position of the OSD menu to the
left or right area of the screen. The factory default
range is 50.
Vertical OSD Position
Changes the viewing position of the OSD menu to the
top or bottom area of the screen. The factory default
range is 50.
OSD Transparency
OSD Timeout
Adjust to view the background information through
the OSD.
Sets the time duration in seconds that the OSD is
visible after the last button is pressed. The range is
5 –
60 seconds. The factory default is 30 seconds.
Management
Selects the OSD and power management features of
the monitor.
Power Saver
Enables the power saving feature. Select:
On
Off
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The factory default is On.
Power On Recall
Restores power to the monitor following an
unexpected removal of power. Select:
On
Off
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The factory default is On.
Mode Display
Displays the resolution, refresh rate and frequency
information on the screen each time the OSD Main
Menu is accessed. Select:
On
Off
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The factory default is On.
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Table 4-2 OSD Menu (continued)
Icon
Main Menu
Submenu
Description
Monitor Status
Displays the operating status of the monitor each time
the monitor is powered on. Select the location to
display the status to:
Top
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Middle
Bottom
Off
The factory default is Top.
DDC/CI Support
Allows the computer to control some OSD menu
features such as brightness, contrast and color
temperature. Set to:
On
Off
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The factory default is On.
Bezel Power LED
Turns off the power LED on the front panel of the
monitor. The factory default is On.
Volume (LE2001wm
model only)
Adjusts the volume of the monitor speakers. The
ranges is 0 – 100. The factory default setting is 90.
Sleep Timer
Provides the timer adjustment menu options:
Set Current Time—sets the current time in hours
and minutes
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Set Sleep Time—sets the time you want to place
the monitor in sleep mode
Set on Time—sets the time you want the monitor
to wake up from sleep mode
Timer—sets the Sleep Timer feature On or Off.
The default setting is Off.
Sleep Now—immediately sets the monitor to
enter sleep mode
Language
Selects the language in which the OSD menu is
displayed. The factory default is English.
Information
Selects and displays important information about the
monitor.
Current Settings
Provides the current input video mode.
Recommended Settings Provides the recommended resolution mode and
refresh rate for the monitor.
Serial Number
Reports the serial number of the monitor. The serial
number is needed if contacting HP technical support.
FW Version
Reports the firmware version of the monitor.
Adjusting the Monitor Settings
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Table 4-2 OSD Menu (continued)
Icon
Main Menu
Submenu
Description
Backlight Hours
Service Support
Reports the total hours of backlight operation.
Factory Reset
Returns all OSD menu settings and DDC/CI controls to
the factory default settings, except the Language.
Source Control
(LE2001wm model
only)
Selects the video input signal. VGA is the factory
default.
DVI
Selects DVI as the video input signal.
Selects VGA as the video input signal.
VGA
Default Source
Selects the default or primary video input signal when
the monitor is connected to two active and valid video
sources. The monitor will automatically determine the
video format. The choices are:
DVI
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VGA
The factory default is VGA.
Auto-Switch Source
Turns the system's automatic video signal input to On
or Off. The factory default is On.
Exit
Exits the OSD menu screen.
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Optimizing Image Performance
Two controls in the on-screen display can be adjusted to improve image performance: Clock and Clock
Phase.
NOTE: The Clock and Clock Phase controls are adjustable only when using an analog input. These
controls are not adjustable for digital inputs.
The Clock must first be set correctly since the Clock Phase settings are dependent on the main Clock
setting. Use these controls only when the auto-adjustment function does not provide a satisfactory
image.
Clock—Increases/decreases the value to minimize any vertical bars or stripes visible on the
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screen background.
Clock Phase—Increases/decreases the value to minimize video flickering or blurring.
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NOTE: When using the controls, you will obtain the best results by using the auto-adjustment pattern
software utility provided on the CD.
When adjusting the Clock and Clock Phase values, if the monitor images become distorted, continue
adjusting the values until the distortion disappears. To restore the factory settings, select Yes from the
Factory Reset menu in the on-screen display.
To eliminate vertical bars (Clock):
1. Press the Menu button on the monitor's front panel to open the OSD Menu, and then select
Image Control > Clock.
2. Press the + (Plus) or – (Minus) buttons on the monitor's front panel to eliminate vertical bars. Press
the buttons slowly so that you do not miss the optimum adjustment point.
Figure 4-1 Clock Adjustment
3. After adjusting the Clock, if blurring, flickering, or bars appear on the screen, proceed to adjust
the Clock Phase.
To remove flickering or blurring (Clock Phase):
1. Press the Menu button on the monitor's front panel to open the OSD Menu, and then select
Image Control > Clock Phase.
2. Press the + (Plus) or – (Minus) buttons on the monitor's front panel to eliminate flickering or
blurring. Flicking or blurring may not be eliminated depending on your computer or graphics
controller card installed.
Figure 4-2 Clock Phase Adjustment
Adjusting the Monitor Settings
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23
To correct screen position (Horizontal Position or Vertical Position):
1. Press the Menu button on the monitor's front panel to open the OSD Menu, and then select
Image Control > Horizontal Position and/or Vertical Position.
2. Press the + (Plus) or – (Minus) buttons on the monitor's front panel to properly adjust the position of
the image in the display area of the monitor. The Horizontal Position shifts the image left or right;
the Vertical Position shifts the image up and down.
Figure 4-3 Horizontal or Vertical Position Adjustment
Using the HP Display Assistant Utility
HP Display Assistant, included on the software and documentation CD, is a software utility that guides
you through the tuning process with easy to understand instructions and background patterns designed
for each monitor control. It provides:
Accurate screen calibration through the use of step-by-step instruction Wizards to obtain the best
overall image quality.
●
Software control of the monitor image and color settings to eliminate dependence on the monitor’s
front panel buttons and On-Screen Display (OSD) menu.
●
Defined preset display settings for each individual user in a multi-user environment.
Multiple preset display settings for a single user based on content and ambient lighting.
●
●
●
Asset Management and Power Management capabilities that include remote control for individual
or a group of displays on the domain from a centralized console application.
Power Saving Plug-in feature that applies power saving modes to the display and a schedule
power saving feature that allows the display to be set to idle (stand-by) mode or powered off after
a pre-determined time of inactivity.
●
The HP Display Assistant Utility has two modes of operation: Wizard and OSD mode. The preferred
method of use is Wizard mode, which takes you through a step-by-step process to accurately calibrate
the monitor. This method relies on a sequence of steps that will obtain the best display results when
completed.
NOTE: Refer to the HP Display Assistant user guide for additional information about the software.
24
Chapter 4 Operating the Monitor
ENWW
Identifying Monitor Conditions
Special messages will appear on the monitor screen when identifying the following monitor conditions:
Input Signal Out of Range—Change resolution setting to 1366 x 768 – 60Hz—
Indicates the monitor does not support the input signal because the resolution and/or refresh rate
are set higher than the monitor supports (LE1851w and LE1851wl models).
●
●
●
Input Signal Out of Range—Change resolution setting to 1600 x 900 – 60Hz—
Indicates the monitor does not support the input signal because the resolution and/or refresh rate
are set higher than the monitor supports (LE2001wm, LE2001w, and LE2001wl models).
No Source Signal—Indicates the monitor is not receiving a video signal from the PC on the
monitor video input connector. Check to determine if the PC or input signal source is off or in the
power saving mode.
Auto Adjustment in Progress—Indicates the auto-adjustment function is active.
Monitor Going to Sleep—Indicates the screen display is entering a sleep mode.
Check Video Cable—Indicates the video cable is not properly connected to the computer.
●
●
●
●
OSD Lockout—The OSD can be enabled or disabled by pressing and holding the Menu button
on the front panel for 10 seconds. If the OSD is locked, the warning message OSD Lockout
displays for ten seconds.
If the OSD is locked, press and hold the Menu button for 10 seconds to unlock the OSD.
If the OSD is unlocked, press and hold the Menu button for 10 seconds to lock the OSD.
◦
◦
Power Button Lockout—Indicates the power button is locked. If the power button is locked,
●
the warning message Power Button Lockout displays.
If the power button is locked, press and hold the power button for 10 seconds to unlock the
power button function.
◦
◦
If the power button is unlocked, press and hold the power button for 10 seconds to lock out
the power button function.
Theft Mode Enabled—Indicates that theft deterrence mode has been activated. Theft
deterrence is an optional feature that can be set up in HP Display Assistant. Theft deterrence mode
is triggered if both the power and display cables have been disconnected from the monitor, the
monitor is reconnected to a different computer, and the theft deterrence PIN number is not entered
within the elapsed time. When the monitor is in theft deterrence mode, all front panel buttons are
disabled other than the power button.
●
●
Speaker Self-Test In Progress—Indicates the monitor is testing the left and right speakers.
Identifying Monitor Conditions
ENWW
25
Sleep Timer Mode
The Sleep Timer mode is an energy-saving feature that enables you to set a time for the monitor to
power on and off at the same time every day. This also extends the life of the backlight bulbs in the
monitor. The Sleep Timer has five settings:
Set Current Time
Set Sleep Time
Set On Time
●
●
●
●
●
Timer: On/Off
Sleep Now
To set the timer:
1. Press the Menu button on the monitor front panel to display the OSD Menu.
2. Scroll down and highlight Management.
3. Press the Menu button to select Management.
4. Scroll down and highlight and select Sleep Timer > Set Current Time.
NOTE: You must set the current local time before you reset the time for Sleep Time or On
Time. Note that the time is displayed in a 24–hour clock format. For example, 1:15 p.m. is
displayed as 13 hours 15 minutes.
A power failure or loss of power to the monitor will cause the timer to reset to 00:00. If this
occurs, you will need to reset the sleep timer mode.
5. Press the Menu button once to enter the adjustment mode for hours.
6. Press the - (Minus) or + (Plus) button to adjust the hour.
7. Press the Menu button again to enter the time for minutes.
8. Press the - (Minus) or + (Plus) button to adjust the minutes.
9. Press the Menu button to lock in the time chosen.
10. After setting the current time, the highlight automatically skips to Set Sleep Time hours. Repeat
steps 6 through 9 to set Sleep Time.
11. If you do not want to set Sleep Time, press the Menu button twice, then select Save and
Return to exit the menu.
12. After setting Sleep Time, the highlight automatically skips to Set On Time hours. Repeat steps
6 through 9 to set On Time.
13. Set the Timer mode to On to activate the Sleep Timer settings.
14. When you are finished, select Save and Return to exit the menu.
The fifth selection, Sleep Now, turns the monitor backlights off immediately and stays in sleep mode
until the next On Time activates or a monitor button is pressed.
26
Chapter 4 Operating the Monitor
ENWW
sRGB Support
The monitor is designed to support sRGB for color management, which adapts to the color standards
used in the image technology industry.
To take advantage of the sRGB support, you will need to change the monitor’s color temperature to
sRGB and install the sRGB color profile (ICM) file.
NOTE: The sRGB color temperature preset will improve the color accuracy of sRGB images on the
computer monitor, but some color variation may still occur.
Changing the Color Temperature
1. Press the Menu button on the front panel of the monitor to launch the Main Menu of the OSD.
2. Select Color.
3. Select sRGB.
4. Select Save and Return to exit the menu.
Installing the sRGB ICM File for Microsoft Windows 2000 and
Windows XP
NOTE: To complete the following procedure, you must be logged in as an administrator or a member
of the administrator’s group. If the computer is connected to a network, network policy settings may
prevent you from completing this procedure. The sRGB ICM file does not support Windows 95 and
Windows NT operating systems.
1. Click the Display icon in the Control Panel.
2. In the Display Properties windows, select the Settings tab, then click the Advanced button.
3. Select the Color Management tab, then click the Add button to open the Add Profile
Association dialog box.
4. Select the sRGB Color Space Profile.icm file, then click the Add button
5. To activate a color profile for the monitor, you must set it as the Default Monitor Profile. Select
sRGB Color Space Profile, then click Set as Default button.
6. Click Apply or OK.
Installing the sRGB ICM File for Microsoft Windows Vista
1. Click Appearance and Personalization icon in the Control Panel.
2. Click Personalization.
3. Click Display Settings.
4. Click the Advanced Settings button.
5. Click the Color Management tab, then click the Color Management button.
6. Click the Advanced tab, then click the Change System Defaults button.
sRGB Support
ENWW
27
7. On the Devices tab, click theAdd button.
8. Select the RGB Color Space Profile.icm file, then click the OK button.
9. To activate a color profile for the monitor, you must set it as the Default Monitor Profile. Select
sRGB Color Space Profile, then click the Set as Default button.
Installing the sRGB ICM File for Microsoft Windows 7
1. Click Appearance and Personalization icon in the Control Panel.
2. Click Display.
3. Click Change display settings.
4. Click Advanced settings.
5. Click the Color Management tab, then click the Color Management button.
6. Click the Advanced tab, then click the Change System Defaults button.
7. On the Devices tab, click the Add button.
8. Select the RGB Color Space Profile.icm file, then click the OK button.
9. To activate a color profile for the monitor, you must set it as the Default Monitor Profile. Select
sRGB Color Space Profile, then click the Set as Default button.
28
Chapter 4 Operating the Monitor
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A Troubleshooting
Solving Common Problems
The following table lists possible problems, the possible cause of each problem, and the recommended
solutions.
Problem
Possible Cause
Solution
Screen is blank.
Power cord is disconnected.
Connect the power cord.
Power button on front panel of Press the front panel power button.
the monitor is turned off.
NOTE: If pressing the power button has no effect,
press and hold the power button for 10 seconds to
disable the power button lockout feature.
Video cable is improperly
connected.
Connect the video cable properly. Refer to Chapter
information.
Screen blanking is active.
Press any key on the keyboard or move the mouse
to inactivate the screen blanking utility.
Screen image appears distorted; text is The computer’s graphics card
Set the computer’s display resolution to the same
mode as the monitor’s recommended native screen
resolution to provide the best picture quality.
fuzzy or blurred; image quality is
degraded.
resolution is set lower or
higher than the monitor’s
native resolution.
Image appears blurred, indistinct, or
too dark.
Brightness and contrast are too Press the OK/auto button on the front panel. If this
low.
does not correct the image, press the Menu button
to open the OSD Menu, and adjust the brightness
and contrast scales as needed.
Image is not centered
Position may need adjustment. Press the Menu button to access the OSD menu.
Select Image Control/Horizontal Position or Vertical
Position to adjust the horizontal or vertical position
of the image.
Check Video Cable is displayed on Monitor video cable is
Connect the VGA cable to the VGA connector on
the computer and the VGA connector on the
monitor. Be sure that the computer power is off
while connecting the video cable.
screen.
disconnected.
Input Signal Out of Range.
Video resolution and/or
Restart the computer and enter Safe Mode. Change
Change Settings to 1366 x 768
@ 60Hz (18" models) OR Input
Signal Out of Range. Change
Settings to 1600 x 900 @ 60Hz
(20" models) is displayed on screen.
what the monitor supports.
Preset Display Resolutions on page 34). Restart
the computer so that the new settings take effect.
The monitor is off but it did not seem to The monitor's power saving
enter into a low-power sleep mode. control is disabled.
Check the monitor's OSD menu setting for power
saving enable/disable controls. The control should
be set to enable to allow the monitor to enter into
low-power modes.
ENWW
Solving Common Problems
29
Problem
Possible Cause
Solution
OSD Lockout is displayed.
The monitor's OSD Lockout
function is enabled.
Press and hold the Menu button for 10 seconds to
disable the OSD Lockout function.
Power Button Lockout is
displayed.
The monitor's Power Button
Lockout function is enabled.
Press and hold the power button for 10 seconds to
unlock the power button function.
Online Technical Support
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
Preparing to Call Technical Support
If you cannot solve a problem using the troubleshooting tips in this section, you may need to call
technical support. Have the following information available when you call:
Monitor model number
●
●
●
●
●
●
●
Monitor serial number
Purchase date on invoice
Conditions under which the problem occurred
Error messages received
Hardware configuration
Name and version of the hardware and software you are using
30
Appendix A Troubleshooting
ENWW
B Technical Specifications
NOTE: All performance specifications are provided by the component manufacturers. Performance
specifications represent the highest specification of all HP's component manufacturers' typical level
specifications for performance and actual performance may vary either higher or lower.
LE1851w, LE1851wl, and LE1851wt Models
Table B-1 LE1851w, LE1851wl, and LE1851wt Specifications
Display
Type
47 cm wide screen
TFT LCD
18.5 inches wide screen
18.5 inch diagonal
Viewable Image Size
Tilt
47 cm diagonal
-5 to 25°
Dimensions (include base)
34.1 cm
19.0 cm
44.59 cm
13.4 inches
7.5 inches
Height
Depth
Width
17.55 inches
Maximum Graphic Resolution
Optimum Graphic Resolution
Text Mode
1366 x 768 (60Hz) analog input
1366 x 768 (60Hz) analog input
720 × 400
Dot Pitch
0.3 (H) × 0.3 (W) mm
24 to 83 kHz
Horizontal Frequency
Vertical Refresh Rate
48 to 76 Hz
Environmental Requirements Temperature
5 to 35° C
41 to 95° F
-4 to 140° F
Operating Temperature
Storage Temperature
-20 to 60° C
Relative Humidity
Power Source
20 to 80%
100 – 240 VAC, 50/60 Hz
5.1 V DC +/- 3%, 2A output
Power pass-through support (LE1851wt model
only)
Altitude:
Operating
Storage
0 to 5000 m
0 to 16,400 feet
0 to 40,000 feet
0 to 12192 m
Input Terminal
One VGA connector with cable included
ENWW
LE1851w, LE1851wl, and LE1851wt Models
31
LE2001w and LE2001wl Models
Table B-2 LE2001w and LE2001wl Specifications
Display
Type
50.8 cm wide screen
TFT LCD
20 inches wide screen
20 inch diagonal
Viewable Image Size
Tilt
50.8 cm diagonal
-5 to 25°
Maximum Weight (Unpacked)
5.04 kg (LE2001w)
3.50 kg (LE2001wl)
11.11 lbs. (LE2001w)
7.72 lbs. (LE2001wl)
Dimensions (include base)
36.05 cm
20.6 cm
14.19 inches
8.11 inches
18.84 inches
Height
Depth
Width
47.86 cm
Maximum Graphic Resolution
Optimum Graphic Resolution
Text Mode
1600 x 900 (60Hz) analog input
1600 x 900 (60Hz) analog input
720 × 400
Dot Pitch
0.2835 (H) × 0.2835 (W) mm
24 to 85 kHz
Horizontal Frequency
Vertical Refresh Rate
48 to 76 Hz
Environmental Requirements Temperature
0 to 35° C
32 to 95° F
-4 to 140° F
Operating Temperature
Storage Temperature
-20 to 60° C
Relative Humidity
Power Source
20 to 80%
100 – 240 VAC, 50/60 Hz
Altitude:
Operating
Storage
0 to 5000 m
0 to 16,400 feet
0 to 40,000 feet
0 to 12192 m
Power Consumption (maximum)
28 watts (LE2001w)
24.6 watts (LE2001wl)
Input Terminal
One VGA connector with cable included
32
Appendix B Technical Specifications
ENWW
LE2001wm Model
Table B-3 LE2001wm Specifications
Display
Type
50.8 cm wide screen
TFT LCD
20 inches wide screen
20 inch diagonal
Viewable Image Size
50.8 cm diagonal
1 watt per channel
-5 to 25°
Speakers
Tilt
Maximum Weight (Unpacked)
5.04 kg
11.11 lbs.
Dimensions (include base)
36.05 cm
20.6 cm
14.19 inches
8.11 inches
18.84 inches
Height
Depth
Width
47.86 cm
Maximum Graphic Resolution
Optimum Graphic Resolution
Text Mode
1600 x 900 (60Hz) analog input
1600 x 900 (60Hz) analog input
720 × 400
Dot Pitch
0.2835 (H) × 0.2835 (W) mm
24 to 85 kHz
Horizontal Frequency
Vertical Refresh Rate
48 to 76 Hz
Environmental Requirements Temperature
0 to 35° C
32 to 95° F
-4 to 140° F
Operating Temperature
Storage Temperature
-20 to 60° C
Relative Humidity
Power Source
20 to 80%
100 – 240 VAC, 50/60 Hz
Altitude:
Operating
Storage
0 to 5000 m
0 to 16,400 feet
0 to 40,000 feet
0 to 12192 m
Power Consumption (maximum)
Input Terminal
28 watts
One VGA connector with cable included;
one DVI connector with cable included
ENWW
LE2001wm Model
33
Recognizing Preset Display Resolutions
The display resolutions listed below are the most commonly used modes and are set as factory defaults.
This monitor automatically recognized these preset modes and they will appear properly sized and
centered on the screen.
LE1851w, LE1851wl, and LE1851wt Models
Table B-4 Factory Preset Modes
Preset Pixel Format
Horz Freq (kHz)
31.469
31.469
37.879
48.363
45.0
Vert Freq (Hz)
59.940
70.087
60.317
60.004
60.00
1
2
3
4
5
6
7
8
640 x 480
720 x 400
800 x 600
1024 x 768
1280 x 720
1280 x 960
1280 x 1024
1366 x 768
60.00
60.00
63.98
60.02
47.7
60.00
LE2001w, LE2001wl, and LE2001wm Models
Table B-5 Factory Preset Modes
Preset Pixel Format
Horz Freq (kHz)
31.469
31.469
37.879
48.363
45.0
Vert Freq (Hz)
59.940
70.087
60.317
60.004
60.00
1
2
3
4
5
6
7
8
640 x 480
720 x 400
800 x 600
1024 x 768
1280 x 720
1280 x 1024
1440 x 900
1600 x 900
63.98
60.02
55.94
59.89
60.00
60.00
34
Appendix B Technical Specifications
ENWW
Entering User Modes
The video controller signal may occasionally call for a mode that is not preset if:
You are not using a standard graphics adapter.
You are not using a preset mode.
●
●
It this occurs, you may need to readjust the parameters of the monitor screen by using the on-screen
display. Your changes can be made to any or all of these modes and saved in memory. The monitor
automatically stores the new setting, then recognized the new mode just as it does a preset mode. In
addition to the factory preset modes, there are 10 user modes (LE1851w model) or 15 user modes
(LE2001w and LE2001wm models) that can be entered and stored.
Energy Saver Feature
The monitor supports a reduced power state. The reduced power state will be entered into if the
monitor detects the absence of either the horizontal sync signal and/or the vertical sync signal. Upon
detecting the absence of these signals, the monitor screen is blanked, the backlight is turned off, and
the power light is turned amber. When the monitor is in the reduced power state, the monitor will utilize
less than 2 watts of power. There is a brief warm up period before the monitor will return to its normal
operating mode.
Refer to the computer manual for instructions on setting energy saver features (sometimes called power
management features).
NOTE: The above power saver feature only works when connected to computers that have energy
saver features.
By selecting the settings in the monitor's Energy Saver utility, you can also program the monitor to enter
into the reduced power state at a predetermined time. When the monitor's Energy Saver utility causes
the monitor to enter the reduced power state, the power light blinks amber.
ENWW
Entering User Modes
35
C 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. This equipment generates, uses, and can
radiate radio frequency energy and, if not installed and used in accordance with the 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 the receiver.
Connect the equipment into an outlet on a circuit different from that to which the receiver is
connected.
Consult the dealer or an experienced radio or television technician for help.
●
Modifications
The FCC requires the user to be notified that any changes or modifications made to this device that are
not expressly approved by Hewlett Packard Company may void the user's authority to operate the
equipment.
Cables
Connections to this device must be made with shielded cables with metallic RFI/EMI connector hoods to
maintain compliance with FCC Rules and Regulations.
Declaration of Conformity for Products Marked with
the FCC Logo (United States Only)
This device complies with Part 15 of the FCC Rules. Operation is subject to the following two
conditions:
1. This device may not cause harmful interference.
2. This device must accept any interference received, including interference that may cause undesired
operation.
For questions regarding the product, contact:
Hewlett Packard Company
P. O. Box 692000, Mail Stop 530113
Houston, Texas 77269-2000
36
Appendix C Agency Regulatory Notices
ENWW
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.
Canadian Notice
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing Equipment
Regulations.
Avis Canadien
Cet appareil numérique de la classe B respecte toutes les exigences du Règlement sur le matériel
brouilleur du Canada.
European Union Regulatory Notice
Products bearing the CE marking comply with the following EU Directives:
Low Voltage Directive 2006/95/EC
●
●
●
EMC Directive 2004/108/EC
Ecodesign Directive 2009/125/EC, where applicable
CE compliance of this product is valid if powered with the correct CE-marked AC adapter provided by
HP.
Compliance with these directives implies conformity to applicable harmonized European standards
(European Norms) that are listed in the EU Declaration of Conformity issued by HP for this product or
product family and available (in English only) either within the product documentation or at the
The compliance is indicated by one of the following conformity markings placed on the product:
For non-telecommunications products and for EU
harmonized telecommunications products, such as
Bluetooth® within power class below 10mW.
For EU non-harmonized telecommunications
products (If applicable, a 4-digit notified body
number is inserted between CE and !).
Please refer to the regulatory label provided on the product.
ENWW
Canadian Notice
37
The point of contact for regulatory matters is: Hewlett-Packard GmbH, Dept./MS: HQ-TRE,
Herrenberger Strasse 140, 71034 Boeblingen, GERMANY.
German Ergonomics Notice
HP products which bear the “GS” approval mark, when forming part of a system comprising HP brand
computers, keyboards and monitors that bear the “GS” approval mark, meet the applicable ergonomic
requirements. The installation guides included with the products provide configuration information.
Japanese Notice
Korean Notice
Power Cord Set Requirements
The monitor power supply is provided with Automatic Line Switching (ALS). This feature allows the
monitor to operate on input voltages between 100–120V or 200–240V.
The power cord set (flexible cord or wall plug) received with the monitor meets the requirements for use
in the country where you purchased the equipment.
If you need to obtain a power cord for a different country, you should purchase a power cord that is
approved for use in that country.
The power cord must be rated for the product and for the voltage and current marked on the product's
electrical ratings label. The voltage and current rating of the cord should be greater than the voltage
and current rating marked on the product. In addition, the cross-sectional area of the wire must be a
minimum of 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.
A power cord should be routed so that it is not likely to be walked on or pinched by items placed upon
it or against it. Particular attention should be paid to the plug, electrical outlet, and the point where the
cord exits from the product.
38
Appendix C Agency Regulatory Notices
ENWW
Japanese Power Cord Requirements
For use in Japan, use only the power cord received with this product.
CAUTION: Do not use the power cord received with this product on any other products.
Product Environmental Notices
ENERGY STAR® Qualification
HP Displays marked with the ENERGY STAR® certification mark meet the requirements of the U.S.
Environmental Protection Agency (EPA) ENERGY STAR program. The EPA ENERGY STAR® certification
mark does not imply endorsement by the EPA. As an ENERGY STAR Partner, Hewlett Packard
Company has determined that this product meets the ENERGY STAR® program requirements for
display energy efficiency.
The following ENERGY STAR® certification mark appears on all ENERGY STAR qualified displays:
The ENERGY STAR® program specifications for displays and computers were created by the EPA to
promote energy efficiency and reduce air pollution through more energy-efficient equipment in homes,
offices, and factories. One way products achieve this goal is by using the Microsoft Windows power
management feature to reduce power consumption when the product is not in use.
The power management feature enables the computer to initiate a low-power or “sleep” mode after a
period of user inactivity. When used with an external ENERGY STAR® qualified display, this feature
also supports similar power management features for the display. To take advantage of these potential
energy savings, users should use the default power management settings that are provided with
ENERGY STAR qualified computers and displays. The default power management settings on ENERGY
STAR qualified computers are preset to behave in the following ways when the system is operating on
AC power:
Turn off an external display after 15 minutes of user inactivity
●
●
Initiate a low power sleep mode for the computer after 30 minutes of user inactivity
ENERGY STAR® qualified computers exit the low power sleep mode and ENERGY STAR qualified
displays resume operation when the user resumes use of the computer. Examples include the user
pressing the power/sleep button, receiving an input signal from an input device, receiving an input
signal from a network connection with the Wake On LAN (WOL) feature enabled, etc.
Additional information on the ENERGY STAR® program, its environmental benefits and the potential
energy and financial savings of the power management feature can be found on the EPA ENERGY
ENWW
Product Environmental Notices
39
Materials Disposal
Some HP products contain 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)
Disposal of Waste Equipment by Users in Private Household in the
European Union
This symbol on the product or on its packaging indicates that this product must not be disposed of with
your household waste. Instead, it is your responsibility to dispose of your waste equipment by handing
it over to a designated collection point for the recycling or waste electrical and electronic equipment.
The separate collection and recycling of your waste equipment at the time of disposal will help to
conserve natural resources and ensure that it is recycled in a manner that protects human health and
the environment. For more information about where you can drop off your waste equipment for
recycling, please contact the local city office, the household waste disposal service or the shop where
you purchased the product.
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 http://www.hp.com/
Chemical Substances
HP is committed to providing our customers with information about the chemical substances in our
products as needed to comply with legal requirements such as REACH (Regulation EC No 1907/2006
of the European Parliament and Council). A chemical information report for this product can be found
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. To view the JIS C 0950 material declaration for this product, visit
40
Appendix C Agency Regulatory Notices
ENWW
D LCD Monitor Quality and Pixel
Policy
The TFT monitor uses high-precision technology, manufactured according to HP standards, to guarantee
trouble-free performance. Nevertheless, the display may have cosmetic imperfections that appear as
small bright or dark spots. This is common to all LCD displays used in products supplied by all vendors
and is not specific to the HP LCD. These imperfections are caused by one or more defective pixels or
sub-pixels.
A pixel consists of one red, one green, and one blue sub-pixel.
●
●
A defective whole pixel is always turned on (a bright spot on a dark background), or it is always
off (a dark spot on a bright background). The first is the more visible of the two.
A defective sub-pixel (dot defect) is less visible than a defective whole pixel and is small and only
visible on a specific background.
●
To locate defective pixels, the monitor should be viewed under normal operating conditions, in normal
operating mode at a supported resolution and refresh rate, from a distance of approximately 50 cm
(20 in).
HP expects that, over time, the industry will continue to improve its ability to produce LCDs with fewer
cosmetic imperfections and HP will adjust guidelines as improvements are made.
42
Appendix D LCD Monitor Quality and Pixel Policy
ENWW
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