Lenovo Thinkvision L2251x Users Guide

							

 
1-6  

 
 
 
 
 
 
						

							
Rotate the head of the monitor into portrait view. 

 
 
 

 
 
 
 
 
6.
7.  
Chapter 1. Getting started   1-7  
 
						

							
Replace the Cable Cove r. 

 
 
dr iver , and follow the on-screen instructions. 

 
 
 

 
 
 
 
 
8. 
9.  Power on the monitor and the computer. 
10.  To install the monitor driver, insert the Reference and Driver CD, click  Install 
1-8  L2251x Wide Flat Panel Monitor User’s Guide 
 
						

							
 
 
 
 
Image Setup key. Automatic image setup requ ires that the monitor is warmed up for 
 
 
 
 
 
 
 
 
 
 
 
 
 
Note : If automatic image setup does not esta blish the image that you prefer, perform 
manual image setup. See “Manual image setup” on page 3-2. 
 
   
Registering your option 

register your product and provide us wi th information that will help Lenovo to 
better serve you in the future. Your feedba ck is valuable to us in developing 
products and services that  are important to you, as well as in developing better 
ways to communicate with you. Register  your option on the following Web site: 
http://www.lenovo.com/register 
Lenovo will send you information and upda tes on your registered product unless 
you indicate on the Web site questionnaire  that you do not want to receive further 
information
. 
 
 
 
   
  
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
 
 
 
 
Thank you for purchasing this Lenovo  product. Please take a few moments to ®
11. To optimize your monitor image, if using the analog cable, press the Automatic 
Chapter 1. Getting started   1-9  
at least 15 minutes. This is not required if you are using the DP cable. 
 
						

							
 
 
 
 
Chapter 2. Adjusting and using your monitor 
This section will give you information on adjusting and using your monitor. 
 
Comfort and accessibility 
Good ergonomic practice is important  to get the most from your personal 
computer and to avoid discomfort. Arra nge your workplace and the equipment 
you use to suit your individual needs and  the kind of work that you perform. In 
addition, use healthy work habits to  maximize your performance and comfort 
while using your computer. 
 
For more detailed information on any of  these topics, visit the Healthy Computing 
Web site at: http://www.lenovo.com/healthycomputing
 
Arranging your work area 
Use a work surface of appropriate height  and available working area to allow you 
to work in comfort. 
 
Organize you work area to match the  way you use materials and equipment. 
Keep your work area clean and clear for  the materials that you typically use and   
place the items that you use most freque ntly, such as the computer mouse or 
telephone, within the easiest reach. 
 
Equipment layout and setup play a larg e role in your working posture. The 
following topics describe how to opti mize equipment setup to achieve and 
maintain good working posture. 
Positioning and viewing your monitor 
Position and adjust your computer monitor for comfortable viewing by considering 
the following items: 
●   Viewing distance:  Optimal viewing distances for monitors range from 
approximately 510mm to 760mm (20 in to 30 in) and can vary depending on 
ambient light and time of day. You can achieve different viewing distances by 
repositioning your monitor or by modify ing your posture or chair position. Use 
a viewing distance that is most comfortable for you. 
●   Monitor height: Position the monitor so your head and neck are in a 
comfortable and neutral (vertical, or upri ght) position. If your monitor does not 
have height adjustments, you might have  to place books or other sturdy objects 
under the base of the monitor to achieve the desired height. A general guideline 
is to position the monitor such that the to p of the screen is at or slightly below 
your eye-height when you are comfortably  seated. However, be sure to optimize 
your monitor height so the line of site  between your eyes and the center the   
monitor suits your preferences for visu al distance and comfortable viewing 
when your eye muscles are in a relaxed stated. 
●   Tilt : Adjust the tilt of your monitor to op timize the appearance of the screen   
content and to accommodate your  preferred head and neck posture.
 
●   General location: Position your monitor to avoid glare or reflections on the   
screen from overhead light ing or nearby windows. 
 
The following are some other tips for co mfortable viewing of your monitor: 
 
 
 
 
 
   
 
 
  Copyright Lenovo 2009.                                                                                  2-1
 
						

							
 
 
 
 
 
●   Use adequate lighting for the type of work you are performing. 
●   Use the monitor brightness, contrast, and image adjustment controls, if 
equipped, to optimize the image on your sc reen to meet your visual preferences. 
●   Keep your monitor screen clean so yo u can focus on the screen’s contents. 
 
Any concentrated and sustained visual activi ty can be tiring for your eyes. Be sure 
to periodically look away  from your monitor screen an d focus on a far object to 
allow your eye muscles to relax. If you  have questions on eye fatigue or visual 
discomfort, consult a vision care specialist for advice. 
Quick tips for healthy work habits 
The following information is a summary of  some important factors to consider to   
help you remain comfortable and productive while you use your computer. 
●   Good posture starts with equipment setup:  The layout of your work area and   
the setup of your computer equipment have  a large effect on your posture while   
using your computer. Be sure to optimize  the position and orientation of your   
equipment by following the tips outlined  in “Arranging your work area ” on   
page 2-1 so you can maintain a comforta ble and productive posture. Also, be   
sure to use the adjustment capabilities of  your computer components and office   
furniture to best suit your  preferences now and as your  preferences change over   
time. 
●   Minor changes in posture can help avoid discomfort: The longer you sit and   
work you’re your computer, the more important it is to observe your working   
posture. Avoid as summing any one postur e for an extended period of time.   
Periodically make minor modifications  in your posture to help deter any   
discomforts that might arise. Make use  of any adjustments that your office   
furniture or equipment provide to  accommodate changes in posture 
●   Short, periodic breaks help ensure healthy computing:  Because computing is   
primarily a static activity, it is particul arly important to take short breaks from 
your work. Periodically, stand up you’re yo ur work area, stretch, walk for a drink   
of water, or otherwise take a short break from using your computer. A short   
break from work gives your body a welc ome change in posture and helps to   
ensure you remain comfortable and productive while you do work.
 
Accessibility information 
Lenovo is committed to providing greater  access to information and technology to   
people with disabilities. With assistive te chnologies, users can access information in   
the way most appropriate to their disability.  Some of these technologies are already   
provided in your operating system; others  can be purchased through vendors or   
accessed at:   
http://www-03.ibm.com/research/accessibility/requests/accvpat.nsf/lenovo-bidx?OpenForm 
 
 
 
 
 
 
 
 
 
 
   
 
 
 
 
2-2  L2251x Wide Flat Panel Monitor User’s Guide 
 
						

							
 
 
  
Adjusting your monitor image 
This section describes the user control features used to adjust your monitor image. 
 
 
 
 Chapter 2. Adjusting and using your monitor   2-3 
 
 
 
 
     
 
Using the direct access controls 
The direct access controls can be used wh en the On Screen Display (OSD) is not   
displayed. 
 
Note:  The direct access controls are blue. 
Table 2-1. Direct access controls 
Icon Control  Description 
 Input Change Switches the video input source. 
 Image Setup  Activates automatic image adjustment. 
 Brightness    Direct access to Brightness adjustment. 
 
Using the On-Screen Display (OSD) controls 
The settings adjustable with the user cont rols are viewed through the On-Screen   
Display (OSD), as shown below. 
 
 
 
 
 
 
 
 
 
 
 
 
 
To use the controls: 
1.   Press 
2.  Use  or   to move among the icons. Select an icon and press  to access  
that function. If there is a sub-menu , you can move between options using 
  
or 
  , then press   to select that function. Use   or  to make adjustments.  
Press 
 to save. 
(picture 1) (picture 2)
  to open the main OSD menu(picture 1). 
 
						

							
 
 
  
4.  Press and hold   for 10 seconds to lock the OSD. This will prevent accidental   
adjustments to the OSD. Press and hold 
  for 10 seconds to unlock the OSD   
and allow adjustments to the OSD.   
5.   Enables DDC/CI by default. Use OS D Exit Key, press and hold the
 buttons for       
 
 
CI/Enable shows on the screen. 

 
 
Chapter 2. Adjusting and using your monitor   2-4
 
 
 
 
10 seconds to disable/enable DDC/CI function. The words  DDC/CI Disable/DDC/       

 
 
 
  
   
 
   
 
 
  
 
press AUTOSCAN to go back to Auto Scan mode. 
 
No sync,No Cable or power Saving Mode.press        or        to
 choose input signal. 
6.     Press Exit Key to enter the input Signal meun(picture 2) when the monitor    is under
 the condition of
Using the Environment Sensing Utilities software controls 
To use the controls:
1. Install the driver of camera from CD.
2. Install the 
Environment Sensing Utilities  software from CD.

3. Open the 
Environment Sensing Utilities It can help you to use the display and computer in 

 a healthier w ay
  by functions as 
follows :

a) Brightness Adjustment   The Built-in camera of the display will detect the intensity  of the ambient 
 light,   and set the display to 
   an appropriate brightness.

b) Auto Power Saving   The Built-in camera of the display will automatically detect  whether the 
 user is in front of the display or not. 
   If the user is not in front of the display over a certain pe riod of time
, 
 the display will automatically enter the power sa ving 
mode.
4. You can upgrade the 
Environment Sensing Utilities  from the website: 
http://www-307.ibm.com/pc/support/site.wss/document.do?lndocid=ENVR-SENS\
ING
 3.   Press   to move backwards through the sub-menus and exit from the OSD. 
 
						

							
 
 
 
 
 
Table 2-2. OSD functions 
OSD Icon on Main Menu  Submenu Descirption 
Controls and 
Adjustments  
(Analog)  Controls and 
Adjustments  (Digital) 
 Brightness  Adjusts overall brightness  
   
 
 
 
 
 
 
Brightness/  Contrast 
 
  Contrast  Adjusts difference between 
light and dark areas  
 
 
 
Same as Analog 
 Horizontal Position 
  Moves the image left or 
right.  
 
 
  
 
Image Position 
 Vertical Position  Moves the image up or   
down  
 
 
 
 
Automatic  Automatically optimizes the image.    
 
Image Setup 
 
Manual  Manually optimizes the image. See “Manual image 
setup” on page 3-3 
●    Clock 
●    Phase 
●    Save  Control Locked- 
 
not required for 
digital input 
 
 
Color   Adjusts intensity of red, green, and blue. 
 Preset mode 
●    
Reddish
  
●    sRGB 
●    
Neutral 
  
●    Bluish 
Custom 
●    Red: Increases or decreases the saturation of   
‘red’ in the image.  
●    Green: Increases or decreases the saturation of 
    ‘green’ in the image. 
●    Blue: Increases or decreases the saturation of 
  ‘blue’ in the image. 
●    Save: Saves the custom color choices.  
 
 
Image Properties 
 Same as A
nalog  
 

 
2-
5  
 
 
 
 L2251x Wide Flat Panel Monitor User’s Guide 
 
Input Signal  This monitor can accept video signals through two 
different connectors. Most desktop computers use   
a D-SUB connector. Select digital among OSD 
Controls when you use DP connector. 
- Selects D-SUB (Analog) 
- Selects DP-Digital  Same as Analog 
 
						

							
 
 
 
 
 
Table 2-2. OSD functions 
OSD Icon on Main Menu  Submenu Descirption 
Controls and 
Adjustments  
(Analog)  Controls and 
Adjustments  (Digital) 
 
 
Information  Shows resolution, refresh rate, and product details. 
Note: This screen does not allow any changes to the 
settings. 
 
Menu Language  This section lists the lang
uages supported by your 
monitor.  
Note: The language chosen only affects the 
language of the OSD. It has no effect on any 
software running on the computer.
 
Same as Analog 
 
Menu Position 
Default 
Custom  Menu position adjusts me
nu location on the   
screen. 
 
Returns the menu position to the default settings. 
 
●   
Horizontal: Changes the ho rizontal position of 
the OSD 
●   Vertical: Changes the vertical position of the  OSD. 
●   Save 
 
Factory Default
 
Options 
 
Accessibility 
●   Cancel 
●   Reset 
Reset monitor to original settings. 
Controls button and menu settings for accessibility 
preferences. 
 Button repeat rate: 
Select 
 or  to change.  
●   Off 
●   Default 
●   Slow 
  Menu time out: Sets the length of time the   
OSD will remain active after the last time a button   
is pressed.  Same as Analog 
 Exit 
 
Exit the main menu  Same as Analog 
 
 

 
   
 
Chapter 2. Adjusting and using your monitor   2-6
 
 
 
 
 
Scaling ●    O ff (Original AR) 
●    On (Full) 
 
 
 Same Aspect Ratio with input signal.
 Expand image size to full screen.