Lenovo ThinkVision L2251X User Manual

Contents
Safety information ……………………………………………………………………iii
Safety and Maintenance Guidelines ………………...…………………………………iv
Chapter 1. Getting started ……………………………….…………………………1-1
Shipping contents ………………………………………………………………………………………..… 1-1
Product overview ………………………………………………………………………………………..… 1-2
Types of adjustments ……………………………………………………………………………………... 1-2
User controls ……………………………………………………………………………………………… 1-3
Cable lock slot ……………………………………………………………………………………………. 1-4
Setting up your monitor ……………………………………………………………………………………... 1-4
Connecting and turning on your monitor ………………………………………………………………… 1-4
Chapter 2. Adusting and using your monitor …………………………………………..2-1
Comfort and accessibility …………………………………………………………………………………… 2-1
Arranging your work area ………………………………………………………………………………... 2-1
Quick tips for healthy work habits ……………………………………………………………………….. 2-2
Accessibility information ………………………………………………………………………………… 2-2
Adjusting your monitor image ……………………………………………………………………………… 2-3
Using the direct access controls ………………………………………………………………………….. 2-3
Using the On-Screen Display (OSD) controls …………………………………………………………… 2-3
Selecting a supported display mode ……………………………………………………………………….... 2-5
Understanding power management …………………………………………………………………………. 2-6
Caring for your monitor ………………………………………………………………………………………2-7
Detaching the monitor stand ………………………………………………………………………………… 2-7
Chapter 3. Reference information ………………………………………………..……..3-1
Monitor specifications ………………………………………………………………………………………..3-1
Troubleshooting ………………………………………………………………………………………………3-2
Manual Image setup ……………………………………………………………………………………….3-3
Manually installing the monitor driver …………………………………………………………………… 3-4
Service information ………………………………………………………………………………………..3-7
Appendix A. Service and Support …………………………………………..…………...A-1
Online technical support ………………………………………………………………………..……………. A-1
Telephone technical support ………………………………………………………………………..………... A-1
Worldwide telephone list …….…………………………………………………………………….……… A-1
Appendix B. Notices ………………………………………………………………….……B-1
Trademarks …………………………………………………………………………………………………… B-3
Turkish statement of compliance.................................. ……………………………………………………… B-4
Recycling information ……………………………………………………………………………………… B-2
Copyright Lenovo 2009. ii
Registering your option ……………………………………………………………………………………... 1-
8
Using the GreenLite software controls …………………………...........………………………………… 2-4

Lenovo ThinkVision L2251X Specifications

General

Pixel pitch	0.282 x 0.282 mm
Aspect ratio	16:10
Display diagonal	22 \
Separate H/V sync	Yes
Display resolution	1680 x 1050 pixels
Viewable size diagonal	559 mm
Viewable size, vertical	296.1 mm
Viewing angle, vertical	160 °
Contrast ratio (typical)	1000:1
Viewable size, horizontal	437.8 mm
Viewing angle, horizontal	170 °
Display brightness (typical)	250 cd/m²
Power requirements	100-240V, 50/60Hz
Display viewable area (HxV)	437.8 x 296.1 mm
USB hub version	2.0
DVI-I ports quantity	0
USB Type-A downstream ports quantity	3
Power consumption (standby)	1 W
Power consumption (typical)	21 W
Product color	Black
Market positioning	Business
LED indicators	Stand-by
Tilt angle range	0 - 30 °
Height adjustment	110 mm
Cable lock slot type	Kensington
Panel mounting interface	100 x 100 mm
Sustainability certificates	ENERGY STAR

Weight and Dimensions

Depth (without stand)	233 mm
Width (without stand)	291 mm
Height (without stand)	453 mm
Weight (without stand)	5630 g