Dell U2412m manuale d’uso

Dell™U2412MMonitorUser'sGuide Notes, Notices, and Cautions  Information in this document is subject to change without notice. © 2011DellInc.Allrightsreserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this te[...]

Back to Contents Page  About Your Monitor Dell™U2412MMonitorUser'sGuide Package Contents Your monitor ships with the components shown below. Ensure that you have received all the components and contact Dell if something is missing.  Package Contents Product Features Identifying Parts and Controls Monitor Specifications Plug[...]

 Product Features The U2412M flat panel display has an active matrix, Thin - Film Transistor (TFT), Liquid Crystal Display (LCD). The monitor features include: ■ 60.96 cm (24 - inch) viewable area display (measured diagonally). 1920 x 1200 resolution, plus full - screen support for lower resolutions. ■ Wide viewing angle to allow viewing fro[...]

Back View Front view Front panel controls Label Description 1 Preset Modes (default, but configurable) 2 Brightness & Contrast (default, but configurable) 3 Menu 4 Exit 5 Power (with power light indicator) Back view Back view with monitor stand Label Description Use 1 VESA mounting holes (100 mm x 100 mm - behind attached VESA Plate ) Wall moun[...]

Side View Bottom View Left view R ight view Bottom view Bottom view with monitor stand Label Description Use 1 AC power cord connector Connect the power cable 2 DC power connector for Dell Soundbar Connect the power cord for the soundbar (optional) 3 DisplayPort connector Connect your computer DP cable 4 DVI connector Connect your computer DVI cabl[...]

Monitor Specifications Flat Panel Specifications *[U2412M] color gamut (typical) is based on CIE1976 ( 82% ) and CIE1931 (72%) test standards. Resolution Specifications Supported Video Modes Preset Display Modes U2412M Model U2412M Screen type Active matrix - TFT LCD Panel type IPS Screen dimensions 60.96 cm (24 - inches viewable image size) Preset[...]

Electrical Specifications Physical Characteristics Environmental Characteristics VESA, 1680 x 1050 64.7 59.9 119.0 +/ - VESA, 1920 x 1080 66.6 59.9 138.5 +/ - VESA, 1920 x 1200 74.0 60.0 154.0 - /+ Model U2412M Video input signals Analog RGB, 0.7 Volts +/ - 5%, positive polarity at 75 ohm input impedance Digital DVI - D TMDS, 600mV for each differe[...]

Power Management Modes IfyouhaveVESA'sDPM™compliancedisplaycardorsoftwareinstalledinyourPC,themonitorcanautomaticallyreduceitspowerconsumptionwhennotin use. This is referred to as Power Save Mode *. If the computer detects input from the keyboard, mouse, or other inpu[...]

DVIConnector DisplayPort Connector 3 Video - Blue 4 GND 5 Self - test 6 GND -R 7 GND -G 8 GND -B 9 Computer 5V/3.3V 10 GND - sync 11 GND 12 DDC data 13 H- sync 14 V- sync 15 DDC clock Pin Number 24 - pin Side of th e C o nnected Signal Cable 1 TMDS RX2 - 2 TMDS RX2+ 3 TMDS Ground 4 Floating 5 Floating 6 DDC Clock 7 DDC Data 8 Floating 9 TMDS RX1[...]

Plug and Play Capability You can install the monitor in any Plug and Play - compatible system. The monitor automatically provides the computer system with its Extended Display Identification Data (EDID) using Display Data Channel (DDC) protocols so the system can configure itself and optimize the monitor settings. Most monitor installations are aut[...]

USB Downstream C onnector USB P orts l 1 upstream - back l 4 downstream - 2 on the back; 2 on the left side  LCD Monitor Quality and Pixel Policy During the LCD Monitor manufacturing process, it is not uncommon for one or more pixels to become fixed in an unchanging state which are hard to see and do not affect the display quality or usability. [...]

Back to Contents Page  Appendix Dell™U2412MMonitorUser'sGuide  Safety Instructions  FCC Notice (U.S. Only) and Other Regulatory Information  Contacting Dell  WARNING: Safety Instructions For information on safety instructions, see the Product Information Guide . FCC Notices (U.S. Only) and Other Regulatory[...]

Back to Contents Page Help on PowerNap Installation To install PowerNap succesfully, follow these steps: - Back to Contents Page 1.CheckOperatingSystemRequirements Windows XP, Windows Vista ® , Windows ® 7 2. Install Entech API Install 3.InstallPowerNapSoftware Install[...]

Back to Contents Page Setting Up Your Monitor Dell™U2412MMonitor IfyouhaveaDell™desktoporaDell™portablecomputerwithinternetaccess 1. Go to http://support.dell.com , enteryourservicetag,anddownloadthelatestdriverforyourgraphicscard. 2. After installing th[...]

Back to Contents Page Setting Up Your Monitor Dell™U2412MMonitor IfyouhaveanonDell™desktop,portablecomputer,orgraphicscard In Windows XP: 1. Right - click on the desktop and click Properties . 2. Select the Settings tab. 3. Select Advanced . 4. Identify your graphics controller supplier from the descrip[...]

Back to Contents Page  Operating the Monitor  Dell™U2412MMonitorUser'sGuide  Using the Front Panel Controls  Using the On - Screen Display (OSD) Menu  PowerNap Software  Setting the Maximum Resolution  Using the Dell Soundbar (Optional)  Using the Tilt, Swivel, and Vertical Extension ?[...]

Using the On - Screen Display (OSD) Menu   Accessing the Menu System 1. Push the button to launch the OSD menu and display the main menu. Main Menu for analog (VGA) input or Main Menu for digital (DVI) input Exit 5 Power (withpowerlight indicator) Use the Power button to turn the monitor on and off. The blue LED indicates the moni[...]

or Main Menu for display (DP) input 2.  Push the and buttons to move between the setting options. As you move from one icon to another, the option name is highlighted. See the followingtableforacompletelistofalltheoptionsavailableforthemonitor. 3.  Push the buttononcetoactivatethehighli[...]

6.  Select the button to return to the main menu. Icon Menu and Submenus Description   Brightness / Contrast Use this menu to activate Brightness/Contrast adjustment.  Brightness Brightness adjusts the luminance of the backlight. Push the button to increase brightness and push the button to decrease brightness (min 0 ~ max 100). NOTE: M[...]

Input Source Use the Input Source menu to select between different video signals that may be connected to your monitor.   Auto S elect Push to select Auto Select , the monitor will auto detect either VGA input or DVI - D input or DislpayPort input. VGA Select VGA input when you are using the analog (VGA) connector. Push to select the VGA inpu[...]

 Gamma Allows you to set the color mode to PC or MAC.   Preset Modes When you select Preset Modes , you can choose Standard , Multimedia , Movie , Game , Text , Color Temp. or Custom Color from the list. l Standard : Loads the monitor's default color settings. This is the default preset mode. l Multimedia : Loads color settings [...]

 Hue This feature can shift the color of the video image to green or purple. This is used to adjust the desired flesh tone color. Use to adjust the hue from '0' to '100'. Press to increase the green shade of the video image. Press to increase the purple shade of the video image. NOTE: Hue adjustment is available only when you[...]

 Display Settings Use the Display Settings to adjust image. [...]

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Back to Contents Page Setting Up Your Monitor Dell™U2412MMonitor Setting the display resolution to 1920 x 1200 ( maximum) For maximum display performance with Microsoft ® Windows ® operating systems, set the display resolution to 1920 x 1200 pixels by performing the following steps: In Windows XP: 1. Right - click on the desktop and cl[...]

Dell™U2412MMonitor Information in this document is subject to change without notice. © 2011DellInc.Allrightsreserved. Reproduction of these materials in any manner whatsoever without the written permission of Dell Inc. is strictly forbidden. Trademarks used in this text: Dell and the DELL logo are trademarks of Dell In[...]

Back to Contents Page  Setting Up the Monitor Dell™U2412MMonitorUser'sGuide  Attaching the Stand  Connecting the Monitor  Organizing Your Cables  Attaching the Soundbar (optional)  Removing the Stand   Wall Mounting (Optional) Attaching the Stand To attach the monitor stand: 1. Remove the[...]

2. Connect the white (digital DVI - D) or the blue (analog VGA) or the black (DisplayPort) display connector cable to the corresponding video port on the back ofyourcomputer.Donotusethethreecablesonthesamecomputer. Use all cables only when they are connected to three different computers with appropriate video sys[...]

Organizing Your Cables  After attaching all necessary cables to your monitor and computer, (See Connecting Your Monitor forcableattachment,)organizeallcablesasshownabove. Attaching the Soundbar (Optional) To attach the Soundbar: Removing the Stand CAUTION: Donotusewithanydeviceotherthanthe[...]

To remove the stand: 1. Place the monitor on a flat surface. 2. P ress and hold the stand release button. 3. Lift the stand up and away from the monitor.  Wall Mounting (Optional) (Screw dimension: M4 x 10 mm). Refer to the instructions that come with the VESA - compatible wall mounting kit. 1. Place the monitor panel on a soft cloth or cushion [...]

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Back to Contents Page  Troubleshooting Dell™U2412MMonitorUser'sGuide  Self - Test  Built - in Diagnostics  Common Problems  Product Specific Problems  Universal Serial Bus Specific Problems  Dell Soundbar Problems  Self - Test Your monitor provides a self - test feature that allows you to[...]

To run the built - in diagnostics: 1. Ensure that the screen is clean (no dust particles on the surface of the screen). 2. Unplug the video cable(s) from the back of the computer or monitor. The monitor then goes into the self - test mode. 3. Press and hold Button 1 and Button 4 on the front panel simultaneously for 2 seconds. A gray screen appears[...]

Product Specific Problems Universal Serial Bus (USB) Specific Problems NOTE: When using DVI - D input, the positioning adjustments are not available. Horizontal/Vertical Lines Screen has one or more lines l Reset the monitor to Factory Settings. l Perform Auto Adjust via OSD. l Adjust Phase and Pixel Clock controls via OSD. l Perform monitor self -[...]

Dell™Soundbar Problems Back to Contents Page Common Symptoms What You Experience Possible Solutions No Sound No power to Soundbar - the power indicator is off l Turn the Power/Volume knob on the Soundbar clockwise to the middle position; check if the power indicator (Blue LED) on the front of the Soundbar is illuminated. l Confirm that the pow[...]