Dell U2412Mb manuale d’uso

Dell™ U2412M Monitor User's Guide About Your Monitor Setting Up the Monitor Operating the Monitor Troubleshooting Appendix Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you ho[...]

Back to Contents Page About Your Monitor Dell™ U2412M Monitor User's Guide Package Contents Product Features Identifying Parts and Controls Monitor Specifications Plug and Play Capability Universal Serial Bus (USB) Interface LCD Monitor Quality and Pixel Policy Maintenance Guidelines Package Contents Your monitor ships with the components sh[...]

USB upstream cable (enables the USB ports on the monitor) Drivers and Documentation media Quick Setup Guide Product and Safety Information Guide 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 ([...]

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 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 Left view R ight view Bottom 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[...]

Flat Panel Specifications Model U2412M Screen type Active matrix - TFT LCD Panel type IPS Screen dimensions 60.96 cm (24- inches viewable image size) Preset display area 518.4 (H) X 324.0 (V) mm Horizontal 518.4 mm (20.3 inches) Vertical 324.0 mm (12.7 inches) Pixel pitch 0.27 mm Viewing angle 178° (vertical) typical 178° (horizontal) typical Lum[...]

Video input signals Analog RGB, 0.7 Volts +/- 5%, positive polarity at 75 ohm input impedance Digital DVI - D TMDS, 600mV for each differential line, positive polarity at 50 ohm input impedance DP 1.1a signal input support Synchronization input signals TTL levels required and separate syncs (including Trigger points), SOG (Composite SYNC on green) [...]

129.66 BTU/hour (typical) 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 input devices, the monitor au[...]

14 V - sync 15 DDC clock DVI Connector 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 - 10 TMDS RX1+ 11 TMDS Ground 12 Floating 13 Floating 14 +5V/+3.3V power 15 Self test 16 Hot Plug Detect 17 TMDS RX0 - 18 TMDS RX0+ 19 TMDS Ground [...]

5 GND 6 ML1(n) 7 ML2(p) 8 GND 9 ML2(n) 10 ML3(p) 11 GND 12 ML3(n) 13 GND 14 GND 15 AUX(p) 16 GND 17 AUX(n) 18 HPD 19 DP_PWR Return 20 +3.3V DP_PWR 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) u[...]

Pin Number 4 -Pin Side of the Signal Cable 1 VCC 2 DMD 3 DPD 4 GND USB Ports 1 upstream - back 4 downstream - 2 on the back; 2 on the left side NOTE: USB 2.0 functionality requires a USB 2.0 - capable computer. NOTE: The monitor's USB interface works only when the monitor is on or in power save mode. If you turn off the monitor and then turn i[...]

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 NOTE: The stand is detached when the monitor is shipped from the factory. NOTE: This is applicable f[...]

NOTE: Do not connect the blue VGA, the white DVI, or the black DisplayPort cables to the computer at the same time. 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[...]

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) CAUTION: Do not use with any device other than the Dell Soundbar. NOTE: The Soundbar power connector (+12 V DC output) is for the optional[...]

Removing the Stand NOTE: To prevent scratches on the LCD screen while removing the stand, ensure that the monitor is placed on a soft, clean surface. NOTE: This is applicable for a monitor with a stand. When any other stand is bought, please refer to the respective stand setup guide for set up instructions. To remove the stand: 1 . Place the monito[...]

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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 Rotating the monitor Adjusting the Rotation Display Settings of[...]

Power (with power light indicator) Using the On- Screen Display (OSD) Menu Accessing the Menu System NOTE: If you change the settings and then either proceed to another menu or exit the OSD menu, the monitor automatically saves those changes. The changes are also saved if you change the settings and then wait for the OSD menu to disappear. 1. Push [...]

or Main Menu for display (DP) input NOTE: Auto Adjust is only available when you use the analog (VGA) connector. 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 butt[...]

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: Manual adjustment of Brightness is disabled when Energy Smart or Dynamic Contrast is switched on. Contrast Adjust Brightness first, and then adjust Contrast only if further adjustme[...]

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 input source. DVI-D Select DVI-D input when you are using the Digital (DVI) connector. Push to select the DVI input source. DisplayPo[...]

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. Standard : Loads the monitor's default color settings. This is the default preset mode. Multimedia : Loads color settings ideal for multimedia a[...]

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 or 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 [...]

Aspect Ratio Adjust the image ratio to Wide 16:10, 5:4 or 4:3. Horizontal Position Use or to adjust the image left or right. Minimum is '0' (- ). Maximum is '100' (+). Vertical Position Use or to adjust the image up or down. Minimum is '0' (- ). Maximum is '100' (+). NOTE: Horizontal Position and Vertical Pos[...]

Language Language options set the OSD display to one of the eight languages (English, Espanol, Francais, Deutsch, Brazilian Portuguese, Russian, Simplified Chinese or Japanese). Menu Transparency Select this option to change the menu transparency by pressing the and buttons (Minimum: 0 ~ Maximum: 100). Menu Timer OSD Hold Time: sets the length of t[...]

LCD Conditioning Helps reduce minor cases of image retention. Depending on the degree of image retention, the program may take some time to run. You can enable this feature by selecting "Enable". Factory Reset Reset all OSD settings to the factory preset values. Personalize Users can choose a feature from "Preset Modes", "B[...]

NOTE: This monitor has a built -in feature to automatically calibrate the brightness to compensate for LED aging. OSD Warning Messages When the Energy Smart or Dynamic Contrast feature is enabled (in these preset modes: Game or Movie), the manual brightness adjustment is disabled. When the monitor does not support a particular resolution mode, you [...]

If either VGA or DVI -D or DP input is selected and both VGA and DVI -D cables are not connected, a floating dialog box as shown below appears: or or When monitor enters Power Save mode, the following message appears: Activate the computer and wake up the monitor to gain access to the OSD . If you press any button other than the power button, one o[...]

The PowerNap software comes in the CD that shipped with the monitor you have just purchased. This software provides Power Saving mode for your monitor. The Power Saving mode lets users set the monitor to "Screen Dim" or "Sleep" when your PC enters the screen saver mode. 1. Screen Dim - the monitor dims to a minimum brightness le[...]

NOTES: OS support: Windows XP (32 and 64 bits), Vista (32 and 64 bits), Windows 7 (32 and 64 bits) Video interface support: VGA and DVI only. If you do not see the screen rotation, you may need to update your graphics driver. Depending on your computer, complete the following procedures: If you have a Dell desktop or portable computer: Go to suppor[...]

Tilt , Swivel With the stand attached to the monitor, you can tilt and swivel the monitor for the most comfortable viewing angle. NOTE: The stand is detached when the monitor is shipped from the factory. Vertical Extension NOTE: The stand extends vertically up to 115 mm. The figure below illustrates how to extend the stand vertically. Rotating the [...]

NOTE: To use the Display Rotation function (Landscape versus Portrait view) with your Dell computer, you require an updated graphics driver that is not included with this monitor. To download the graphics driver, go to support.dell.com and see the Download section for Video Drivers for latest driver updates. NOTE: When in Portrait View Mode , you m[...]

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 WARNING: Before you begin any of the procedures in this section, follow the Safety Instructions . Self- Test Your monitor provides a s[...]

7 . Repeat steps 5 and 6 to inspect the display in green, blue, black and white screens. The test is complete when the white screen appears. To exit, press B utton 4 again. If you do not detect any screen abnormalities upon using the built- in diagnostic tool, the monitor is functioning properly. Check the video card and computer. Common Problems T[...]

Check whether the signal cable is plugged in properly. Re -plug the signal cable if necessary. Reset the computer or video player. The picture does not fill the entire screen. The picture cannot fill the height or width of the screen Due to different video formats (aspect ratio) of DVDs, the monitor may display in full screen. Run the built- in dia[...]

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 WARNING: Use of controls, adjustments, or procedures other than those specified in this documentation may result in exposure to shock, electrical hazards, an[...]