background image

 

 

Auto Adjust

Even though your computer recognizes your monitor on startup, the 

Auto Adjustment 

function optimizes the display settings for use

with your particular setup.

Auto Adjustment allows the monitor to self-adjust to the incoming video signal. After using Auto Adjustment, you can further tune your

monitor by using the Pixel Clock (Coarse) and Phase (Fine) controls under Image Settings.

 

 

NOTE: 

In most cases, Auto Adjust produces the best image for your configuration.

NOTE:

 

Auto Adjust 

option is only available when you are using the analog (VGA) connector.

Input Source

Use the 

Input Source

 menu to select between different video signals that may be connected to your monitor.

 

Auto Select

Push 

 to select the 

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.

DisplayPort

Select 

DisplayPort input

 when you are using the DisplayPort (DP) connector. Push 

 to select the DisplayPort input source.

 

Color Settings

Use the 

Color Settings

 to adjust the color setting mode and color temperature.

There are different color setting sub-menus for VGA/DVI-D and Video input.

 

Input Color Format

Choose the RGB option if monitor is connected to a computer or a DVD using a VGA or DVI cable. Choose the YPbPr option if monitor is

connected to a DVD by a YPbPr to VGA cable or if the DVD color output setting is not RGB.

Summary of Contents for U2312HM

Page 1: ...icrosoft Corporation in the United States and or other countries Intel is a registered trademark of Intel Corporation in the U S and other countries and ATI is a trademark of Advanced Micro Devices Inc ENERGY STAR is a registered trademark of the U S Environmental Protection Agency As an ENERGY STAR partner Dell Inc has determined that this product meets the ENERGY STAR guidelines for energy effic...

Page 2: ...l Inc is strictly forbidden Trademarks used in this text Dell and the DELL logo are trademarks of Dell Inc Microsoft and Windows are either trademarks or registered trademarks of Microsoft Corporation in the United States and or other countries Intel is a registered trademark of Intel Corporation in the U S and other countries and ATI is a trademark of Advanced Micro Devices Inc ENERGY STAR is a r...

Page 3: ...creen resolution to 1920 x 1080 4 Click OK In Windows Vista or Windows 7 1 Right click on the desktop and click Personalization 2 Click Change Display Settings 3 Move the slider bar to the right by pressing and holding the left mouse button and adjust the screen resolution to 1920 x 1080 4 Click OK If you do not see 1920 x 1080 as an option you may need to update your graphics driver Please choose...

Page 4: ...y and Pixel Policy Maintenance Guidelines 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 NOTE Some items may be optional and may not ship with your Monitor Some features or media may not be available in certain countries NOTE To set up with any other stand please refer to the respective s...

Page 5: ...Power Cable VGA Cable DVI Cable USB up stream cable enables the USB ports on the monitor Drivers and Documentation media Quick Setup Guide Product and Safety Information Guide ...

Page 6: ...d play capability if supported by your system On Screen Display OSD adjustments for ease of set up and screen optimization Software and documentation media includes an information file INF Image color Matching File ICM PowerNap software application and product documentation Energy Saver feature for Energy Star compliance Security lock slot Asset Management Capability Capability to switch from wide...

Page 7: ...ont 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 ...

Page 8: ...tory approvals 3 Stand release button Release stand from monitor 4 Security lock slot Secures monitor with security cable lock 5 Dell Soundbar mounting brackets Attaches the optional Dell Soundbar 6 Barcode serial number label Refer to this label if you need to contact Dell for technical support 7 USB downstream ports Connect your USB devices 8 Cable management slot Use to organize cables by placi...

Page 9: ...iew 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 ...

Page 10: ...the stand to the monitor using M3x6 mm machine screw screw not provided Monitor Specifications Flat Panel Specifications Screen type Active matrix TFT LCD Panel type IPS Screen dimensions 23 inches 23 inches viewable image size Preset display area 509 2 H X 286 4 V mm Horizontal 509 2 mm 20 05 inches Vertical 286 4 mm 11 28 inches Pixel pitch 0 265 mm Viewing angle 178 vertical typical 178 horizon...

Page 11: ...60 0 25 2 VESA 640 x 480 37 5 75 0 31 5 VESA 800 x 600 37 9 60 0 40 0 VESA 800 x 600 46 9 75 0 49 5 VESA 1024 x 768 48 4 60 0 65 0 VESA 1024 x 768 60 0 75 0 78 8 VESA 1152 x 864 67 5 75 0 108 0 VESA 1280 x 1024 64 0 60 0 108 0 VESA 1280 x 1024 80 0 75 0 135 0 VESA 1920 x 1080 67 5 60 0 148 5 Electrical Specifications Video input signals Analog RGB 0 7 Volts 5 positive polarity at 75 ohm input impe...

Page 12: ... from the monitor Dimensions with stand Height extended 493 9 mm 19 44 inches Height compressed 365 0 mm 14 37 inches Width 546 4 mm 21 51 inches Depth 185 4 mm 7 30 inches Dimensions without stand Height 323 3 mm 12 73 inches Width 546 4 mm 21 51 inches Depth 59 5 mm 2 34 inches Stand dimensions Height extended 401 2 mm 15 80 inches Height compressed 358 1 mm 14 10 inches Width 279 8 mm 11 02 inc...

Page 13: ...odes 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 keyboard mouse or other input devices the monitor automatically resumes functioning The following table shows the power consumption and signaling of this automatic po...

Page 14: ... Zero power consumption in OFF mode can only be achieved by disconnecting the main cable from the monitor Maximum power consumption with max luminance Dell Soundbar and USB active Pin Assignments VGA Connector Pin Number 15 pin Side of the Connected Signal Cable 1 Video Red 2 Video Green 3 Video Blue 4 GND ...

Page 15: ...Computer 5V 3 3V 10 GND sync 11 GND 12 DDC data 13 H sync 14 V sync 15 DDC clock DVI Connector Pin Number 24 pin Side of the Connected Signal Cable 1 TMDS RX2 2 TMDS RX2 3 TMDS Ground 4 Floating 5 Floating 6 DDC Clock 7 DDC Data 8 Floating ...

Page 16: ... 3 3V power 15 Self test 16 Hot Plug Detect 17 TMDS RX0 18 TMDS RX0 19 TMDS Ground 20 Floating 21 Floating 22 TMDS Ground 23 TMDS Clock 24 TMDS Clock DisplayPort Connector Pin Number 20 pin Side of the Connected Signal Cable 1 ML0 p 2 GND 3 ML0 n 4 ML1 p 5 GND 6 ML1 n ...

Page 17: ...self and optimize the monitor settings Most monitor installations are automatic you can select different settings if desired For more information about changing the monitor settings see Operating the Monitor Universal Serial Bus USB Interface This section gives you information about the USB ports that are available on the left side of your monitor NOTE This monitor supports High Speed Certified US...

Page 18: ... 4 GND USB Ports 1 upstream back 4 downstream 2 on back 2 on 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 it on the attached peripherals may take a few seconds to resume normal functionality ...

Page 19: ...low while unpacking cleaning or handling your monitor To clean your antistatic screen lightly dampen a soft clean cloth with water If possible use a special screen cleaning tissue or solution suitable for the antistatic coating Do not use benzene thinner ammonia abrasive cleaners or compressed air Use a lightly dampened warm cloth to clean the monitor Avoid using detergent of any kind as some dete...

Page 20: ...ING Before you begin any of the procedures in this section follow the Safety Instructions To connect your monitor to the computer 1 Turn off your computer and disconnect the power cable Connect the blue VGA cable from your monitor to your computer NOTE If your computer supports a white DVI connector unscrew and detach the blue VGA cable from the monitor and then connect the White DVI cable to the ...

Page 21: ...p 1 Connect the upstream USB port cable supplied to an appropriate USB port on your computer See bottom view for details 2 Connect USB peripherals to the downstream USB ports side or bottom on the monitor See side or bottom view for details 3 Plug the power cables for your computer and monitor into a nearby outlet 4 Turn on the monitor and the computer If your monitor displays an image installatio...

Page 22: ... the monitor attach the Soundbar by aligning the two slots with the two tabs along the bottom of the monitor 2 Slide the Soundbar to the left until it snaps into place 3 Connect the Soundbar with the DC power connector 4 Insert the mini stereo plug from the back of the Soundbar into the computer s audio output jack Removing the Stand NOTE To prevent scratches on the LCD screen while removing the s...

Page 23: ...nting kit 1 Place the monitor panel on a soft cloth or cushion on a stable flat table 2 Remove the stand 3 Use a screwdriver to remove the four screws securing the plastic cover 4 Attach the mounting bracket from the wall mounting kit to the LCD 5 Mount the LCD on the wall by following the instructions that came with the base mounting kit NOTE For use only with UL Listed Wall Mount Bracket with mi...

Page 24: ...ls an OSD shows the numeric values of the characteristics as they change The following table describes the front panel buttons Front panel Button Description 1 Shortcut key Preset Modes Use this button to choose from a list of preset color modes 2 Shortcut key Brightness Contrast Use this button to directly access the Brightness Contrast menu 3 Menu Use the MENU button to launch the on screen disp...

Page 25: ...ted option 4 Push and button to select the desired parameter 5 Push to enter the slide bar and then use the and buttons according to the indicators on the menu to make your changes 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...

Page 26: ...r Auto Select Push to select the 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 DisplayPort Select DisplayPort input when you are using the Displa...

Page 27: ...Gamma Allows you to set the color mode to PC or MAC Preset Modes You can choose Standard Multimedia Movie Game Text Color Temperature or Custom Color ...

Page 28: ...r with a red yellow tint Decreases the color temperature The screen appears cooler with a blue tint Custom Color Allows you to manually adjust the color settings Press the and buttons to adjust the three colors R G B values and create your own preset color mode Hue This feature can shift color of video image to green or purple This is used to adjust the desired flesh tone color Use or to adjust th...

Page 29: ...mage look sharper or softer Use or to adjust the sharpness from 0 to 100 Pixel Clock The Phase and Pixel Clock adjustments allow you to adjust your monitor to your preference Use the or to adjust for best image quality Phase If satisfactory results are not obtained using the Phase adjustment use the Pixel Clock coarse adjustment and then use Phase fine again NOTE Pixel Clock and Phase Adjustments ...

Page 30: ...rt is Off Brightness function shall be activated The text and the icon of Dynamic Contrast shall be deactivated and grey out When Energy Smart is On monitor will adjust brightness dynamically according to the screen content for saving power consumption When Energy Smart is On The Energy Use indicator on OSD menu should response to the changes in the screen content Power Save Audio To turn on or of...

Page 31: ...eans that the monitor cannot synchronize with the signal that it is receiving from the computer See Monitor Specifications for the Horizontal and Vertical frequency ranges addressable by this monitor Recommended mode is 1920 x 1080 You will see the following message before the DDC CI function is disabled When monitor enters Power Save mode the following message appears Activate the computer and wa...

Page 32: ...de and allows for easy pivoting from landscape to portrait and vice versa The power saving mode allows the user to select Screen dim or Sleep when the PC goes to the screensaver mode 1 Screen dim monitor dims to minimum brightness level when the PC is in the screensaver mode 2 Sleep monitor goes into the sleep mode when the PC is in the screensaver mode The Enhanced Menu Rotation function allows f...

Page 33: ...ck on the desktop and select Personalization 2 Click Change Display Settings 3 Move the slider bar to the right by pressing and holding left mouse button and adjust the screen resolution to 1920 x 1080 4 Click OK If you do not see 1920 x 1080 as an option you may need to update your graphics driver Depending on your computer complete one of the following procedures If you have a Dell desktop or po...

Page 34: ...tand is bought please refer to the respective stand setup guide for set up instructions Tilt Swivel With the built in pedestal you can tilt 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 130 mm The figures below illustrate how to extend the stand vertically ...

Page 35: ... avoid hitting the bottom edge of the monitor 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 ...

Page 36: ...your display To adjust the Rotation Display Settings 1 Right click on the desktop and click Properties 2 Select the Settings tab and click Advanced 3 If you have an ATI graphics card select the Rotation tab and set the preferred rotation If you have an nVidia graphics card click the nVidia tab in the left hand column select NVRotate and then select the preferred rotation If you have an Intel graph...

Page 37: ...n the monitor The floating dialog box should appear on screen against a black background if the monitor cannot sense a video signal and is working correctly While in self test mode the power LED remains blue Also depending upon the selected input one of the dialogs shown below will continuously scroll through the screen or or 4 This box also appears during normal system operation if the video cabl...

Page 38: ... video cable connector Run the built in diagnostics Ensure that the correct input source is selected via the Input Source Select button Poor Focus Picture is fuzzy blurry or ghosting Perform Auto Adjust via OSD Adjust the Phase and Pixel Clock controls via OSD Eliminate video extension cables Reset the monitor to Factory Settings Change the video resolution to the correct aspect ratio 16 9 Shaky J...

Page 39: ...tings Cannot adjust the monitor with the buttons on the front panel OSD does not appear on the screen Turn off the monitor unplug the power cord plug back and then turn on the monitor Check whether OSD is locked If yes press and hold button above power button for 10 seconds to unlock See Menu Lock No Input Signal when user controls are pressed No picture the LED light is green When you press or Me...

Page 40: ...ayer Distorted Sound Other audio source is used Clear any obstructions between the Soundbar and the user Confirm that the audio line in plug is completely inserted into the jack of the audio source Decrease the volume of the audio source Turn the Power Volume knob on the Soundbar counter clockwise to a lower volume setting Clean and reseat the audio line in plug Unbalanced Sound Output Sound from ...

Page 41: ...ompliance Contacting Dell For customers in the United States call 800 WWW DELL 800 999 3355 NOTE If you do not have an active Internet connection you can find contact information on your purchase invoice packing slip bill or Dell product catalog Dell provides several online and telephone based support and service options Availability varies by country and product and some services may not be avail...

Page 42: ...upport dell com enter your service tag and download the latest driver for your graphics card 2 After installing the drivers for your Graphics Adapter attempt to set the resolution to 1920 x 1080 again NOTE If you are unable to set the resolution to 1920 x 1080 please contact Dell to inquire about a Graphics Adapter that supports these resolutions Back to Contents Page ...

Page 43: ...o set the resolution to 1920 x 1080 again In Windows Vista or Windows 7 1 Right click on the desktop and click Personalization 2 Click Change Display Settings 3 Click Advanced Settings 4 Identify your graphics controller supplier from the description at the top of the window e g NVIDIA ATI Intel etc 5 Refer to the graphic card provider website for updated driver for example http www ATI com OR htt...

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