AL2251W LCD Monitor User's Guide EN
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TABLE OF CONTENTS FOR YOUR SAFETY 1 SAFETY PRECAUTIONS 2 SPECIAL NOTES ON LCD MONITORS 3 BEFORE YOU OPERATE THE MONITOR 3 FEATURES 3 PACKING LIST 3 INSTALLATION INSTRUCTIONS 4 CONTROLS AND CONNECTORS 5 ADJUSTING THE VIEWING ANGLE 6 OPERATING INSTRUCTIONS 7 GENERAL INSTRUCTIONS 7 HOW TO ADJUST A SETTING 9 ADJUSTING THE PICTURE 10-11 PLUG AND PLAY 12 TECHNICAL SUPPORT(FAQ 13-14 ERROR MESSAGE & POSSIBLE SOLUTION ------- 15 APPENDIX 16 SPECIFICATIONS 16-17 FACTORY PRESET TIMING TABLE 18 CONNECTOR PIN ASSIGNMENT 19
TABLE OF CONTENTS FOR YOUR SAFETY 1 SAFETY PRECAUTIONS 2 SPECIAL NOTES ON LCD MONITORS 3 BEFORE YOU OPERATE THE MONITOR 3 FEATURES 3 PACKING LIST 3 INSTALLATION INSTRUCTIONS 4 CONTROLS AND CONNECTORS 5 ADJUSTING THE VIEWING ANGLE 6 OPERATING INSTRUCTIONS 7 GENERAL INSTRUCTIONS 7 HOW TO ADJUST A SETTING 9 ADJUSTING THE PICTURE 10-11 PLUG AND PLAY 12 TECHNICAL SUPPORT(FAQ 13-14 ERROR MESSAGE & POSSIBLE SOLUTION ------- 15 APPENDIX 16 SPECIFICATIONS 16-17 FACTORY PRESET TIMING TABLE 18 CONNECTOR PIN ASSIGNMENT 19
AL2251W LCD Monitor User's Guide EN
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... to which can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to operate the equipment. 2. Before operating the monitor, please read this equipment does cause harmful interference to provide reasonable protection against harmful interference in a particular installation. Shielded interface cables and AC power cord, if any radio or...
... to which can radiate radio frequency energy, and if not installed and used in accordance with the instructions, may cause harmful interference to operate the equipment. 2. Before operating the monitor, please read this equipment does cause harmful interference to provide reasonable protection against harmful interference in a particular installation. Shielded interface cables and AC power cord, if any radio or...
AL2251W LCD Monitor User's Guide EN
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... marked between 100 - 240V AC, Min. 5A. This plug will fit only into the slot on a wall or shelf, use a mounting kit approved by the manufacturer and follow the kit instructions. z Do not overload power strips and extension cords. z To ensure satisfactory operation, use the monitor only with the attached power adapter (Output 12Vdc) which have UL, CSA listed license 2 If...
... marked between 100 - 240V AC, Min. 5A. This plug will fit only into the slot on a wall or shelf, use a mounting kit approved by the manufacturer and follow the kit instructions. z Do not overload power strips and extension cords. z To ensure satisfactory operation, use the monitor only with the attached power adapter (Output 12Vdc) which have UL, CSA listed license 2 If...
AL2251W LCD Monitor User's Guide EN
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...) • Space Saving, Compact Case Design • EPA ENERGY STAR® CHECKING THE CONTENTS OF THE PACKAGE The product package should include the following symptoms are normal with LCD monitor and do not indicate a problem. BEFORE YOU OPERATE THE MONITOR FEATURES • 55.87cm(22") TFT Color LCD Monitor • Crisp, Clear Display for hours. Owner's Manual 3. Quick Start Guide 3 SPECIAL NOTES ON LCD MONITORS The following items: 1. Power Cord 4.
...) • Space Saving, Compact Case Design • EPA ENERGY STAR® CHECKING THE CONTENTS OF THE PACKAGE The product package should include the following symptoms are normal with LCD monitor and do not indicate a problem. BEFORE YOU OPERATE THE MONITOR FEATURES • 55.87cm(22") TFT Color LCD Monitor • Crisp, Clear Display for hours. Owner's Manual 3. Quick Start Guide 3 SPECIAL NOTES ON LCD MONITORS The following items: 1. Power Cord 4.
AL2251W LCD Monitor User's Guide EN
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... to LCD monitor's DCpower-input. Place four screws into the holes as shown and tighten; For instructions on your LCD monitor. The relevant national installation and/or equipment regulations shall be hung from the wall by either 100/120V AC or 220/240V AC voltage area (No user adjustment is the correct type required in your LCD monitor's External Adapter input socket, and then plug the...
... to LCD monitor's DCpower-input. Place four screws into the holes as shown and tighten; For instructions on your LCD monitor. The relevant national installation and/or equipment regulations shall be hung from the wall by either 100/120V AC or 220/240V AC voltage area (No user adjustment is the correct type required in your LCD monitor's External Adapter input socket, and then plug the...
AL2251W LCD Monitor User's Guide EN
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...'s DVI port. 4. Connect the audio cable between the monitor's audio input and the PC's audio output (green port). 5. D-SUB Cable 2. External Adapter 5. CONTROLS AND CONNECTORS CABLE CONNECTIONS Turn off your monitor into the power adapter. 6. Plug the other end to the DC-In port on your monitor and computer. DC-Jack Power Cable 3. Connect one end of the 15-pin D-Sub cable to the back of the monitor and connect the other end to the computer's D-Sub port. 3. (only Dual-Input Model)Connect one...
...'s DVI port. 4. Connect the audio cable between the monitor's audio input and the PC's audio output (green port). 5. D-SUB Cable 2. External Adapter 5. CONTROLS AND CONNECTORS CABLE CONNECTIONS Turn off your monitor into the power adapter. 6. Plug the other end to the DC-In port on your monitor and computer. DC-Jack Power Cable 3. Connect one end of the 15-pin D-Sub cable to the back of the monitor and connect the other end to the computer's D-Sub port. 3. (only Dual-Input Model)Connect one...
AL2251W LCD Monitor User's Guide EN
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... • Do not touch the LCD screen when you adjust it, otherwise the machine may cause damage or break the LCD screen. • Careful attention is recommended to look at the full face of the monitor, then adjust the monitor's angle to your own preference. • Hold the stand so you do not topple the monitor when you change the monitor's angle. •...
... • Do not touch the LCD screen when you adjust it, otherwise the machine may cause damage or break the LCD screen. • Careful attention is recommended to look at the full face of the monitor, then adjust the monitor's angle to your own preference. • Hold the stand so you do not topple the monitor when you change the monitor's angle. •...
AL2251W LCD Monitor User's Guide EN
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By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video cable from the monitor to the video card. • Press the power button to turn on or off. Figure 3 External Control Button EXTERNAL CONTROLS 1. >/ Volume 2. OPERATING INSTRUCTIONS GENERAL INSTRUCTIONS Press the power button to turn the monitor on the monitor position. The power indicator will light up. The other control buttons are located at front panel of the monitor (See Figure 3).
By changing these settings, the picture can be adjusted to your personal preferences. • The power cord should be connected. • Connect the video cable from the monitor to the video card. • Press the power button to turn on or off. Figure 3 External Control Button EXTERNAL CONTROLS 1. >/ Volume 2. OPERATING INSTRUCTIONS GENERAL INSTRUCTIONS Press the power button to turn the monitor on the monitor position. The power indicator will light up. The other control buttons are located at front panel of the monitor (See Figure 3).
AL2251W LCD Monitor User's Guide EN
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... the Auto Adjustment function. When OSD menu is in active status, this button to turn the monitor ON or OFF, And display the monitor's state. • Power Indicator: Blue - Stubborn stains may be removed with a cloth lightly dampened with a soft cloth. Orange - As a safety precaution, always unplug the monitor before cleaning it with a mild detergent solution. NOTES • Do not install the monitor in a location near heat sources...
... the Auto Adjustment function. When OSD menu is in active status, this button to turn the monitor ON or OFF, And display the monitor's state. • Power Indicator: Blue - Stubborn stains may be removed with a cloth lightly dampened with a soft cloth. Orange - As a safety precaution, always unplug the monitor before cleaning it with a mild detergent solution. NOTES • Do not install the monitor in a location near heat sources...
AL2251W LCD Monitor User's Guide EN
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Press < or > to activate the OSD window. 2. To exit and save, select the exit function. Dual-Input Model, Analog Signal Input 9 Press the MENU-button to select the function that you want to adjust. 4. Analog-OnlyModel II. If you want to change the settings of the current function. 5. Press the MENU-button to select the desired function. 3. Press < or > to adjust any other function, repeat steps 2-4. I. HOW TO ADJUST A SETTING 1.
Press < or > to activate the OSD window. 2. To exit and save, select the exit function. Dual-Input Model, Analog Signal Input 9 Press the MENU-button to select the function that you want to adjust. 4. Analog-OnlyModel II. If you want to change the settings of the current function. 5. Press the MENU-button to select the desired function. 3. Press < or > to adjust any other function, repeat steps 2-4. I. HOW TO ADJUST A SETTING 1.
AL2251W LCD Monitor User's Guide EN
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... in Analog mode only). Position mode only). N/A Cool Set the color temperature to warm white. N/A Warm Set the color temperature to cool white. III. Adjusts the background brightness of the screen image. User /Red User/Green Adjusts Red/Green/Blue intensity. Clock Adjusts picture Clock (available in Analog mode only). Adjust picture Clock (available in Analog H. Dual-Input Model, Digital Signal Input ADJUSTING THE PICTURE The descriptions for function control LEDS Sub Main Sub Menu Menu Menu Icon Item Icon Description Adjusts the contrast between...
... in Analog mode only). Position mode only). N/A Cool Set the color temperature to warm white. N/A Warm Set the color temperature to cool white. III. Adjusts the background brightness of the screen image. User /Red User/Green Adjusts Red/Green/Blue intensity. Clock Adjusts picture Clock (available in Analog mode only). Adjust picture Clock (available in Analog H. Dual-Input Model, Digital Signal Input ADJUSTING THE PICTURE The descriptions for function control LEDS Sub Main Sub Menu Menu Menu Icon Item Icon Description Adjusts the contrast between...
AL2251W LCD Monitor User's Guide EN
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input Model) Auto Adjust the H/V Position, Focus and N/A Auto Config Clock of the OSD. Position Adjust the vertical position of picture. N/A Reset Clear each old status of the OSD. Input N/A Digital Model) Select input signal from analog (D-Sub) (only Dual- V. N/A Analog Select input signal from digital (DVI) N/A Information Show the resolution, H/V frequency and input port of current iput timing. H. OSD Timeout Adjust the OSD timeout. (only Analog- Position Adjust the horizontal position of Auto-configuration N/A Exit Save user adjustment and OSD disappear....
input Model) Auto Adjust the H/V Position, Focus and N/A Auto Config Clock of the OSD. Position Adjust the vertical position of picture. N/A Reset Clear each old status of the OSD. Input N/A Digital Model) Select input signal from analog (D-Sub) (only Dual- V. N/A Analog Select input signal from digital (DVI) N/A Information Show the resolution, H/V frequency and input port of current iput timing. H. OSD Timeout Adjust the OSD timeout. (only Analog- Position Adjust the horizontal position of Auto-configuration N/A Exit Save user adjustment and OSD disappear....
AL2251W LCD Monitor User's Guide EN
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... that power supply cord needs to use a cord set by the Video Electronics Standards Association (VESA) and The Swedish Confederation Employees ( NUTEK ). The DDC2B is a bidirectional data channel based on the keyboard, or clicking the mouse. After the video input signal is restored, full power is restored and the display is completely off. The display is restored by reducing power consumption when there is no video input signal this monitor, following...
... that power supply cord needs to use a cord set by the Video Electronics Standards Association (VESA) and The Swedish Confederation Employees ( NUTEK ). The DDC2B is a bidirectional data channel based on the keyboard, or clicking the mouse. After the video input signal is restored, full power is restored and the display is completely off. The display is restored by reducing power consumption when there is no video input signal this monitor, following...
AL2251W LCD Monitor User's Guide EN
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... D-15 plug pin of the pins are BLUE) bent. 13 The LED should be in the ON position *Power Cord should be connected No Plug & Play *Check if the PC system is Plug & Play compatible *Check if the Video Card is ON (orange) *Computer Power Switch should either turn ON or OFF after hitting the CAPS LOCK key. Missing one of the primary *Inspect the monitor's video cable and colors (RED, GREEN, or make sure...
... D-15 plug pin of the pins are BLUE) bent. 13 The LED should be in the ON position *Power Cord should be connected No Plug & Play *Check if the PC system is Plug & Play compatible *Check if the Video Card is ON (orange) *Computer Power Switch should either turn ON or OFF after hitting the CAPS LOCK key. Missing one of the primary *Inspect the monitor's video cable and colors (RED, GREEN, or make sure...
AL2251W LCD Monitor User's Guide EN
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... color defects *Adjust RGB color or select color (white does not look white) temperature Horizontal or vertical disturbances on *Use win 95/98 shut-down mode pattern. 14 CLOCK (pixel frequency) controls the number of the pixel clock signal. If the frequency is not centered or sized *Adjust pixel frequency (CLOCK) and properly. Screen image is not correct, the screen shows vertical stripes and the picture has not correct width. With a wrong phase adjustment the picture has horizontal disturbances in light picture...
... color defects *Adjust RGB color or select color (white does not look white) temperature Horizontal or vertical disturbances on *Use win 95/98 shut-down mode pattern. 14 CLOCK (pixel frequency) controls the number of the pixel clock signal. If the frequency is not centered or sized *Adjust pixel frequency (CLOCK) and properly. Screen image is not correct, the screen shows vertical stripes and the picture has not correct width. With a wrong phase adjustment the picture has horizontal disturbances in light picture...
AL2251W LCD Monitor User's Guide EN
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Check that the signal-cable is properly connected, If the connector is loose, tighten the connector's screws. 2. INPUT NOT SUPPORT : Your computer has been set to unsuitable display mode, set the computer to display mode given in the following table (See page 18). 15 ERROR MESSAGE & POSSIBLE SOLUTION CABLE NOT CONNECTED : 1. Check the signal -cable connection pins for damage.
Check that the signal-cable is properly connected, If the connector is loose, tighten the connector's screws. 2. INPUT NOT SUPPORT : Your computer has been set to unsuitable display mode, set the computer to display mode given in the following table (See page 18). 15 ERROR MESSAGE & POSSIBLE SOLUTION CABLE NOT CONNECTED : 1. Check the signal -cable connection pins for damage.
AL2251W LCD Monitor User's Guide EN
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...176; (V) Response time 5ms Video R,G,B Analog Interface Digital interface(Only Dual-Input Input Model) H-Frequency 31KHz - 80KHz V-Frequency 56-75Hz Display Colors 16.2M Colors Dot Clock 146.25MHz Max. Resolution Plug & Play 1680 x 1050 @60Hz VESA DDC2B TM Power Consumption ON Mode ≤ 49W OFF Mode ≤ 1W Input Connector D-Sub 15pin DVI-D 24pin (DVI w/HDCP) Input Video Signal Analog:0.7Vp-p(standard), 75 OHM, Positive Digital signal (Only Dual-Input Model) Maximum Screen Size Horizontal : 473mm Vertical : 296mm Power Source 100~240VAC,47~63Hz Environmental...
...176; (V) Response time 5ms Video R,G,B Analog Interface Digital interface(Only Dual-Input Input Model) H-Frequency 31KHz - 80KHz V-Frequency 56-75Hz Display Colors 16.2M Colors Dot Clock 146.25MHz Max. Resolution Plug & Play 1680 x 1050 @60Hz VESA DDC2B TM Power Consumption ON Mode ≤ 49W OFF Mode ≤ 1W Input Connector D-Sub 15pin DVI-D 24pin (DVI w/HDCP) Input Video Signal Analog:0.7Vp-p(standard), 75 OHM, Positive Digital signal (Only Dual-Input Model) Maximum Screen Size Horizontal : 473mm Vertical : 296mm Power Source 100~240VAC,47~63Hz Environmental...
AL2251W LCD Monitor User's Guide EN
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...) CUL, FCC, VCCI, CCC, MPR II, CE, TÜV/GS, TCO'03, UL, ISO13406-2 17 Switch External Controls: Functions Power Consumption ( Maximum ) Audio Output Regulatory Compliance • Auto Adjust Key • / Volume • Power Button • MENU • Contrast • Brightness • Focus • Clock • H.Position • V.Position • Input signal Selection (Only Dual-Input Model) • Language • Auto configuration (only Analog-input Model) • (Warm) Color • (Cool)Color • RGB Color temperature • Reset • OSD position .
...) CUL, FCC, VCCI, CCC, MPR II, CE, TÜV/GS, TCO'03, UL, ISO13406-2 17 Switch External Controls: Functions Power Consumption ( Maximum ) Audio Output Regulatory Compliance • Auto Adjust Key • / Volume • Power Button • MENU • Contrast • Brightness • Focus • Clock • H.Position • V.Position • Input signal Selection (Only Dual-Input Model) • Language • Auto configuration (only Analog-input Model) • (Warm) Color • (Cool)Color • RGB Color temperature • Reset • OSD position .
AL2251W LCD Monitor User's Guide EN
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... Data3+ 14. +5V Power 15. TMDS Data0+ 19. TMDS Data5- 21. CONNECTOR PIN ASSIGNMENT 1 5 6 10 11 15 PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. 15 - Pin Color Display Signal Cable DESCRIPTION PIN NO. Red Green Blue Monitor Ground DDC-return R-Ground G-Ground B-Ground 9. 10. 11. 12. 13. 14. 15. (Dual-Input Model) DESCRIPTION +5V Logic Ground MonitorGround DDC-Serial Data H-Sync V-Sync DDC-Serial Clock 24 - Pin Color Display Signal Cable Pin Meaning 1. TMDS Data22...
... Data3+ 14. +5V Power 15. TMDS Data0+ 19. TMDS Data5- 21. CONNECTOR PIN ASSIGNMENT 1 5 6 10 11 15 PIN NO. 1. 2. 3. 4. 5. 6. 7. 8. 15 - Pin Color Display Signal Cable DESCRIPTION PIN NO. Red Green Blue Monitor Ground DDC-return R-Ground G-Ground B-Ground 9. 10. 11. 12. 13. 14. 15. (Dual-Input Model) DESCRIPTION +5V Logic Ground MonitorGround DDC-Serial Data H-Sync V-Sync DDC-Serial Clock 24 - Pin Color Display Signal Cable Pin Meaning 1. TMDS Data22...