Acer Computer Monitor AL2023 User Manual

Table of Contents  
Precautions.......................................................................................................2  
Special notes on LCD monitors........................................................................2  
Package contents .............................................................................................3  
Installation instructions ...................................................................................3  
Assembling the monitor ..........................................................................................3  
Adjusting the viewing angle .....................................................................................4  
Connecting the devices ...........................................................................................6  
Switching the power ..............................................................................................7  
Adjusting display settings................................................................................7  
External controls...................................................................................................7  
OSD options......................................................................................................8  
OSD menu ..........................................................................................................8  
Troubleshooting.............................................................................................11  
General specifications....................................................................................12  
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Package contents  
LCD monitor  
Power cord  
Audio cable  
VGA cable  
DVI cable  
User's Guide (CD)  
Quick Start Guide  
Installation instructions  
Assembling the monitor  
1.  
Position the monitor on top of the base.  
2.  
Connect the base into the neck of the monitor  
along the track.  
Detaching the monitor  
If you need to detach the monitor for repackaging, the monitor and base must be separated in order to fit  
in the carton.  
To detach the monitor:  
1.  
2.  
3.  
Unplug the AC power cord to make sure the power is off.  
Pull the 4 hooks on the bottom side of the base and hold.  
Separate the monitor and base.  
Important  
When separating the monitor and base, find a clean, flat surface to place the monitor on and place a clean  
dry cloth under the monitor to protect it further. After removing the monitor from the base, pull the  
monitor slightly up and away from the base and place it on the cloth.  
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Adjusting the viewing angle  
The viewing angle of the monitor ranges from -5 – 20°.  
Adjusting the viewing angle (Only AL2023 h/AL2023 r)  
Your monitor features a multi-adjustable stand that will enable it move 90mm up/down (height  
adjustment), 25 degree forward/backward (tilt adjustment), 60 degree side/side (swivel adjustment). To  
make an adjustment, grasp the monitor with both hands on the right and left edge of the casing and  
move it to the desired position.  
Do not slide the lock to right when the display is under slanting status to prevent the display from  
ejecting.  
Slide the lock to right from the display support frame as per the figure and then adjust the height. Note  
that to slide the lock to right, erect the machine on the table to prevent the top part of the display from  
ejecting.  
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Rotate Adjustment (Only AL2023 r):  
1. Before adjusting the height, be sure to slide the lock to right indicated in the figure. as per Fig. 1.  
2. To rotate the screen, set the screen position to the highest height, as per Fig. 2.  
3. Hold the left and right sides of screen with both hands and then turn 90 degrees in clockwise direction.  
as per Fig. 3.  
4. After rotation is complete, adjust the screen height to suit your own position. as per Fig. 4.  
5. To return to original position, turn 90 degrees in counter clockwise direction. as per Fig. 5.  
6. After rotation is complete, adjust the screen height to suit your own position. as per Fig. 6.  
(一)  
(二)  
(三)  
(四)  
(五)  
(六)  
In order to use the Pivot function, the included Pivot Software must be installed.  
© Portrait Displays, Inc. All rights reserved.  
NOTES  
Do not touch the LCD screen when you change the angle. It may cause damage or break the LCD screen.  
Careful attention is required not to catch your fingers or hands when you change the angle.  
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Connecting the devices  
Caution: Make sure that the computer and the monitor are both disconnected from the power  
supply.  
1
2
3
4
5
Power cord  
VGA cable  
DVI-D cable  
Audio cable  
Attach the monitor to the power cord, and then insert the power cord into a  
properly grounded electrical socket.  
Connect the signal cable to the VGA input socket of the monitor, and connect the  
signal cable to the VGA output socket of the graphics card on the computer. Then  
tighten the thumbscrews on the connector.  
Connect the signal cable to the DVI-D input socket of the monitor, and connect the  
signal cable to the DVI-D output socket of the graphics card on the computer. Then  
tighten the thumbscrews on the connector.  
Connect the audio input socket (AUDIO IN) of the LCD monitor and the computer  
by means of the audio cable.  
Power switch On / off  
WARNING!  
Check the VGA card of your computer. Make sure the shape of the plug matches the shape of  
the socket it is inserted into. Also check that none of the pins are bent or otherwise damaged.  
VGA  
DVI-D  
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Switching the power  
First, switch on the hard-switch on the backside of monitor, then turn on PC and power button on  
monitor’s control panel. When you see the LED on the power button go green, this indicates the computer  
is ready for use. Allow about 10 seconds for the video signal to appear. If you do not see the green light  
on the power button or a video signal, check the connections.  
Adjusting display settings  
External controls  
If the OSD is active, press Auto to exit a selection in the OSD. If the OSD is  
inactive, press Auto and the monitor will automatically optimize the  
1
Auto  
position, focus, and clock of your display.  
If the OSD is active, press Minus or Plus to toggle between the OSD  
options. If OSD is inactive, press Minus or Plus to adjust the volume.  
</>  
2/3  
Minus / Plus  
OSD  
functions  
4
5
Press to view the OSD. Press again to enter a selection in the OSD.  
Power on/off  
Power  
Green: power on  
Orange: in sleep mode  
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OSD options  
Please refer to "External controls" on Page 7.  
To adjust the OSD settings:  
1.  
Press the Menu button to open the OSD menu.  
2.  
Use Plus/Minus buttons to toggle between the 10 OSD functions (and also to adjust the controls to  
desired levels once a function has been selected).  
3.  
4.  
Press Menu again to select one of the 10 OSD functions.  
When you have finished adjusting the OSD settings, press the Auto button to exit the OSD.  
OSD menu  
Contrast:  
This adjusts dark and light shades of color relative to each  
other.  
Brightness:  
This adjusts the brightness of the picture on the screen.  
Focus:  
This removes any horizontal distortion and makes the picture  
clear and sharp.  
Clock:  
If there are any vertical stripes seen on the background of the  
screen, this renders them less noticeable by minimizing their  
size. It also changes the size of the horizontal screen.  
H-Position:  
This adjusts the horizontal.  
V-Position:  
This adjusts the vertical.  
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Color adjustment:  
There are three ways to adjust color:  
Warm (reddish white)  
Cool (bluish white)  
User (you can adjust the colors red, green and blue to the  
intensity you desire)  
Language for Asia:  
Select the OSD menu language. Select from English, German,  
Spanish, Simplified Chinese, Traditional Chinese, French,  
Italian, and Japanese.  
Language for EMEA:  
Select the OSD menu language. Select from English, German,  
Spanish, Russia, Nederlands, French, Italian, and Finnish.  
OSD Settings:  
This changes the position of the OSD window on the screen and  
the staying time.  
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Input signal:  
Select either Analog Input or Digital Input video.  
Information:  
This shows information about the screen.  
Reset:  
Resets all settings to default levels.  
Exit:  
Exit from OSD.  
10  
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Troubleshooting  
Problem  
Possible Solutions  
Power LED is not ON ꢀ  
Check to see if the power switch is in the ON position.  
Ensure that the Power Cord is connected.  
No picture  
Check to see if the power switch is in the ON position.  
Ensure that the power cord is connected.  
Ensure the video cable is securely connected to the back of the monitor  
and the computer.  
Move the mouse or press any key on the keyboard to bring the monitor  
out of "active off" mode.  
Picture shows  
See color adjustment (p. 8) to adjust RGB color.  
inappropriate colors  
Picture bounces or a ꢀ  
Move or switch off electrical devices that may be causing interference.  
wave pattern is  
present in the picture  
Inspect the monitor's video cable and ensure that none of the pins are  
bent.  
Image is not sized or ꢀ  
centered properly  
Press select/auto key and the monitor will automatically optimize the  
position of your display.  
See horizontal and vertical position adjustment (p. 7).  
Caution: Do not attempt to service or open the monitor or computer yourself. Please refer all  
servicing to qualified service personnel if the "Troubleshooting" section cannot solve your  
problems.  
11  
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General specifications  
Item  
Specification  
LCD panel  
Display  
20-inch flat panel active-matrix TFT LCD  
UXGA 1600×1200 pixels  
Max resolution  
Pixel pitch  
Color  
0.255 mm  
16.7 M  
Brightness  
300 cd/m² (Typical)  
800:1 (Typical)  
8 ms (GTG)  
178°  
Contrast ratio  
Response time  
View angle of horizontal  
View angle of vertical  
External controls  
Power Button  
Control Buttons  
OSD Function  
Contrast/Brightness  
Focus/Clock  
Position  
178°  
ON/OFF  
Auto, menu, minus, plus  
Contrast/Brightness  
Focus/Clock  
Position  
Color  
Language  
OSD setting  
Input signal  
Information  
Reset  
Color  
Language  
OSD Setting  
Input signal  
Information  
Reset  
Exit  
Exit  
Video Interface  
Video  
Analog 0.7 V / Digital TMDS  
TTL (+ / -)  
Sync  
Plug & Play  
DDC2B  
Power  
Power source  
Power consumption during  
normal operation  
100 – 240 V AC, 50/60 Hz  
< 65 W  
Power consumption during  
active off operation  
Dimension and weight  
Dimensions (W×H×D)  
Weight (Net/Gross)  
< 2W  
453.6 x 426.6 x 204.8 mm (with stand)  
5.7 kg / 8.0 kg  
453.6 x 397.8 x 258.4 mm (with stand) (Only AL2023 h/AL2023 r)  
7.4 kg /9.8 kg (Only AL2023 h/AL2023 r)  
Dimensions (W×H×D)  
Weight (Net/Gross)  
Lamp disposal  
Lamp(s) inside this product contain mercury and must be recycled or disposed of according to local, state  
or federal laws. For more information, contact the Electronic Industries Alliance at www.eiae.org. For  
lamp-specific disposal information, check www.lamprecycle.org.  
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