Acer Computer Monitor AL1731 User Manual

Table of Contents  
Preface ...............................................................................................................................1  
Chapter 1 Installation........................................................................................................2  
Unpacking ............................................................................................................................................. 2  
Connecting the LCD Monitor and Base ................................................................................................ 2  
Viewing Angle Adjustment................................................................................................................... 2  
Detaching LCD Monitor from Its Stand................................................................................................ 3  
Interface for Arm Applications.............................................................................................................. 3  
Connecting the Display to your Computer ............................................................................................ 3  
Connecting the AC Power..................................................................................................................... 3  
Connecting the Audio Cable ................................................................................................................. 3  
Connecting the AV and S-Video cable.................................................................................................. 3  
Setting Up the LCD Monitor................................................................................................................. 4  
Power Management System .................................................................................................................. 4  
Chapter 2 Display Controls...............................................................................................4  
User Controls ........................................................................................................................................ 4  
Adjusting the Monitor's Display............................................................................................................ 5  
Function Description............................................................................................................................. 5  
Chapter 3 Technical Information ...............................................................7  
Specifications ........................................................................................................................................ 7  
Standard Timing Table........................................................................................................................ 10  
Troubleshooting .................................................................................................................................. 10  
Preface  
This manual is designed to assist users in setting up and using the LCD Monitor. Information in this document has  
been carefully checked for accuracy; however, no guarantee is given to the correctness of the contents. The  
information in this document is subject to change without notice. This document contains proprietary information  
protected by copyright. All rights are reserved. No part of this manual may be reproduced by any mechanical,  
electronic or other means, in any form, without prior written permission of the manufacturer.  
FCC Statement Warning  
This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15  
of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a  
residential installation. This equipment generates, uses, and can radiate radio frequency energy, and if not installed  
and used in accordance with the instruction, may cause harmful interference to radio communications. However,  
there is no guarantee that interference will not occur in a particular installation. If this equipment does cause  
harmful interference to radio or television reception, which can be determined by turning the equipment off and on,  
the user is encouraged to try to correct the interference by one or more of the following measures:  
Reorient or relocate the receiving antenna.  
Increase the separation between the equipment and the receiver.  
Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.  
Consult the dealer or an experienced radio/TV technician for help.  
Warning  
Use only shielded signal cables to connect I/O devices to this equipment. You are cautioned that changes or  
modifications not expressly approved by the party responsible for compliance could void your authority to operate  
the equipment.  
Canadian DOC Notice  
This Class B digital apparatus meets all requirements of the Canadian Interference-Causing  
Equipment Regulations.  
Cet appareil numérique de la classe B repecte toutes les exigences du Règlement sur le matériel  
brouilleur du Canada.  
1
 
Detaching LCD Monitor from Its Stand  
Unscrew screws n the swivel base support column and pull it from main body.  
Figure 1-3  
Interface for Arm Applications  
Before installing to mounting device, please refer to Fig.1-3.  
The rear of this LCD display has four integrated 4 mm, 0.7 pitches threaded  
nuts, as well as four 5 mm access holes in the plastic covering as illustrated in  
Figure 1-4. These specifications meet the VESA Flat Panel Monitor Physical  
Mounting Interface Standard (paragraphs 2.1 and 2.1.3, version 1, dated 13  
November 1997).  
Figure 1-4  
Note :Please using Ø 4mm x 8mm (L) screw for this application  
Connecting the Display to your Computer  
1. Power off your computer.  
2. Connect one end of the signal cable to the LCD Monitor’s VGA port or DVI  
port.(See Fig 1-5)  
3. Connect the other end of the signal cable to the VGA port or DVI port on  
your PC.  
4. Make sure connection are secure.  
Figure 1-5  
Attention: This device must be connected to an off-the-shelf video cable in order to comply with FCC  
regulations. A ferrite-core interface cable is included in the LCD Monitor package.  
This device will not be in compliance with FCC regulations when a non-ferrite-core video cable is used.  
Connecting the AC Power  
1. Connect the power cord to the AC adapter.(See Fig. 1-6)  
2. Connect the AC adapter’s DC output connector to the DC Power Jack of the  
monitor.  
3. Connect the power cord to an AC power source.  
Figure 1-6  
Warning:We recommand to install a “Surge Protector” device between the AC Adapter and the electrical wall outlet  
for adding protection against power surges to prevent the errects of sudden voltage variations from reaching the LCD  
Monitor. Sudden power surges may damage your monitor.  
Connecting the Audio Cable  
1. Connect the audio cable to the " LINE OUT " jack on your PC's audio  
card or to the front panel's “AUDIO OUT” jack of your CD ROM drive.  
(See Fig. 1-7)  
2. Connect the other end of the audio cable to the LCD Monitor's " LINE  
IN " jack.  
Figure 1-7  
Connecting the AV and S-Video cable  
1. Connect the AV cable to RCA Jack and follow the color and the other  
side connect to AV source.  
2. Connect the S-Video cable from main body to AV source.  
Figure 1-8  
3
 
Setting Up the LCD Monitor  
1.Make sure the AC power cord is connected to the LCD Monitor.  
2.Turn on the LCD Monitor's power switch, located on the bezel of the monitor.  
Power Management System  
This LCD Monitor complies with the VESA DPMS (version 1.0) Power Management guidelines. The VESA DPMS  
provides four power saving modes through detecting a horizontal or vertical sync. signal.  
When the LCD Monitor is in power saving mode, the monitor screen will be blank and the power LED indicator will  
light yellow.  
Chapter 2 Display Controls  
User Controls  
A brief description and the location of all LCD Monitor function controls and indicators:  
Figure 2-1  
PC Audio Stereo output.  
1. Press the soft power switch to switch the monitor ON/OFF.  
2. LED lights Blue color --- Power is ON.  
3. LED lights Yellow --- Monitor is in "Power Saving Mode".  
4. LED is off --- Power is OFF.  
Stereo Speakers  
1
2
Soft Power Switch  
(DC Power-On Indicator)  
1. Press the Auto Buttons Monitor will Auto-Adjusting.  
2. Press the Auto Buttons over 2 second the Monitor Searching next  
source.  
1. Direct press either left or right control button can adjusting  
speaker Volume control.  
2. When press after Menu buttons then Press either left or right  
control button for OSD first menu (left side) function selection.  
3. When selection you want adjusting function then press Menu  
buttons again for OSD second menu (right side) function  
selection. You can Press the left button to decrease the OSD  
setting and press the right button to increase the OSD setting.  
1. Press the Menu will show OSD (On Screen Display) Function  
Menus table.  
Auto  
3
4
Function Select and  
Adjustment Control  
Buttons  
Menu  
5
2. When OSD (On Screen Display) Menus display press Menu  
Buttons will enable selection function.  
4
 
Adjusting the Monitor's Display  
The monitor has four function control buttons to select among functions shown on OSD menu,  
designed for easy user-viewing environments.  
OSD Function Menu  
To access OSD Main menu, simply press one of the  
Function Select control buttons, and the menu diagram will  
pop up on the screen as shown on Fig. 2-2:  
Continue pressing the Function Select buttons to scroll  
through the entire menu items ,then press Adjustment  
Control buttons to adjust content of selected item.  
Figure 2-2  
Function Description  
Analog RGB / Digital RGB  
Picture  
Press > button, auto adjust the display mode to its utmost performance  
according to VGA setting.  
Auto adjust  
Brightness  
Contrast  
H-position  
V-position  
Phase  
Adjust the overall image and background screen brightness.  
Adjust the image brightness in relation to the background.  
To move the picture image horizontally left or right.  
To move the picture image vertically up or down.  
To improve focus clarity an image stability.  
Clock  
Exit  
To increase or decrease the horizontal size of image.  
To exit the main menu.  
Advanced  
Sharpness  
Color  
Adjusts the picture sharpness.  
You have 4 kinds of options.  
This control adjusts the color temperature of the screen image, this item are  
preset by factory, you can not adjust these setting, The performance is bluer  
and brighter.  
Cool  
Natural  
Warm  
This performance is reddish and closer to paper white.  
This performance is yellowish and closer to paper white.  
You can adjust the individual color intensity by yourself. Increase or  
decrease red, green or blue depending upon which is selected  
User  
User red Increase or decrease red.  
User green Increase or decrease green.  
User blue Increase or decrease blue.  
Exit  
To exit the main menu.  
Audio  
Volume  
Base  
This features adjusts < to decrease volume and > to increase volume.  
This features adjusts < to decrease base and > to increase base.  
This features adjusts < to decrease treble and > to increase treble.  
Treble  
This features adjusts < to decrease left speaker volume and > to increase  
left speaker volume.  
This features adjusts < to decrease right speaker volume and > to increase  
right speaker volume.  
ATTL  
ATTR  
Loudness  
Mute  
This features choose on or off to get loudness.  
This features choose on or off to mute the sound.  
5
 
Exit  
To exit the main menu.  
Options  
OSD  
To move the OSD image.  
OSD H-position To move the OSD image horizontally left or right.  
OSD V-position To move the OSD image vertically up or down.  
Language  
Exit  
You can choose one of the nine languages you need.  
To exit the main menu.  
Utilities  
You can select how long the monitor waits after the last adjust of the key to  
shut off the OSD menu. The time setting choices are from 5 to 60 seconds.  
OSD timeout  
OSD background You can select opaque or translucent to change OSD background.  
Source icon You can select on or off to display OSD icon.  
Exit  
To exit the main menu.  
Reset  
Exit  
Reset the currently highlight control to the factory setting. User must be  
using factory preset video mode to use this function.  
Memory recall  
Exit  
To exit the menu.  
To exit the OSD menu.  
Composite Video / S-Video  
Picture  
Brightness  
Contrast  
Saturation  
Hue  
Adjust the overall image and background screen brightness.  
Adjust the image brightness in relation to the background.  
Adjusts the color saturation of the screen image.  
Adjusts the color hue of the screen image.  
Adjusts the picture sharpness.  
Sharpness  
Scaling  
Exit  
Adjusts the picture size full screen or 16:9 screen.  
To exit the main menu.  
Advanced  
Sharpness  
Color  
Adjusts the picture sharpness.  
You have 4 kinds of options.  
This control adjusts the color temperature of the screen image, this item are  
preset by factory, you can not adjust these setting, The performance is bluer  
and brighter.  
Cool  
Natural  
Warm  
This performance is reddish and closer to paper white.  
This performance is yellowish and closer to paper white.  
You can adjust the individual color intensity by yourself. Increase or  
decrease red, green or blue depending upon which is selected  
User  
User red Increase or decrease red.  
User green Increase or decrease green.  
User blue Increase or decrease blue.  
Exit  
To exit the main menu.  
Audio  
Volume  
Base  
This features adjusts < to decrease volume and > to increase volume.  
This features adjusts < to decrease base and > to increase base.  
This features adjusts < to decrease treble and > to increase treble.  
Treble  
6
 
This features adjusts < to decrease left speaker volume and > to increase  
left speaker volume.  
This features adjusts < to decrease right speaker volume and > to increase  
right speaker volume.  
ATTL  
ATTR  
Loudness  
Mute  
This features choose on or off to get loudness.  
This features choose on or off to mute the sound.  
To exit the main menu.  
Exit  
Options  
OSD  
To move the OSD image.  
OSD H-position To move the OSD image horizontally left or right.  
OSD V-position To move the OSD image vertically up or down.  
Language  
Exit  
You can choose one of the nine languages you need.  
To exit the main menu.  
Utilities  
You can select how long the monitor waits after the last adjust of the key to  
shut off the OSD menu. The time setting choices are from 5 to 60 seconds.  
OSD timeout  
OSD  
background  
You can select opaque or translucent to change OSD background.  
Source icon You can select on or off to display OSD icon.  
Exit  
To exit the main menu.  
Reset  
Reset the currently highlight control to the factory setting. User must be  
using factory preset video mode to use this function.  
Memory recall  
Exit  
To exit the menu.  
To exit the OSD menu.  
Exit  
Chapter 3 Technical Information  
Specifications  
LCD Panel  
Size  
17" (43 cm)  
Display Type  
Resolution  
Active matrix color TFT LCD  
1280 x 1024  
Display Dot  
Display Area (mm)  
Display Color  
Brightness  
Contrast Ratio  
Response Time  
Lamp Voltage  
Lamp Current  
Viewing Angle  
1280 x (RGB) x 1024  
337.92 x 270.336 (H x V)  
16.7M  
250 cd/m2 (typical)  
430:1 (typical)  
Tr=5ms Tf=15ms (Ta=25°C)  
700 Vrms (typical)  
6.5 mA rms. (typical)  
Vertical: -65° ~ +65°  
Horizontal: -80° ~ +80°  
7
 
Video  
Input Signal  
Input Impedance  
Polarity  
Analog RGB 0.7Vpp  
75 Ohm ± 2%  
Positive, Negative  
Digital TMDS  
Amplitude  
0 - 0.7 ± 0.05 Vpp  
TMDS  
Multi-mode Supported  
Horizontal Frequency: 30 ~ 80 KHz  
Vertical Frequency: 56 ~ 75 Hz  
30~64KHz  
56~75 Hz  
Audio  
Input Signal  
Audio Power Output  
Speaker  
500mVrms  
1Wrms + 1Wrms Max  
2W 8x 2  
Composite Signal and S-Video Signal Support  
Input Signal  
Composite Video (NTSC/PAL)  
S-Video Y/C (NTSC/PAL)  
Input Impedance  
Amplitude  
75 Ohm ± 2%  
0 - 0.7 ± 0.05 Vpp  
Control  
Power switch (hard and soft types)  
On/Off switch with LED indicator  
OSD  
Brightness  
Contrast  
Horizontal Position  
Vertical Position  
Phase  
Digital  
Digital  
Digital  
Digital  
Digital  
Digital  
Clock  
Display Mode Setup  
OSD Format  
Use EEPROM to save settings in memory  
20 characters x 9 rows  
Power Management  
Mode  
On  
Off  
Power Consumption*  
AC Input  
LED Color  
55W maximum  
5W maximum  
5W maximum  
240 VAC  
240 VAC  
240 VAC  
Green  
Yellow  
Dark  
Soft switch off  
Yellow: Standby, Suspend, Off  
Disconnected  
5W maximum  
240 VAC  
Dark: DC Power off  
* Meeting VESA DPMS requirements measured from AC Input end of AC adapter.  
Sync Input  
Separate TTL compatible horizontal and vertical synchronization  
Digital TMDS  
Signal  
Polarity  
Positive and negative  
Supports VESA DDC1 and DDC2B functions  
Plug & Play  
External Connection  
Power Input (DC input)  
VGA Cable  
+12VDC / 5A min. input through AC/DC adapter  
1.8M with 15-pin D-sub connector, 1.8M with 24-pin DVI-D  
1.8M with Stereo Jack  
Audio Cable  
Audio Video Cable  
S-Video Cable  
1.8M with Audio Video Jack (Red + White + Yellow)  
1.8M with S-Video Jack  
Environment  
Temperature  
Relative Humidity  
Temperature  
5°C to 40°C/41°F to 104°F  
20% to 80%  
-20°C to 60° C/-4°F to140° F  
5% to 85%  
Operating Condition:  
Storage Condition:  
Relative Humidity  
8
 
Power Supply (AC Input)  
Input Voltage  
Input Current  
Single phase, 100 ~ 240VAC, 50 / 60 Hz  
1.5 A maximum  
Size and Weight  
Dimensions  
Net Weight  
Gross Weight  
381 (W) x 400 (H) x 147 (D) mm  
5.4 ± 0.3 kg  
8.0 ± 0.3 kg  
Pin Assignment  
6
Signal  
Signal  
PIN  
Description  
PIN  
Description  
PIN  
Description  
11  
1
5
1
2
3
4
5
Red  
Green  
Blue  
Digital GND  
Digital GND  
6
7
8
9
10  
Red Rtn  
11  
12  
13  
14  
15  
NC  
SDA  
H. Sync.  
V. Sync.  
SCL  
Green Rtn  
Blue Rtn  
+5V  
15  
10  
Hot Plug Detect  
For Digital DVI-D connector  
Signal13  
Signal  
Signal  
Description  
PIN  
1
Descrip14tion  
RX2-15  
PIN  
10  
Description  
RX1+  
PIN  
19  
Shield for TMDS Channel 0  
2
RX2+  
11 Shield for TMDS Channel 1 20  
NC  
3
Shield for TMDS Channel 2 12  
NC  
NC  
21  
22  
23  
24  
C5  
C6  
NC  
Shield for TMDS Channel clock  
4
NC  
NC  
13  
14  
15  
16  
17  
5
+5V  
RXC+  
RXC-  
GND  
GND  
6
SCL  
SDA  
NC  
Hot Plug Detect  
HPD  
7
8
RX0-  
9
RX1-  
18  
RX0+  
Composite Video: Monitor rear side RCA female (Yellow).  
Yellow for Video White and Red for Audio  
AV-input  
S-Video (Y/C): Monitor rear side 4 Pin Mini-DIN female.  
S-Video  
9
 
Standard Timing Table  
If the selected timing is NOT included in table below, this LCD monitor will use the most suitable available  
timing.  
H. Freq.  
(KHz)  
31.469  
37.861  
37.500  
31.469  
37.879  
48.077  
46.875  
48.363  
56.476  
60.023  
63.981  
79.976  
V. Freq.  
(Hz)  
Pixel Freq.  
(MHz)  
25.175  
31.500  
31.500  
28.322  
40.000  
50.000  
49.500  
65.000  
75.000  
78.750  
108  
H/V Sync.  
Polarity  
-/-  
Resolution  
Mode  
VGA-480  
640 x 480  
640 x 480  
640 x 480  
720 x 400  
800 x 600  
800 x 600  
800 x 600  
1024 x 768  
1024 x 768  
1024 x 768  
1280 x 1024  
1280 x 1024  
59.940  
72.809  
75.000  
70.087  
60.317  
72.188  
75.000  
60.004  
70.069  
75.029  
60.020  
75.025  
-/-  
VESA - 480 - 72Hz  
VESA - 480 - 75Hz  
VESA-400-TEXT  
VESA-600-60 Hz  
VESA-600-72 Hz  
VESA-600-75 Hz  
XGA  
-/-  
-/+  
+/+  
+/+  
+/+  
-/-  
-/-  
VESA-768-70 Hz  
VESA-768-75 Hz  
SXGA  
+/+  
+/+  
135  
+/+  
SXGA  
Note: When the in put display mode is not 1280 x 1024, the image is smoothly expanded to 1280 x 1024 dots with  
the PW131 scaling engine. After expansion from 640x480, 720x400, 800x600, and 1024x768 resolution, the  
text may look not so sharp, and the Graphics may look not so proportional.  
Troubleshooting  
This LCD Monitor has pre-adjusted using factory standard VGA timings. Due to the output timing differences among  
various VGA cards in the market, users may initially experience an unstable or unclear display whenever a new  
display mode or new VGA card is selected.  
Attention  
This LCD Monitor Supports Multiple VGA Modes.  
Refer to the Standard Timing Table for a listing of modes supported by this LCD Monitor.  
PROBLEM Picture is unclear and unstable  
The picture is unclear and unstable, please perform the following steps :  
1. Enter PC to “Shut Down Windows” status while you’re in MS-Windows environment.  
2. Check the screen to see if there’s any black vertical stripes appear. If there are, take advantage of the  
“Clock” function in OSD menu and adjust (by increment or decrement numbers) until those bars  
disappear.  
3. Move to “Phase” function in OSD menu again and adjust the monitor screen to its most clear display.  
4. Click “No” on “Shut Down Windows” and back to the normal PC operating environment.  
PROBLEM There is no picture on LCD Monitor  
If there’s no picture on the LCD Monitor, please perform the following steps:  
1. Make sure the power indicator on the LCD Monitor is ON, all connections are secured, and the system is  
running on the correct timing. Refer to Chapter 3 for information on timing.  
2. Turn off the LCD Monitor and then turn it back on again. If there is still no picture, press the Adjustment  
Control button several times.  
3. If step 2 doesn’t work, connect your PC system to another external CRT. If your PC system Functions  
properly with a CRT Monitor but it does not function with the LCD Monitor, the output timing of the  
VGA card may be out of the LCD’s synchronous range. Please change to an alternative mode listed in  
the Standard Timing Table or replace the VGA card, and then repeat steps 1 and 2.  
PROBLEM There is no picture on LCD Monitor  
If you have chosen an output timing that is outside of the LCD Monitor’s synchronous range (Horizontal: 30  
~ 80 KHz and Vertical: 56 ~ 75 Hz), the OSD will display a “Out of Range” message. Choose a mode that  
is supported by your LCD Monitor.  
Also, if the signal cable is not connected to LCD monitor at all or properly, the monitor screen will display a  
message “No Input Signal”.  
10  
 

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