Sceptre Technologies Computer Monitor X20g NagaIII User Guide

X20G-NagaIII  
User’s Manual  
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The Federal Communications Commission warns that changes or  
modifications of the unit not expressly approved by the party responsible  
for compliance could void the user’s authority to operate the equipment.  
CE mark for Class B ITE (Following European standard EN55022/1998; EN61000-  
3-2/1995; EN61000-3-3/1995, EN55024/1998, EN60950/1992+A1+A2+A3+A4+A11)  
Radio Frequency Interference Statement  
Warning:  
This is a Class B product. In a domestic environment, this product may  
cause radio interference in which case the user may be required to take  
adequate measures.  
Canadian Doc Notice  
For Class B Computing Devices  
This digital apparatus does not exceed the Class B limits for radio noise  
emissions from digital apparatus as set out in the Radio Interference  
Regulation of the Canadian Department of Communications.  
“Le présent appareil numérique n’èmet pas de bruits radioélectriques  
dépassant les limites applicables aux appareils numériques de la class B  
prescrites dans le Règlement sur le brouillage radioélectrique édicté par  
le ministère des Communications du Canada."  
ii  
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TABLE OF CONTENTS  
TABLE OF CONTENTS ..........................................................................................III  
Your New LCD Monitor  
1
Unpacking  
1
Identifying Components  
Adjusting the Tilting Angle  
Connecting AC Power and Video Cable  
Power Management System  
The LCD Monitor’s Control Panel  
Adjusting the Monitor’s Display  
TFT LCD Monitor Specifications  
Supported Timing  
3
5
6
7
8
9
14  
16  
18  
Troubleshooting  
iii  
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The LCD Monitor  
Your New LCD Monitor  
Your LCD Monitor has been designed to be versatile, ergonomic and  
user-friendly. The LCD Monitor is capable of displaying most  
standards, from 640x400 VGA to 1680x1050 WSXGA+. The digital  
controls located on the front panel allow the user to easily adjust the  
Monitor’s display parameters, and the LCD Monitor’s small footprint  
gives you more room in your workspace for other peripherals.  
Lightweight and compact, the LCD Monitor is the perfect solution for  
users on the go. You can use the LCD Monitor for everything from  
making business presentations to playing computer games. The  
Monitor also has a wall-mountable stand for added convenience.  
The architecture of the LCD Monitor incorporates an LCD panel that produces a clear display  
with low radiation emission. And with its low power consumption, the LCD Monitor helps you  
reduce your power bill.  
Unpacking  
Before unpacking your LCD Monitor, prepare a suitable workspace for  
your LCD Monitor and computer. Look for a stable, level and clean  
surface near a wall outlet. Even though the LCD Monitor uses very little  
power, you should put it in a location, which allows sufficient airflow to  
ensure that the LCD Monitor and your computer do not overheat. Set up  
your LCD Monitor so that the panel is not facing a window where sunlight  
often comes in. The glare caused by sunlight reflecting off of the LCD  
Monitor’s screen will make it difficult to use the Monitor for viewing.  
1
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Note: Using a computer for an extended period of time with a poor workstation  
set-up and incorrect working habits can cause health problems. The science of  
ergonomics studies the relationship between health and a suitable working  
environment. There is a section on ergonomics at the end of this chapter. For  
more information on ergonomics, contact your nearest computer bookstore, or  
local library. The Internet also has information on this and other subjects.  
If you previously were using a CRT monitor instead of a LCD monitor, please do not  
connect the LCD monitor to your computer yet. Please use the CRT monitor and turn on  
your computer. Make sure your video card’s refresh rate is at 60hz in the Display Setting’s  
Advance Menu under the Display Adapter tab. Once that is achieved you can then turn off  
the computer and plug your new LCD monitor in  
After unpacking your LCD monitor, make sure the following items are included  
in the box and are in good condition:  
LCD monitor  
Power Cord  
Monitor-To-PC Analog signal cable 15pin  
Monitor-To-PC DVI signal cable  
1.5M stereo Jack Audio Cable  
User’s manual  
¾
DVI- to- YpbPr cable – option  
¾
1.5M RCA jack to stereo jack cable - option  
If you find that any item to be missing or appear to be damaged, contact  
your dealer immediately. DO NOT throw away the packing material or  
shipping carton in case you need to ship or store the LCD monitor in the  
future.  
2
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Identifying Components  
A. The LCD Monitor — Front View  
3
1
1
2
4
Figure 1-1: The LCD Monitor Front View  
1. Sceptre logo Indicator  
This Logo indicator will light on for 3 minutes , then dimmer  
2. Monitor Stand  
3. LCD Screen  
The LCD monitor is a 20.1-inch TFT 1680 x 1050 Wide  
WSXGA+ screen.  
4. LCD Monitor Control Panel  
Refer to Chapter 2 for more details.  
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B. "Hot Keys" for Quick Adjustment of Monitor Settings  
Figure 1-2: "Hot Keys"  
1. Brightness adjustment "hot key":  
50  
Press - or + buttons to allow you to  
adjust the brightness function  
-
+
2. Source select “ Hot Key :  
Source D-Sub  
Source DVI  
Press S button to allow you to change  
the input source between DVI port and  
RGB port, if the screen can’t detect  
signal, then it will switch to the next  
automatically  
If DVI port connects to a PC , display  
PC screen.  
If DVI port connects to a HD TV signal  
box, the screene will display HDTV  
video. It should use DVI to YPbPr  
cable to connet to HD video signal.  
3. Auto-Adjustment “ Hot Key”  
Press Y button then release. The  
monitor will automatically adjst the  
video timing to get the best display  
performance  
4
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Adjusting the Tilting Angle  
The LCD Monitor’s angle settings range from 0° to 10°.  
0 to 10  
Figure 1-4: Tilting the Monitor  
5
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Connecting AC Power and PC Video Cable  
Note: Turn off your PC and the LCD monitor before connecting your LCD monitor to the computer.  
AC-IN  
Audio  
DVI  
VGA  
AC Outlet  
(Wall Socket)  
Computer Power Cord  
Figure 1-5: PC conenction  
Connecting with YPbPr configuration  
RCA to  
Stereo  
Jack cable  
DVI to YPbPr Cable  
AC-IN  
AC Outlet  
(Wall Socket)  
Computer Power Cord  
Figure 1-6  
Note: Our machine can support up to 1080P YPbPr signal  
6
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Power Management System  
This LCD Monitor complies with the VESA DPMS power management proposal.  
When the LCD Monitor is in power-saving mode or detects an incorrect timing, the monitor screen  
will be blank and the power LED indicator starts blinking.  
7
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The Display Controls  
The LCD Monitor’s Control Panel  
Figure 2-1: The Control Panel  
1. Cursor Movement button Y &Z  
These buttons let you move horizontally across your settings  
2. Ajustment button - & +  
These buttoms let you to change the setting value or move  
to next sub-menu  
3. Menu: OSD Menu button  
Press this button to display the OSD (On-Screen Display)  
menu.  
4. Source: Source select hot key  
Press this button to change the input source from D-Sub to  
DVI  
5.  
Power Switch  
This button lets you turn power for the LCD monitor ON or  
OFF.  
8
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Adjusting the Monitor’s Display  
OSD Main Menu  
1. Pressing the OSD Menu button causes the screen below to appear.  
2. Use the Y &Z key to select the desired group, then press - & + key  
to the sub-menu  
3. Repeat step 2 to select the changed item, then press - & + to change the value.  
4. Press the Menu to return to the sub-menu item 3 to another adjustment  
Timing :  
1680 x 1050  
74.6Hz 79KHz  
X20G-NAGA III  
1680 x 1050 or  
1280 x 720  
V/H Freq :  
Sceptre  
Recommned  
The OSD Main Menu  
OSD Main SCREEN  
9
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Auto Adjust Option  
The Auto Adjust option lets the monitor determine and  
select the settings that are most appropriate for your  
system requirements.  
Note: it only apply for Analog RGB input  
Provides you with the current display timing information.  
Brightness and Contrast Adjustment  
Adjusts the Brightness value  
Adjusts the Contrast value  
Execute the white balance function  
Return to the previous Menu  
Audio Function  
Volume : Adjust the speaker volume  
Mute : Mute the speaker  
Return  
Color Temperature Adjustment  
10  
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Set up the color temperature value  
User Mode  
Sets the color temperature to 6500K  
Sets the color temperature to 9300K  
Red  
change Red gain for the color temperature  
(only valid when color temperature set at user mode )  
Green  
change Green gain for the color temperature  
(only valid when color temperature set at user mode )  
Blue  
change Blue gain for the color temperature  
(only valid when color temperature set at user mode )  
Return to the previous Menu  
Display Quality Adjustment  
Auto Adjust : use this option to apply automatically setting  
Changes the screen viewing size  
11  
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Adjusts phase tracking to reduce display flicker  
Moves the whole screen right or left  
Moves the whole screen up or down  
Return to the previous Menu  
OSD Adjustment  
Restores settings to factory default values  
Sets the OSD timer  
Moves the OSD menu horizontally  
Moves the OSD menu vertically  
Set the graphic mode or text mode  
Return to the previous Menu  
Exit the OSD screen  
12  
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Note:  
1) No video  
When the monitor is ON and there is no video signal received,  
the following message will be displayed  
2) Signal out of range  
When the frequency range of the signal is out of the Monitor’s specifications, (over 85HZ) the  
display will show the following message  
Out of Range  
13  
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Appendix A  
TFT LCD Monitor Specifications  
Item  
Specification  
LCD Panel  
20.1" WSXGA+  
Control  
Functions  
Power  
Software Power switch with LED indicator  
(ON/OFF)  
On-Screen  
Display  
(OSD)  
Main Menu  
Submenu  
Information  
Brightness  
/Contrast Control  
Brightness/Contrast/White  
balance/Exit  
Audio Control  
Volume/Mute/Exit  
Color temperature User mode, 9300K, 6500K  
Control  
R,G,B, gain value  
Display Quality  
Auto Adjustment/Phase  
adjustment/Screen Size/ Screen  
Horizontal position/Screen Vertical  
position/Exit  
OSD adjsutment  
Restore to the default/OSD timer/OSD  
Horizontal Position/OSD Vertical  
Position/640&720/Exit  
Display Area  
(mm)  
433.44 x 270.9  
(20.1" diagonal)  
Display  
Colors  
16.7 M  
Video  
Interface  
VGA Compatible Analog RGB  
DVI compatible signal  
HD Video  
Interface  
480i/480P/720i/720P/1080i/1080P  
14  
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Scanning Frequency  
H/V, Hz  
24-91K  
50-85  
Power Management  
Meets VESA DPMS  
51.6W/1W Max.  
Power Consumption  
(ON/OFF, W)  
Dimensions  
WxHxD  
18.72 x 15.14 x 6.69 in.  
(475.4 x 384.5 x 170mm)  
Net Weight  
(approx.)  
16.256 lbs  
(6.4 Kg)  
Power Supply  
Environment  
Universal Input AC Socket  
Operating Temperature: 32 to 104°F (0 to 40° C)  
Relative Humidity: 10% to 90%  
Regulatory  
FCC B DoC,UL/cUL,Energy star  
15  
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Appendix B  
Supported PC Timing  
Vertical  
Scanning  
Frequency  
(Hz)  
Horizontal  
Scanning  
Frequency  
(kHz)  
Item  
Standards  
Resolution  
Dot Clock  
(MHz)  
1
2
3
4
5
6
7
8
NEC PC98  
MAC 13" mode  
MAC 17" mode  
VGA  
640x400  
640x480  
1024x768  
640x350  
640x400  
640x480  
640x480  
640x480  
640x480  
800x600  
800x600  
800x600  
800x600  
800X600  
720x400  
832x624  
1024x768  
1024x768  
1024x768  
1152X864  
1280X1024  
1280X1024  
1280x720  
1280x960  
1680X1050  
21.05  
30.24  
80.00  
25.18  
25.18  
25.18  
31.50  
31.50  
36.00  
36.00  
40.00  
50.00  
49.50  
56.25  
28.32  
57.28  
65.00  
75.00  
78.75  
108.  
56.42  
66.67  
75.02  
70.09  
70.09  
59.94  
72.81  
75.00  
85.00  
56.25  
60.32  
72.19  
75.00  
85.00  
70.09  
74.55  
60.00  
70.07  
75.03  
75.00  
60  
24.83  
35.00  
60.24  
31.47  
31.47  
31.47  
37.86  
37.50  
43.30  
35.16  
37.88  
48.08  
46.88  
53.70  
31.47  
49.73  
48.36  
56.48  
60.02  
68.70  
63.98  
80  
VGA  
VGA  
VESA  
VESA  
VESA  
VESA  
SVGA  
VESA  
VESA  
VESA  
VGA  
VGA  
XGA  
VESA  
VESA  
VESA  
9
10  
11  
12  
13  
14  
15  
16  
17  
18  
19  
21  
22  
23  
25  
26  
28  
VESA  
VESA  
Non-VESA  
VESA  
Non-Vesa  
108  
135  
74.02  
108  
146.250  
75  
60  
60  
60  
44.7  
60  
65.3  
*Once a mode is optimized, there is no need to make any further adjustment  
as long as the VGA card remains unchanged.  
*Specifications are subject to change without notice.  
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Supported YCbC/YPbPr mode  
Vertical  
Scanning  
Frequency  
(Hz)  
Horizontal  
Scanning  
Frequency  
(kHz)  
Item  
Standards  
1
2
3
4
5
6
7
8
9
720x480i  
720x480P  
720x576i  
29.97  
59.94  
25  
50  
50  
60  
25  
30  
50  
15.73  
31.46  
15.62  
31.25  
37.5  
720x576P  
1280x720P  
1280x720P  
1920x1080i  
1920x1080i  
1920x1080P  
1920x1080P  
45  
28.12  
33.75  
56.25  
67.5  
10  
60  
17  
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Appendix C  
Troubleshooting  
This LCD monitor comes pre-adjusted with standard VGA timing. Due to output timing differences  
among various VGA cards, you may initially experience an unstable or unclear display when a new  
display mode or new VGA card is selected.  
Before applying any of the following troubleshooting procedures, you should first apply the Auto  
Adjust option in the OSD menu.  
PROBLEM: Display is unclear and unstable  
To stabilize and clarify your display, open the OSD and adjust the clock and  
phase to obtain a clear display or change the resolution to the display’s optimal  
setting 1680 x 1050 at 60hz. Make sure you use auto adjust function after  
changing the resolution.  
PROBLEM: There is no LCD display  
If there is no display on the LCD, refer to the following:  
1. Make sure that the power indicator on the LCD monitor is lit,  
that all connections are secure, and that the system is running  
on the correct timing. Refer to Appendix B for information on  
timing.  
2. Turn off the LCD monitor and then turn it back on again. Press  
the OSD Menu button (refer to Chapter 2) once and then press  
one of the Adjustment Control buttons several times. If there is  
still no display, press the other Adjustment Control button  
several times.  
3. If step 2 does not 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, and the  
LCD monitor’s power LED is blinking, the output timing of the  
PC’s VGA card may be out of the LCD’s synchronous range.  
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Change to one of the alternate modes listed in Appendix B, or  
replace the VGA card and repeat steps 1 and 2.  
4. If the power LED is not lit, check that the AC power connector is  
securely connected, and verify that the AC adapter LED is lit. If  
the AC adapter LED is not lit, please contact your dealer for  
assistance.  
PROBLEM: The LCD displays “signal out of range” error message  
1. If you have a CRT monitor, please connect the CRT monitor to  
the computer and change the refresh rate down to 60hz via  
your video card’s display settings menu. After the setting of  
60hz has been change you can then use the LCD on the  
computer.  
2. If you do NOT have a CRT monitor, please make sure both the  
X20G-NAGAIII and your computer is turned off. Afterwards  
turn on the LCD and the computer.  
3. While the computer is turned on, press the “F8” key on your  
keyboard continuously until a selection menu appears and  
select the “Safe Mode” option.  
4. When you’ve entered Safe Mode please uninstall any video  
card driver and monitor driver by using either the “Add /  
Remove Programs” icon or going into “System Properties” and  
manually removing anything under “Monitors” and “Display  
Adapters”.  
5. After removing all the drivers, please reboot your computer and  
you should be able to see windows. Please then procede to  
install your monitor driver first, then your video card driver.  
Please remember to make sure your refresh rate should be at  
60hz.  
19  
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