NEC Computer Monitor LCD1280 User Manual

LCD1280 10/29/99 9:25 AM Page 1  
W o o d D a l e , I l l i n o i s 6 0 1 9 1 - 1 0 9 4  
1 2 5 5 N . M i c h a e l D r i v e  
N E C T e c h n o l o g i e s , I n c .  
P r i n t e d i n U . S . A .  
P a r t N o .  
" 3 T 1 r u e C o l o r T F T L C D M  
13" True Color TFT LCD Monitor  
Users Manual  
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Introduction  
formance necessary for todays sophisticated Windows,  
Contents of Package  
Macintosh, Silicon Graphics, Sun and other workstation  
applications.  
Congratulations on your purchase of the NEC LCD1280  
True Color monitor!  
In addition to offering support for VGA graphics mode  
(640 x 480), the LCD1280 supports WS high resolution  
mode (1280 x 1024). The LCD1280 automatically detects  
and changes between WS high resolution mode and VGA  
graphics mode. The LCD1280 can display an infinite  
number of colors in its high resolution mode.  
Included with your LCD1280 monitor are the following items:  
1. NEC LCD1280 (Model #LA-1331JSW) True Color monitor.  
2.AC power cable.  
3.Video signal cable (15 pin mini D-sub male to 5  
branched BNC male).  
4.Users Manual.  
Analog Interface  
Remember to save the original box and packing materials  
to transport or ship this monitor.  
Because the LCD1280 accepts an analog input, a graphics  
card with digital output is not required. The same graph-  
ics board can be used to drive the LCD1280 or a standard  
CRT monitor. The analog interface also provides the LCD  
with its true-color capability. Unlike digital panels, the  
LCD1280 is able to display a continuous spectrum of  
“true” colors.  
Introduction to the NEC LCD1280  
True Color Monitor  
The LCD1280 monitor provides superior display  
performance, a reduced footprint and the flexibility and  
adaptability required by todays complex computing  
environments.  
Reduced Footprint  
The LCD1280 monitor offers nearly the same active  
The LCD1280 features a 13-inch (diagonal viewable  
image size), active matrix, true-color, thin-film-transistor,  
liquid crystal display to provide superior display perform-  
ance with a reduced footprint. Less than seven inches in  
depth, the LCD1280 monitor is ideal for environments with  
space and weight constraints that require superior image  
quality. The LCD1280 also delivers the outstanding per-  
display size as a conventional 15-inch CRT (13.8” diagonal  
viewable image size) at 40% of the depth and 30% of the  
weight. With a depth of less than seven inches, the reduced  
footprint of the LCD1280 provides the ideal solution for  
applications requiring a large display and high resolution but  
where space and weight are of particular concern.  
1
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Introduction  
Low Power Consumption  
The LCD1280 has been designed with NECs IPM™ (Intelligent  
Power Manager) System. When utilized with an Energy Star  
system or video card, the LCD1280's IPM System is an innova-  
tive power saving utility that complies with both the EPAs  
Energy Star requirements and Europes NUTEKs power man-  
agement requirements.  
different IPM modes. The following is the description of the  
LED indicator for the IPM power saving modes:  
Mode  
ON  
LED Indicator  
Green  
Power Consumption  
Typical: 45 watts  
Stand By & Suspend  
Power Switch, OFF  
Amber  
No Light  
Typical: Less than 8 watts  
No Power Used  
With a maximum power consumption of only 50 watts in  
its on mode, the LCD1280 monitor consumes up to 50%  
less power and emits less heat than conventional CRTs.  
In its power saving mode, the LCD1280 consumes less  
than 8 watts. All this translates into energy savings, envi-  
ronmental protection, reduced emissions and reduced air  
conditioning costs of the work environment.  
ErgoDesign™  
The LCD1280 utilizes NECs ErgoDesign philosophy to  
make the panel more comfortable and easy to use. The  
panels power and brightness control are positioned within  
easy reach, and the tilt base adjusts to each individuals  
preferred angle of vision. The LCD1280 monitors cabinet  
design and aesthetics look good from all angles.  
The LCD1280 monitor follows the Video Electronics Standard  
Association (VESA) approved DPMS power-down signaling  
method. VESA’s Display Power Management Signaling (DPMS)  
method which is endorsed by the EPA is the power-down  
process a system should use to communicate to the monitor to  
save power. Power-down functions can only be utilized with  
an Energy Star system or video card which adheres to the  
VESA DPMS standard. By using the monitors horizontal and  
vertical SYNC signals, the monitor can be prompted into the  
Reduced Emissions  
Incorporating NECs own Reduced Magnetic Field™ tech-  
nology, the LCD1280 has minimal field emissions and  
follows the strictest magnetic field, alternating electric field  
and electro-static recommendations of the Swedish Board  
for Technical Accreditation, or SWEDAC (previously  
known as MPR, National Board for Measurement and  
Testing). The LCD1280 conforms to SWEDAC MPR  
1990:8 (MPR II) Testing Methods for Emissions. These  
standards are the most restrictive guidelines in the world.  
2
LCD1280 Specifications  
Display:  
13-inch (13.0” viewable image size), active matrix, thin film transistor (TFT), liquid crystal  
display (LCD); 0.201mm dot pitch; RGB vertical stripe color filter arrangement; 100 cd/m2  
white luminance, typical; 100:1 contrast ratio, typical  
Compatibility:  
640 x 480: VGA, 60 Hz vertical refresh  
1280 X 1024: WS high resolution, 60 Hz vertical refresh  
Synchronization Range:  
VGA:  
Horizontal:  
Vertical:  
29.5 kHz to 33.5 kHz  
> 60 Hz  
Pixel Frequency:  
Horizontal:  
Vertical:  
25.175 MHz 50 ppm  
63.0 kHz to 66.4 kHz  
> 60 Hz  
High  
Resolution:  
Pixel Frequency  
(switchable):  
107.5 MHz 50 ppm, or  
107.352 MHz 50 ppm  
Resolution:  
Horizontal:  
Vertical:  
1280 dots  
1024 lines  
Active Display Area:  
Horizontal:  
Vertical:  
257.3 mm, 10.13”  
205.8 mm, 8.10”  
Minimum Viewing Angles:  
Input Signal:  
Up 10°, Down 30°, Right 30°, Left 30°  
Video: Analog Red, Green, Blue  
Input Impedance: 75 ohms +/– 5% (at 100 kHz)  
Sync:  
Separate sync. TTL level  
Horizontal sync: positive/negative  
Vertical sync: positive/negative  
Composite sync: TTL level, positive/negative  
Composite sync. on green video: 0.3 Vp-p (+/– 3 dB) negative  
(Video 0.7 Vp-p positive)  
3
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Introduction  
LCD1280 Specifications  
Display Colors:  
Unlimited colors (depends on graphics interface and/or application)  
Power, brightness, horizontal position, vertical position, clock delay adjust  
15-pin mini D-sub male to 5 branched BNC male  
User Controls:  
Signal Cable:  
Power Supply:  
AC 90 to 264 V worldwide input, 48 to 62 Hz  
Power Consumption:  
Dimensions (W, H, D):  
Weight:  
Typical: 45 watts in ON mode, Under 8 watts in power saving mode.  
344 x 325 x 171 mm/13.5 x 12.8 x 6.7 inches  
Net: 5.0 kg /11.0 lbs.  
Gross: 6.8 kg /15.0 lbs.  
Tilt Rotation:  
Up: 25 degrees  
Down: 5 degrees  
Environmental:  
Operating temperature:  
Storage temperature:  
10°C to 30°C, 50°F to 86°F; humidity 80% maximum  
–10°C to 60°C, 14°F to 140°F, humidity 85% maximum  
Note: All technical specifications are subject to change without notice.  
4
Installation  
a high resolution pixel frequency of 107.5 MHz 50 ppm  
or 107.352 MHz 50 ppm. Silicon Graphics’ INDIGO2  
workstation does not require a graphics card. (For a current  
list of compatible platforms please call NECs FastFacts at  
1-800-366-0476 and request document #52301280).  
Recommended Use  
For optimum performance, please note the following when  
setting up and using the LCD1280 color monitor:  
• The optimum monitor position is facing away from direct sunlight.  
• Match the monitors brightness to the ambient room brightness.  
The brightness control should be adjusted to a point where the  
To attach the monitor to your system, follow these instructions:  
1. Turn off the power to the monitor and computer.  
overall background area just begins to disappear.  
• If possible, use a white background and black text to ease eye  
strain.  
• Do not place any heavy objects on the power cord. Damage  
to the cord may cause shock or fire.  
2. If necessary, install the graphics card and drivers.  
Determine the pixel frequency (DOT clock) output and the  
SYNC method used by the graphics card or system. For  
more information, refer to the graphics card or system manual  
or the FastFacts document referred to above.  
• Handle with care when transporting.  
3. Make sure the H-SEL switch on the rear of the panel  
is positioned to the appropriate pixel frequency (if you are  
not sure, refer to the board manual or documents). Under  
most cases, a timing of 107.5 MHz will apply (Mode 1). For  
SGIs INDIGO2, a timing of 107.352 MHz applies (Mode 2).  
• Use the monitor in a clean and dry area.  
• Clean the LCD surface with a lint-free, non-abrasive cloth and a non-  
alcohol, neutral, non-abrasive cleaning solution or glass cleaner.  
• For optimum performance, allow 20 minutes for warm-up.  
• Avoid displaying fixed patterns on the monitor for extremely long  
periods of time to avoid after-image effects.  
1
2
H-SEL  
Pixel Frequency (DOT clock):  
H-SEL Mode 1 — 107.5 MHz  
H-SEL Mode 2 -— 107.352 MHz  
Connection to Graphics Cards using BNC cables  
The NEC LCD1280 color monitor complements a host of  
computing platforms. However, because the LCD1280 is a  
high resolution, full color analog monitor, it may require  
the use of a graphics card (sometimes referred to as a  
video card, video adapter or graphics board) that sup-  
ports high resolution graphics (1280 x 1024), 24-bit color  
(16.7M colors), delivers an analog output, and which has  
4. Make sure the SYNC switch on the rear of the panel  
is positioned to the appropriate mode.  
SYNC  
Input Mode:  
OFF — Separate Sync/  
Composite Sync  
ON — Sync on Green  
OFF ON  
5
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LCD1280 10/29/99 9:25 AM Page 6  
Installation  
5. Make sure the appropriate BNC cable is used. Should the  
Connect the red BNC cable to the BNC connector on the  
monitor labeled R. The green BNC cable should be connec-  
ted to the BNC connector on the monitor labeled G. The  
blue BNC cable should be connected to the BNC connector  
on the monitor labeled B. If you have a fourth BNC connec-  
tor (Composite Sync), connect it to the BNC connector on the  
monitor labeled H/CS. If you have a fifth BNC connector  
(Vertical Sync), connect it to the BNC connector on the moni-  
tor labeled VS. Please see Appendix 1 for pin assignments.  
graphics adapter require a connector other than the 15 pin  
mini D-sub male included with the monitor, please call NEC  
at (800) 820-1230. Connect cable to system.  
6. Connect BNC cables as follows according to the input video  
mode selected above. (Note: incorrect cable connections  
may result in irregular operation, damage display quality/  
components of LCD module, and/or shorten the  
modules life.)  
7. Connect one end of the power cable to the LCD1280  
monitor and the other end to the power outlet.  
8. Turn on the monitor and the computer.  
H Sync/Composite Sync  
V Sync  
SYNC  
Note: If the settings and connections were made properly,  
the LED on the front of the LCD1280 will show green.  
If the LED displays an amber color, the monitor is not receiv-  
ing the appropriate input. Please make certain that the  
above settings were made properly. If the LED continues  
to display an amber color or the monitor is not displaying  
a stable image, please refer to the Troubleshooting section  
of this manual.  
H/CS  
VS  
B
OFF ON  
G/SYNC  
R
Sync Mode Select  
Blue  
Green / Sync on Green  
Red  
9. This completes the installation.  
Input Video Mode H/CS VS R G/SYNC B  
Separate Sync  
Composite Sync  
Sync on Green  
O
O
X
O
X
X
O
O
O
O
O
O
O
O
O
O - BNC connector is utilized; X - BNC connector is not utilized  
6
Controls  
SYNC Mode Select Switch: allows selection between  
Front Controls:  
Standard mode (OFF) and Sync on Green (ON)  
priority mode.  
Brightness: slide type control adjusts the overall image  
and background screen brightness.  
H-SEL Pixel Frequency Select Switch: selects the external  
pixel clock source for WS timing 1 (107.5 MHz) or  
WS timing 2 (107.352 MHz).  
LED Power Indicator Light: indicates the monitors power  
mode. Each mode reduces the amount of power used  
by the monitor:  
Mode  
Light  
WS Clock Delay Adjust (H-C): adjustment of WS pixel  
clock delay rate.  
Rough WS Horizontal Adjust (H-H1): rough adjustment  
for horizontal position of WS mode (16 dot increment  
per operation).  
Fine WS Horizontal Adjust (H-H2): fine adjustment for  
horizontal position of WS mode (1 dot increment per  
operation).  
ON  
green  
Stand By & Suspend  
Power Switch, OFF  
amber  
no light  
Side Control:  
Power Switch: push type button located on right side of  
monitor base turns the power on or off. When the  
power is on, the LED is lit.  
Rough WS Vertical Adjust (H-V1): rough adjustment for  
vertical position of WS mode (16 line increment per  
operation).  
Fine WS Vertical Adjust (H-V2): fine adjustment for  
vertical position of WS mode (1 line increment per  
operation).  
Rear Controls:  
Display Position / Clock Delay Adjust  
V-H2  
V-C  
V-V1  
V-H1  
V-V2  
H-C  
H-H2  
H-V2  
H-H1 H-V1  
H-SEL  
Pixel Frequency  
Select  
VGA Clock Delay Adjust (V-C): adjustment of VGA pixel  
clock delay rate.  
Rough VGA Horizontal Adjust (V-H1): rough adjustment  
for horizontal position of VGA mode (32 pixel / 16  
dot increment per operation).  
0
2
6
E
A
H/CS  
VS  
B
SYNC  
4
C
OFF  
ON  
R
G/SYNC  
8
Sync Mode Select  
7
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Controls  
Fine VGA Horizontal Adjust (V-H2): fine adjustment for  
horizontal position of VGA mode (2 pixel / 1 dot  
increment per operation).  
Rough VGA Vertical Adjust (V-V1): rough adjustment for  
vertical position of VGA mode (32 pixel / 16 line  
increment per operation).  
Fine VGA Vertical Adjust (V-V2): fine adjustment for  
vertical position of VGA mode (2 pixel / 1 line  
increment per operation).  
8
Troubleshooting/Support  
Problem  
Check These Items  
No Picture  
• The signal cable should be completely connected to the video card/computer.  
• The video card should be completely seated in its slot.  
Power Switch and computer power switch should be in the ON position.  
• Check BNC connectors to make certain that each connector has been attached correctly.  
• Check H-SEL Switch and SYNC Switch to make certain that they are in the  
correct position according to the Installation section of this manual.  
Image is unstable or swimming  
is apparent  
• Signal cable should be completely attached to the computer.  
• Check the monitor and your video card with respect to compatability and recommended  
signal timings (Please see FastFacts document #52301280 and Appendix 2).  
• Check the SYNC Switch and H-SEL Switch for their correct position.  
LED on the monitor is not lit  
(no green or amber color can  
be seen)  
• Power Switch should be in the ON position and the power cord should be connected.  
• Make certain the computer is not in a Power-Saving mode (touch the keyboard or mouse).  
Picture is not focused or  
jitter is present  
• Use WS Clock Delay Adjust (H-C) or VGA Clock Delay Adjust (V-C) to focus  
display. When the display mode will be changed, the clock settings may need to be  
re-adjusted.  
Display image is not centered  
• Use WS and VGA horizontal and vertical adjustment controls located on the rear of the  
panel to adjust centering.  
9
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LCD1280 10/29/99 9:25 AM Page 8  
Troubleshooting/Support  
Technical Support  
FastFacts™  
FastFacts system is an easy-to-use, automated facsimile  
service that provides you with information whenever you  
need it, 24 hours a day, seven days a week. You can call  
the FastFacts system with your touchtone telephone, order a  
catalog listing the available documents, or order the docu-  
ment you need. Within minutes, your requested information  
will be sent to your fax machine. The information includes:  
If the problem persists, call NEC Technologies, Inc. at  
(800) 388-8888. Before you call, please follow these  
instructions to allow for faster service:  
• Call from a location at or near your monitor.  
• Know the name and model number of your monitor:  
LCD1280, LA-1331JSW  
• Know the name and the model number of the computer  
you are using, and have its manual nearby.  
• Know the name of the graphics card you are using, and  
have its manual nearby.  
• If it is more convenient to fax a question to NECs  
Technical Support, the fax number is (508) 635-4666.  
- product brochures  
- installation procedures  
- quick reference guides  
- troubleshooting information  
- compatibility charts  
The BBS  
To contact FastFacts, dial: (800) 366-0476.  
The NEC Remote Bulletin Board System (BBS) is a great  
way to keep in touch with NEC. It is an electronic service  
accessible with your system and a modem. You can tell us  
things about yourself, your experience with the product,  
and leave messages requesting on-line help. Also, the  
BBS keeps you up to date on the latest NEC products and  
lets you download new product information when it is  
available.  
Limited Warranty  
NEC Technologies, Inc. (hereinafter NECTECH) warrants  
this Product to be free from defects in material and work-  
manship and agrees to repair or replace any part of the  
enclosed unit which proves defective under these terms  
and conditions.  
How Long is the Warranty  
To contact the BBS using any computer with a modem,  
dial: (508) 635-4706.  
Communications parameters are: 300/1200/2400/9600  
bps, no parity, 8-data bits, 1 stop bit.  
Parts and labor are warranted for one (1) year from the  
date of the first consumer purchase. Spare parts are war-  
ranted for ninety (90) days.  
10  
5. This warranty covers only NECTECH-supplied components.  
Service required as a result of third party components is not  
covered under this warranty.  
Who is Protected  
This warranty may be enforced only by the first consumer  
purchaser and is not transferable.  
What NECTECH Will Pay For and What We  
Will Not Pay For  
NECTECH will pay labor and material expenses for covered  
items, but we will not pay for the following:  
What is Covered and What is not Covered  
Except as specified below, this warranty covers all defects  
in material or workmanship in this Product. The following  
are not covered by this warranty:  
1. Any Product which is not distributed in the U.S.A. or  
Canada by NECTECH or which is not purchased in the  
U.S.A. or Canada by the first consumer purchaser.  
2. Any Product on which the serial number has been defaced,  
modified or removed.  
3. Damage, deterioration or malfunction resulting from, but not  
limited to:  
1. Removal or installation charges.  
2. Costs of initial technical adjustments (set-up), including adjust-  
ment of user controls.  
3. Payment of shipping and related charges incurred in returning  
the Product for warranty repair.  
How You Can Get Warranty Service  
a. Accident, misuse, abuse, neglect, fire, water, lightning  
or other acts of nature, improper storage, unauthorized  
Product modification, or failure to follow instructions  
supplied with the Product.  
b. Alteration, repair or attempted repair by anyone not  
authorized by NECTECH.  
c. Any shipment of the Product (claims must be presented  
to the carrier).  
d. Removal or installation of the Product.  
This product must be returned to a NECTECH factory for  
repair. It shall be your obligation and expense to ship the  
Product, freight prepaid, to a facility authorized by NECTECH  
to render the warranty services in either the original package  
or a similar package affording an equal degree of protection.  
NECTECH may require that you provide the original bill of  
sale or receipt as proof of purchase in order to obtain war-  
ranty service. Please retain such proof of purchase with your  
records.  
e. Any other cause which does not relate to a Product  
defect.  
4. Cartons, carrying cases, batteries, external cabinets,  
magnetic tapes, or any accessories used in connection with  
the product.  
11  
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LCD1280 10/29/99 9:25 AM Page 9  
Troubleshooting/Support  
For Information, Telephone 1-800-388-8888  
Limitation of Damages and Implied  
Warranties  
NECTECH’S SOLE LIABILITY FOR ANY DEFECTIVE PRODUCT IS  
LIMITED TO THE REPAIR OR REPLACEMENT OF THE PRODUCT  
AT OUR OPTION. NECTECH SHALL NOT BE LIABLE FOR:  
NOTE: All Products returned to NECTECH for service  
MUST have prior approval; this may be obtained by call-  
ing the above number.  
This Product is warranted in accordance with the terms of  
this limited warranty. Consumers are cautioned that  
Product performance is affected by system configuration,  
software, the application, customer data, and operator  
control of the system, among other factors. While NEC  
TECHNOLOGIES, INC. Products are considered to be  
compatible with many systems, the specific functional  
implementation by the customers of the Product may vary.  
Therefore, the suitability of a Product for a specific pur-  
pose or application must be determined by the customer  
and is not warranted by NECTECH.  
1. DAMAGE TO OTHER PROPERTY CAUSED BY ANY  
DEFECTS IN THIS PRODUCT, DAMAGES BASED UPON  
INCONVENIENCE, LOSS OF USE OF THE PRODUCT,  
LOSS OF TIME OR DATA, COMMERCIAL LOSS; OR  
2. ANY OTHER DAMAGES, WHETHER INCIDENTAL,  
CONSEQUENTIAL OR OTHERWISE.  
THIS WARRANTY IS EXCLUSIVE AND IS IN LIEU OF ALL OTHER  
WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT  
LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY  
OR FITNESS FOR A PARTICULAR PURPOSE. SOME STATES DO  
NOT ALLOW THE EXCLUSION OF IMPLIED WARRANTIES OR  
THE LIMITATION OR EXCLUSION OF LIABILITY FOR INCIDEN-  
TAL OR CONSEQUENTIAL DAMAGES. THEREFORE, THE  
ABOVE EXCLUSIONS OR LIMITATIONS MAY NOT APPLY TO  
YOU.  
This warranty gives you specific legal rights, and you may  
also have other rights which vary from state to state.  
12  
Appendix 1  
Pin Assignment Table  
For the Monitor:  
H/CS  
G
VS  
B
R
BNC Number Separate SYNC Composite SYNC Sync on Green  
1
2
3
4
5
Horizontal  
Vertical  
Red  
Green  
Blue  
Composite SYNC  
No Connection  
Red  
Green  
Blue  
No Connection  
No Connection  
Red  
Green with SYNC  
Blue  
For the Graphics Board:  
1
2
3
4
5
9
6
7
8
10  
6
7
8
9
10  
A1  
A2 A3  
1
3
4
2
5
11 12 13 14 15  
IBM VGA  
13W3 Male  
15-pin mini D-Sub female  
A1  
A2  
A3  
Red Video  
Green Video  
Blue Video  
1
2
3
4
5
6
7
8
Red Video  
9
10  
11  
12  
13  
14  
15  
Reserved  
Digital Ground  
Green Video  
Blue Video  
Reserved  
Reserved  
3
4
Sense Code  
Reserved  
Return for Sense Code  
Composite Sync  
Sense Code  
Reserved  
Horizontal SYNC  
Vertical SYNC  
Reserved  
5
Red Ground  
Green Ground  
Blue Ground  
8
9
Sense Code  
Sync Return  
10  
13  
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LCD1280 10/29/99 9:25 AM Page 10  
Appendix 2  
Signal Timings  
Input Signal Timings (WS High Resolution Mode)  
Item  
Abbreviation Monitor Rating  
Pixel frequency  
Horizontal frequency  
Line Time total  
fc  
fh  
Th  
107.5MHz 50ppm 9.302nsec/pixel  
107.352HHz 50ppm  
63.9KHz  
9.315nsec/pixel  
64.60KHz  
15.479usec  
11.907usec  
1.786usec  
1.488usec  
0.298usec  
5ns(max.)  
1664CLK  
1280CLK  
192CLK  
160CLK  
32CLK  
15.649esec  
11.923usec  
1.118usec  
1680CLK  
1280CLK  
120CLK  
250CLK  
30CLK  
Horizontal active display Thd  
Horizontal sync pulse  
Horizontal baack porch  
Horizontal front porch  
H-sync Rise & Fall  
Vertical frequency  
Thp  
Thb  
Thf  
Thrf  
fv  
2.329usec  
0.279usec  
59.93Hz  
60.0Hz  
Frame time total  
Tv  
16.686msec  
15.850msec  
0.062msec  
0.666msec  
0.108msec  
1078H  
1024H  
4H  
16.667msec  
16.025msec  
0.047msec  
0.548msec  
0.047msec  
1065H  
1029H  
3H  
Vertical active display  
Vertical sync pulse  
Vertical back porch  
Vertical front porch  
Tvd  
Tvp  
Tvb  
Tvf  
43H  
35H  
7H  
3H  
IMPORTANT: The Jitter on Hsync output from video card should be less than 300 psec or you may see some jitter on the screen.  
14  
Input Signal Timings (VGA Mode)  
(The values of Front & Back porch are for reference only)  
Item  
Abbreviation Monitor Rating  
Pixel frequency  
Horizontal frequency  
Line Time total  
fc  
fh  
Th  
25.175MHz 50ppm  
31.469KHz  
31.778usec  
25.422usec  
3.813usec  
39.72nsec/pixel  
800CLK  
640CLK  
96CLK  
48CLK  
16CLK  
Horizontal active display Thd  
Horizontal sync pulse  
Horizontal back porch  
Horizontal front porch  
Vertical frequency  
Thp  
Thb  
Thf  
fv  
1.907usec  
0.636usec  
59.94Hz  
Frame time total  
Tv  
16.683msec  
15.253msec  
0.063msec  
1.017msec  
0.350msec  
525H  
480H  
2H  
Vertical active display  
Vertical sync pulse  
Vertical back porch  
Vertical front porch  
Tvd  
Tvp  
Tvb  
Tvf  
32H  
15H  
IMPORTANT: The Jitter on Hsync output from video card should be less than 300 psec or you may see some jitter on the screen.  
15  
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LCD1280 10/29/99 9:25 AM Page 11  
Appendix 2  
H-Video  
V-Video  
Tvd  
Thd  
Horizontal  
Vertical  
Thp Thb  
Thf  
Tvp Tvb  
Tvf  
Th  
Tv  
Fig. A2-1: Horizontal Timing  
Fig. A2-2: Vertical Timing  
V sync  
H sync  
Th  
H sync  
2.0V  
0.8V  
Thrf  
Thrf  
Fig. A2-3: Sync Timing  
16  
Appendix 3  
Signal levels  
Min.  
Typ.  
Max.  
0.765V  
0.072V  
0.694V  
0.5V  
Video Swing (White – Blank: W/O Sync process)  
Setup level (Black – Blank)  
0.035V  
0.627V  
.05V  
0.054V  
0.660V  
White level (White – Black)  
Video input offset (VAIO)  
White Level  
White Level  
Video swing  
Setup  
Video swing  
Black Level  
Blank Level  
Black Level  
Setup  
Blank Level  
Sync Level  
Fig. A3-1: Separate video wave forms  
Hsync  
Fig. A3-2: Sync on Green video wave forms  
Video  
VAIO  
Ground Level  
Fig. A3-3: Video input offset  
17  
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LCD1280 10/29/99 9:25 AM Page 12  
References  
Analog Interface  
BNC Cables  
1
Remote Bulletin Board System (BBS)  
10  
1, 3  
5
Resolution  
Brightness Control  
Compatibility  
Composite Sync  
Dimensions  
Display Area  
Display mode  
Dot Pitch  
ErgoDesign  
FastFacts  
FCC  
Focus  
7
Separate Sync  
Signal Levels  
Signal Timings  
Specifications  
Sync on Green  
SYNC Switch  
Synchronization Range  
Technical Support  
Tilt Base  
Timing Charts  
Troubleshooting  
VESA  
Video Board  
Viewing Angle  
Warranty  
6, 13  
17  
14, 15  
3, 4  
6, 13  
5, 7  
3
10  
2, 4  
14, 15  
1, 3, 5  
6, 13  
4
1, 3  
2
3
2
5, 10  
IFC  
9
5, 13  
2
5
5
2, 7  
2
9
2
5
3
Graphics Board  
Graphics Standards  
Input Mode  
Installation  
10, 11, 12  
1, 4  
LED indicator  
Magnetic Fields  
MPR  
Weight  
2
Pin Assignments  
Position Controls  
Power Consumption  
Power Supply  
Reduced Footprint  
Reduced Magnetic Field Technology  
13  
7
2, 4  
4
1
2
18  
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