User Manual
N E C
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The marketing and sales of the equipment was reported to the BZT.
(Federal Approvals Office for Telecommunications)
The right to retest this equipment to verify compliance with the regulation
was given to BZT.
ES MUSS SICHERGESTELLT WERDEN, DASS DIR VORGESEHENE
NETZSTECKDOSE NAHE AM GERÄT ANGEBRACHT UND
LETCHT ZUGÄNGLICH IST.
Die ergonomischen Anforderungen an Bildschirmgeräte im Bürobereich
nach ZH1 / 6 1 8 werden in Verbindung mit der
Videokarte: Prisma Graphic Sys. VGA RT800
erfüllt. Aus ergonomischen Gründer wird empfohlen, die Grundfarben
Blau und Rot nicht auf dunklem Untergrund zu verwenden (schlechte
Lesbarkeit und erhöhte Augenbelastung bei zu geringem Zeichenkontrast
wären die Folge). Weiterhin muß sichergestellt werden, daß die minimale
Bildwiederholfrequenz von
76 Hz bei Positivdarstellung
64 Hz bei Negativdarstellung
und
nicht unterschritten wird (störendes Bildschirmflimmern könnte die Folge
sein).
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Customer’s Record
The serial number of this product appears on the back of the unit.
You should note this serial number in the space provided below and retain
this manual as a permanent record of your purchase to aid in identifica-
tion in the event of theft or loss.
JC-1431VMB
Model number:
Serial number:
WARNING: To reduce the risk of fire or electric shock, do not expose
this Computer Display to rain or moisture.
Caution
use only with power cord plug having a parallel
For 120V Operation,
blade, grounding type plug, rated 125V 10A.
use only with power cord having a tandem blade,
For 240V Operation,
grounding type plug, rated 250V 5A.
Bescheinigung des Herstellers/lmporteurs
Hiermit wird bescheinigt, daß der/die/das
Monito.r. JC-1431V.M.B .
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(Gerät, Typ, Bezeichnung)
In Übereinstimmung mit den Bestimmungen der
BMPT. . Vfg.. 243/1991
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(Amtsblattverfugung)
funk-entstört ist.
das
zur
Dem Bundesamt fur Zulassungen in der Telekommunikation wurde
angezeigt und die Berechtigung
inverkehrbringen dieses Gerätes
Überprüfung der Serie auf Einhaltung der Bestimmungen eingeräumt.
Declaration of the Manufacturer or Importer
. . . . . . . . . M. . . .o. .n. .i.t.o. .r. . . . .J. C. . .-. 1. . .4. .3. .1. .V. . M. . . .B. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment, Type, Model-No.
.
We hereby certify that the
. . . . . . . . . B. . .M. . . .P. .T. . . . .V. . .f.g. ... . . 2. . 4. .3. .1. .1. .9. .9. .1. . . . . . . . . .
1s in compliance with the requirement of
RFI Suppressed.
.
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Ill
Contents
1 NEC SVGA Monitor
2 Setting Up
Environment
Connecting the Monitor
.........................
................
2-l
2-2
3 Using the Monitor
Front Panel Controls
...................
.......................
3-2
Power Switch
Horizontal Size Control
Vertical Size Control
Brightness Control
3-2
3-2
3-2
3-2
3-2
3-3
3-3
3-3
...............
.................
...................
....................
....................
...........
..............
Contrast Control
Rear Panel Controls
Horizontal Position Control
Vertical Position Control
Tilt/Swivel Base
Problem Solving
Troubleshooting
......................
......................
......................
3-4
3-5
3-6
3-6
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning
4 Reviewing Technical Data
Pin Assignments
Timing Tables
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4-3
4-4
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List of Tables
Troubleshooting
SVGA Monitor Specifications
Pin Assignments
Preset Timing
Preset Timing SVGA/EVGA .........
....................
..........
.....................
3-6
4-l
4-3
4-5
4-6
4-7
VGA
................
Preset Timing
VESA VGA ...........
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NEC SVGA Monitor
Congratulations on your purchase of the NEC
SVGA color monitor. NEC’s SVGA Monitor offers
a maximum horizontal resolution of 1024 Pixels by
a maximum vertical resolution of 768 Pixels.
Additionally, the SVGA Monitor provides System
compatibility via the following features:
n
provides automatic adjustment to vertical and
horizontal frequencies including VGA, SVGA,
EVGA, and VESA VGA.
n
n
displays an infinite number of colors (limited by
hardware and Software applications).
horizontal and vertical size and Position controls.
To properly set up and use your monitor, read the
sections that follow.
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Setting Up
The SVGA Monitor shipping carton contains the
monitor, user manual and power cable. If these items
are missing, contact your NEC dealer.
Please save the original box and packing materials
for future transportation 0; shipment of this monitor.
Use the following guidelines to set up your monitor:
ENVIRONMENT
n
n
n
Place the monitor in a dry, clean, dust-free
location.
Allow adequate Ventilation around the monitor
so that heat generated can dissipate properly.
Place the monitor away from high-capacity
transformers, electric motors. and other strong
magnetic fields.
To minimize eye fatigue:
do not place the monitor against a bright
background or where sunlight will shine
directly on it.
position the monitorjust below eye level.
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2- 2 Setting Up
Use the following steps to connect the monitor to
pur Computer.
CONNECTING
THE MONITOR
1. Turn off and unplug the computer’s power Cord.
Unplugging the
Computer
2. The voltage selector is located on the rear of the
monitor. Determine the appropriate voltage,
115V or 23OV, and set the switch accordingly.
Se tting the
voltage
Voltage Selector
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2-4 Setting Up
4. Connect one end of the monitor power cable to
the rear of the monitor. Plug the other end into a
properly grounded wall outlet.
Connecting the
power cable
WARNING: DO not place the monitor or any other
object on the power cable. Darnage to a power cable
can cause fire or electrical shock.
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Setting Up 2-5
5. If you are setting up the Computer for the first
time, see your user manual. Otherwise, continue
with the following step.
6. Plug in the Computer power cable.
If you have any Problems, please refer to the
Troubleshooting section of this mannual.
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Using the Monitor
3
This section defines monitor controls and explains
how to use them to your advantage.
You may adjust the viewing area of the screen and
modify specific screen qualities including brightness
and contrast. Further, the tilt/swivel feature allows
proper positioning of the monitor.
The figure below shows the front panel features.
Loca ting con trols
Cordrast
Control
Brightness
Control
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3-2 Using the Monitor
FRONT PANEL
CONTROLS
Read the descriptions that follow to learn how to
operate the front panel controls.
Press this switch to control power to the monitor-.
The power indicator lights when the monitor power
is on.
Power Switch
This control sets the monitor’s screen to the desired
horizontal width. Move the control counterclockwise
to decrease the horizontal width, and clockwise to
increase the horizontal width. The size of the image
depends on the signal applied to the monitor.
Horizontal
Size Control
This control sets the monitor’s screen to the desired
vertical height. To decrease the vertical length of
the Screen, move the control counterclockwise, to
increase it move the control clockwise. The size of
the image depends on the signal applied to the monitor.
Vertical
Size Control
Selects the degree of brightness. Move the control
counterclockwise to dim the screen and clockwise to
make the screen brighter. A brighter screen will limit
the on-screen glare and also affect the image quality.
Brightness
Control
Use the contrast control to select how dark or light
you would like the monitor’s foreground. Move the
control counterclockwise to make the screen darker,
clockwise to make the screen lighter. The position of
the contrast control does affect the image quality.
Contrast
Control
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Using the Monitor 3-3
Read the description that follows for an understand-
ing of how each control operates. The figure below
locates the rear panel controls.
REAR PANEL
CONTROLS
Turn the Horizontal Position Control to adjust the
image’s horizontal Position.
Horizontal
Position
Control
Turn the Vertical Position Control to adjust the
image’s vertical Position.
Vertical
Position
Control
Loca ting con trols
Vertical Position
Control
Horizontal Position
Control
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3-4 Using the Monitor
TILT/SWIVEL
BASE
The tilt/swivel base allows you to tilt the screen up
or down, and move it from side to side, 45 degrees to
the right or left.
You can reposition the monitor up to an angle of
-5 degrees forward and +15 degrees backwards.
Positioning the
monitor
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Using the Monitor 3-5
If you encounter a problem with the SVGA Monitor,
the problem may be a simple one that you can solve
yourself. Check the items on the following list when
you encounter a problem:
PROBLEM
SOLVING
The power switch for the monitor is on.
The signal cable and power cord are securely
connected.
The monitor is connected to a working electrical
outlet. Test the outlet by plugging in a lamp or
other electrical device.
Check that the signal timing and pin assignments
meet the SVGA Monitor’s specifications
(see “Pin Assignments” and “Signal Timing” in
Section 4).
Use the table on the following page to trouble-
shoot your monitor.
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3-6 Using the Monitor
Use the troubleshooting table below to isolate any
problems and respond with the appropriate corrective
action.
TROUBLE-
SHOOTING
If you still cannot determine the problem, contact
your NEC dealer.
Troubleshooting
CORRECTIVE ACTION
PROBLEM
Turn off the power switch. Wait at least
30 seconds and then turn it on again.
No picture appears on the
monitor Screen.
Adjust the Brightness and Contrast
controls.
The monitor is dark, but the
power indicator is lit.
Adjust the Vertical Position control or
Horizontial Position control.
Image area is not centered.
Clean the outside of the monitor as needed. Use the
following precautions as guidelines:
CLEANING
n
Unplug the monitor’s power cord from the outlet
before cleaning.
n
n
Use only a damp cloth and mild detergent.
DO not attempt to open the unit.
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Reviewing
Technical Data
The following tables provide specifications, pin
assignments and signal timing:
SVGA Monitor Specifications
DESCRIPTION
ITEM
Physical Dimensions
Height
14.4 inches (365 mm)
14.5 inches (367 mm)
15.4 inches (390 mm)
25.3 Ibs. (11.5 kg)
Width
Depth
Weight
Operating Environment
Temperature
-32°F to 95°F (0°C to 35°C)
10% to 80% (non-condensing)
-4°F to 140°F (-20°C to 60°C)
5% to 95%
Humidity
Storage Temperatures
Storage Humidity
Power
A C lOO-125V/200-24OV, 50Hz/60Hz
85 W Maximum
14 inches, 90° deflection, 0.28 mm dot pitch
Power Source
Power Consumption
Picture Tube
Resolution
Horizontal
Vertical
1024 pixels (non-interlaced/interlaced)
768 pixels (non-interlaced/interlaced)
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4-2 Reviewing Technical Data
SVGA Monitor Specifications (cont’d)
ITEM
DESCRIPTION
Synchronization
Horizontal
Vertical
31.5 kHz/35.2 kHz/35.5 kHz/37.9 kHz/48 kHz
50 Hz to 90 Hz continuous
Active Display Area
Horizontal
9.6 inches (246 mm) depends on signal
timing used
Vertical
7.2 inches (185 mm) depends on signal
timing used
Input Signals
Video
Analog 0.7 Vp-p/75 ohm positive
Separate Sync.
TTL level: Horizontal, Positive/Negative,
Vertical, Positive/Negative
Display Colors
Analog Input
Infinite colors (may be limited by hardware
or Software)
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Reviewing Technical Data 4-3
The SVGA monitor uses a l5-pin, mini high-density
D-SUB male connector for the input Signal. The figure
below shows the connector pin locations. See the
table that follows for connector pin assignments.
PIN
ASSIGNMENTS
Connector pin
Input Signal
Connector
loca tions
Pin Assignments
SIGNAL
PIN NUMBER
Red
Green
Blue
Ground
Ground
R-Ground
G-Ground
B-Ground
No Connection
Ground
8
9
10
11
Ground
No Connection
Horizontal Sync.
Vertical Sync.
No Connection
12
13
14
15
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4-4 Reviewing Technical Data
The following diagram and tables show the preset
timing used in the monitor’s VGA, SVGA, EVGA
and VESA VGA modes.
TIMING
TABLES
SEPARATE SYNC.
VIDEO
HORIZONTAL
\
d
-
f
-
A
VIDEO
VERTICAL
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Reviewing Technical Data 4-5
Preset Timing
VGA
ITEM
(kHz)
640 x 350
3 1.469
3 1.778
3.813
720 x 400
3 1.469
3 1.778
3.813
640 x 480
3 1.469
3 1.778
3.813
A
B
C
(Line time total)
(Sync. pulse width)
(Back porch)
1.589
1.589
1.589
D ps (Active)
26.058
0.318
26.05
8
26.058
0.3 18
E ps (Front Porch)
0.318
70.080
14.268
0.064
70.080
14.268
0.064
59.940
16.683
0.064
(Hz)
P ms (Frame time total)
Q ms (Sync. pulse width)
R ms (Back porch)
S ms (Active)
1.716
0.890
0.793
11.504
0.985
13.156
0.159
15.762
0.064
T ms (Front porch)
Separate
Sync.
Separate
Sync.
Separate
Sync.
Horizontal Sync. Polarity
Vertical Sync. Polarity
Interlaced
Positive
Negative
No
Negative
Positive
No
Negative
Negative
No
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4-6 Reviewing Technical Data
Preset Timing
SVGA/EVGA
ITEM
(kHz)
800 x 600
35.156
28.44
1024x768
35.587
28.100
3.910
A
B
C
D
E
(Line tirne total)
(Sync. pulse width)
(Back porch)
(Active)
2.000
3.556
1.247
22.222
0.667
22.760
0.178
(Front Porch)
56.250
17.778
0.057
86.960
11.499
0.112
(Hz)
P ms (Frame time total)
Q ms (Sync. pulse width)
R ms (Back porch)
S ms (Active)
0.626
0.563
17.067
0.028
10.824
0.0100
Separate Sync.
Positive
Positive
Yes
T ms (Front porch)
Separate Sync
Negative
Negative
No
Horizontal Sync. Polarity
Vertical Sync. Polarity
Interlaced
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Reviewing Technical Data 4-7
Preset Timing
VESA Timings
ITEM
(kHz)
640 x 480
800 x 600
48.090
20.794
2.399
1024x768
48.363
20.677
2.092
37.860
26.4 13
1.270
A
B
C
D
E
(Line time total)
(Sync. pulse width)
(Back porch)
(Active)
1.279
4.603
20.3 17
0.762
72.809
13.735
0.079
0.740
12.678
0.238
2.462
15.995
1.119
15.754
0.369
(Front Porch)
72.010
13.887
0.124
60.000
16.667
0.124
(Hz)
P ms (Frame time total)
Q ms (Sync. pulse width)
R ms (Back porch)
S ms (Active)
0.479
0.600
12.510
0.772
15.880
0.062
T ms (Front porch)
Separate
Sync.
Separate
Sync.
Separate
Sync.
Positive
Positive
No
Horizontal Sync. Polarity
Vertical Sync. Polarity
Interlaced
Negative
Negative
No
Positive
Positive
No
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