NEC JC-1431VMB User manual

Sumer VGA
- - -
User Manual
NEC

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
ZH1/618 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
und 76 Hz bei Positivdarstellung
64 Hz bei Negativdarstellung
nicht unterschritten wird (störendes Bildschirmflimmern könnte die Folge
sein).

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.
Model number: JC-1431VMB
Serial number:
WARNING: To reduce the risk of fire or electric shock, do not expose
this Computer Display to rain or moisture.
Caution
For 120V Operation,use only with power cord plug having a parallel
blade, grounding type plug, rated 125V
10A.
For 240V Operation,use only with power cord having a tandem blade,
grounding type plug, rated 250V
5A.
Bescheinigung des Herstellers/lmporteurs
Hiermit wird bescheinigt, daß der/die/das
Monitor JC-1431VMB
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Gerät, Typ, Bezeichnung)
In Übereinstimmung mit den Bestimmungen der
BMPT Vfg. 243/1991
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ..
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
(Amtsblattverfugung)
. .. . . .
funk-entstört ist.
Dem Bundesamt fur Zulassungen in der Telekommunikation wurdedas
inverkehrbringen dieses Gerätesangezeigt und die Berechtigungzur
Überprüfung der Serie auf Einhaltung der Bestimmungen eingeräumt.
Declaration of the Manufacturer or Importer
We hereby certify that the Monitor JC-1431VMB
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Equipment, Type, Model-No.
1s in compliance with the requirement of BMPT Vfg.
24311991
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
.
RFI Suppressed.

Contents
Ill
1 NEC SVGA Monitor
2 Setting Up Environment
.........................
Connecting the Monitor
................
3 Using the Monitor
Front Panel Controls
...................
Power Switch .......................
Horizontal Size Control
...............
Vertical Size Control
.................
Brightness Control ...................
Contrast Control ....................
Rear Panel Controls ....................
Horizontal Position Control ...........
Vertical Position Control
..............
Tilt/Swivel Base ......................
Problem Solving ......................
Troubleshooting ......................
Cleaning............................
4 Reviewing Technical Data
Pin Assignments
. . . . . . . . . . . . . . . . . . . . . .
Timing Tables . . . . . . . . . . . . . . . . . . . . . . . .
2-l
2-2
3-2
3-2
3-2
3-2
3-2
3-2
3-3
3-3
3-3
3-4
3-5
3-6
3-6
4-3
4-4
List of Tables
Troubleshooting
..................... 3-6
SVGA Monitor Specifications
.......... 4-l
Pin Assignments
...................... 4-3
Preset Timing
- VGA .................
4-5
Preset Timing
- SVGA/EVGA .........
4-6
Preset Timing
- VESA VGA ........... 4-7

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 displays an infinite number of colors (limited by
hardware and Software applications).
n horizontal and vertical size and Position controls.
To properly set up and use your monitor, read the
sections that follow.

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.
ENVIRONMENT
Use the following guidelines to set up your monitor:
n Place the monitor in a dry, clean, dust-free
location.
n Allow adequate Ventilation around the monitor
so that heat generated
can dissipate properly.
n Place the monitor away from high-capacity
transformers, electric motors. and other strong
magnetic fields.
H 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.

2-2 Setting Up
CONNECTING Use the following
steps to connect the monitor to
THE MONITOR pur
Computer.
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

Setting Up 2-3
3. Attach the monitor
signal cable to the video
connector at the rear of the Computer.
Secure the connection by tightening the two
screws on either side of the
signal cable’s
connector.
Attaching the
signal ca ble
Signal Cable

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.

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.

3
Using the Monitor
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
Brightness
Cordrast
Control Control

3-2 Using the Monitor
FRONT PANEL
CONTROLS
Power Switch
Horizontal
Size Control
Vertical
Size Control
Brightness
Control
Contrast
Control
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.
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.
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.
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.
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.

Using the Monitor 3-3
REAR PANEL
CONTROLS
Horizontal
Position
Control
Vertical
Position
Control
Loca ting con trols
Read the description that follows for an understand-
ing of how each control operates. The figure below
locates the rear panel controls.
Turn the Horizontal Position Control to
adjust the
image’s horizontal Position.
Turn the Vertical Position Control to
adjust the
image’s vertical Position.
Vertical Position Horizontal Position
Control Control

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

Using the Monitor 3-5
PROBLEM
SOLVING
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:
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.

3-6 Using the Monitor
TROUBLE-
SHOOTING Use the troubleshooting table below to isolate any
problems and respond with the appropriate corrective
action.
If you still cannot determine the problem, contact
your NEC
dealer.
Troubleshooting
PROBLEM CORRECTIVE ACTION
No picture appears on the
monitor Screen.
Turn off the power switch. Wait at least
30 seconds and then turn it on again.
The monitor is dark, but the
power indicator is lit. Adjust the Brightness and Contrast
controls.
Image area is not centered.
Adjust the Vertical Position control or
Horizontial Position control.
CLEANING
Clean the outside of the monitor as needed. Use the
following precautions as guidelines:
n Unplug the monitor’s power cord from the outlet
before cleaning.
n Use only a damp cloth and mild detergent.
n DO not attempt to open the unit.

Reviewing
Technical Data
The following tables provide specifications, pin
assignments and signal timing:
SVGA Monitor Specifications
ITEM DESCRIPTION
Physical Dimensions
Height
Width
Depth
Weight
Operating Environment
Temperature
Humidity
Storage Temperatures
Storage Humidity
Power
Power Source
Power Consumption
Picture Tube
Resolution
Horizontal
Vertical
14.4 inches (365 mm)
14.5 inches (367 mm)
15.4 inches (390 mm)
25.3 Ibs. (11.5 kg)
-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%
AC lOO-125V/200-24OV,
50Hz/60Hz
85 W Maximum
14 inches,
90° deflection, 0.28 mm dot pitch
1024
pixels (non-interlaced/interlaced)
768
pixels (non-interlaced/interlaced)

4-2 Reviewing Technical Data
SVGA Monitor Specifications (cont’d)
ITEM DESCRIPTION
Synchronization
Horizontal
Vertical
Active
Display Area
Horizontal
Vertical
Input Signals
Video
Separate Sync.
Display Colors
Analog Input
31.5
kHz/35.2 kHz/35.5 kHz/37.9 kHz/48 kHz
50 Hz to 90 Hz continuous
9.6 inches (246 mm) depends on
signal
timing used
7.2 inches (185 mm) depends on
signal
timing used
Analog 0.7
Vp-p/75 ohm positive
TTL level: Horizontal, Positive/Negative,
Vertical, Positive/Negative
Infinite
colors (may be limited by hardware
or Software)

Reviewing Technical Data 4-3
.
PIN
The SVGA monitor uses a l5-pin, mini high-density
ASSIGNMENTS
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.
Connector pin
loca tions
Input Signal
Connector
Pin Assignments
PIN NUMBER
SIGNAL
8
9
10
11
12
13
14
15
Red
Green
Blue
Ground
Ground
R-Ground
G-Ground
B-Ground
No Connection
Ground
Ground
No Connection
Horizontal Sync.
Vertical Sync.
No Connection

4-4 Reviewing Technical Data
TIMING
TABLES
The following diagram and tables show the preset
timing used in the monitor’s VGA, SVGA, EVGA
and VESA VGA modes.
SEPARATE SYNC.
HORIZONTAL VIDEO
1
°° E3
d-f-
\
4
A
*
VERTICAL
J
VIDEO