USER’S GUIDE
COLOR MONITOR
Model No : 21d n
C T L
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INTRODUCTION
CONTENTS
Introduction ............................................................................. 1
This manual explains how to correctly install, operate and get the
best performance from your monitor. Please read this user’s
guide carefully before installing your monitor, then keep it near
your monitor for quick reference.
Product Features ................................................................. 2
Setup ......................................................................................... 3
Connecting the D-sub Signal Cable .................................... 3
Connecting the BNC Signal Cable ..................................... 4
Connecting the Power Cord ................................................ 5
Power Management System ............................................... 5
DDC for Plug & Play ......................................................... 5
Operation & Adjustment ...................................................... 6
Specifications ......................................................................... 12
Factory Preset Timings ......................................................... 12
Troubleshooting ..................................................................... 13
Description for D-sub Connector ........................................ 14
First, please check that the contents of the box corresponds with
the following checklist :
• Color monitor
• Power cord
• Signal cable
• User’s Guide
• Warranty Handbook
• Registration Card
If any item is missing or damaged, please contact your dealer.
Please keep the box and packing materials so that you may
properly store or transport your monitor.
1
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SETUP
PRODUCT FEATURES
CONNECTING THE D-SUB SIGNAL CABLE
• The convenient and user-friendly on-screen display allows for
easy and accurate adjustments of horizontal and vertical
screen size and position, geometry and screen color.
1. Turn off the computer and monitor.
2. Connect the 15 pin D-sub connector to the output port of the
video card in your computer and monitor.
• The monitor supports a safe working environment in strict
compliance with the MPR II standard for low emissions
(TCO optional).
3. Tighten the screws of connector.
• The monitor complies with the VESA Display Data Channel
(DDC) specification for Plug and Play compatibility.
Advanced microcircuitry makes setup and configuration fast
and effortless.
• The monitor features Advanced Color Controls for fine-tuning
to meet your own personal tastes or application requirements.
Use the on-screen controls to adjust the color temperature,
RGB gain value for the best possible screen color and
intensity.
• Press the menu button and activate the Self-Diagnosis menu to
determine whether your monitor is functioning normally, not
receiving a signal or is receiving a signal that is out of
scanning range.
• Activate the higher refresh rates of the monitor to stabilize the
screen and eliminate the annoying flicker that contributes to
eye-strain and headaches.
• The “borderless” full-screen display capability works under all
graphic modes and provides a larger viewing area than
conventional monitors, giving you a better picture with more
workspace.
D-sub signal cable
2
3
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CONNECTING THE BNC SIGNAL CABLE
CONNECTING THE POWER CORD
1. Plug the power cord into the AC receptacle located at the back
of the monitor.
1. Turn off the computer and monitor.
2. Connect the 5 BNC connectors from the signal cable to the
monitor.
2. Plug the other end of the power cord into the AC outlet.
3. Push in and turn the connectors clockwise until they are
locked in place.
If your power cord is PC-to-Monitor type, plug the other end
of the power cord into the AC receptacle in the computer.
POWER MANAGEMENT SYSTEM
If you use the monitor with a computer that complies with the
power-saving program, you can set the monitor to go blank when
the system has remained unused for a period of time. To specify
the period or to disable this feature, set the system timeout field
of the computer’s system setup program or use special software
for power-saving. See the computer user’s manual for the details
of using the system setup. While the monitor is in power-saving
mode (blank screen), it consumes less power than when it is in its
normal state. The color of the power LED will indicate the state.
To restore the screen image, press any key of your keyboard or
move your mouse. If the signal cable is connected loosely or
disconnected, the power-saving feature will not operate.
R
G
B
HS/HVS VS
DISPLAY DATA CHANNEL FOR PLUG AND PLAY
BNC signal cable
(Optional Accessory)
If you use the monitor with a computer that complies with
DDC1/2B/CI of VESA, the host video card automatically
configures itself without your intervention in a way that best fits
the attached monitor. The Display Data Channel(DDC) allows
the monitor to inform the host system about configuration
information for optimum use of the monitor. Use of the video
card utility is not required to match the resolutions and refresh
rates of the monitor and video card.
4
5
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OPERATION & ADJUSTMENT
Key Pro cess
Co n t ro l Pa n el
ENGL SH
DEUTSCH
ESPAÑOL
FRAN A S
C
TAL ANO
• Move cursor to the right window on the OSD
window.
• Increase the value of any selected function.
• Move cursor to the left window on the OSD
window.
• Decrease the value of any selected function.
• Launch OSD(On-Screen Display) MENU window.
MENU
• Move cursor to the high window on the OSD
window.
Start
• Increase the value of V.size or V.center.
• Move cursor to the low window on the OSD
window.
• Decrease the value of V.size or V.center.
Ho t Key
BRIGHTNESS
CONTRAST
When you choose the icon
OSD screen.
on the OSD window, you can exit the
•
6
7
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OSD Fu n ct io n s
ICON
CONTROL
FUNCTION
ICON
CONTROL
H. MOIRE
FUNCTION
Adjust the horizontal picture moire
cancellation.
LANGUAGE
Select language for OSD (5 languages).
Adjust the position of the display
horizontally(left or right) and vertically
(up or down).
H. CENTER &
V. CENTER
Adjust the vertical picture moire
cancellation.
V. MOIRE
Choose different preset color
temperatures or set your own customized
color parameters.
FOCUS
Adjust the focus image.
COLOR TEMP
H.CONVERGENCE
V.CONVERGENCE
Adjust the horizontal convergence image.
Adjust the vertical convergence image.
RED GAIN
GREEN GAIN
BLUE GAIN
RED BIAS
Adjust the red gain.
Adjust the green gain.
Adjust the display width & height at the
same time.
Adjust the blue gain.
Adjust the red bias.
Adjust the green bias.
Adjust the blue bias.
ZOOM
Adjust the left and right margins for more
convex or more concave margins.
PINCUSHION
TRAPEZOID
PIN BALANCE
GREEN BIAS
BLUE BIAS
Adjust the trapezoid of the screen by
moving the lines inward or outward.
Adjust the side balance when the sides of
the screen are bowed towards left or right.
H. SIZE &
V. SIZE
Adjust the width (horizontal size) and the
height (vertical size) of the display.
Adjust the parallelogram when the screen
is leaning left or right.
PARALLELOGRAM
PIN S CONTROL
Adjust the horizontal linearity.
Adjust the vertical linearity.
H. LINEARITY
V. LINEARITY
Adjust the pin S control when the sides of
the screen are in a S shape.
8
9
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Self Dia g n o sis
When the monitor doesn’t display, if you press any key, Self
Diagnosis screen is displayed. Self Diagnosis function checks if
the status of the monitor is No Signal or Out of range.
ICON
CONTROL
FUNCTION
Adjust the pin W control when the sides
of the screen are in a W shape.
PIN W CONTROL
No Signal screen is displayed when the
D-Sub signal connector is not connected
or the status of the monitor is on DPMS
mode.
Adjust the rotation when the screen is
tilted left or right.
ROTATION
DEGAUSS
Degaussing keeps the monitor free from
unwanted magnetism that can result in
color impurity.
Out of Range screen is displayed when
the applied frequency is under or over
normal range.
Display horizontal & vertical frequency
and polarity.
Normal range
H : 30 - 107 KHz
V : 50 - 160 Hz
STATUS
YES : VESA DPMS operation.
NO : NO DPMS operation.
POWER SAVER
Display a RGB Color Bar to determine
whether the screen color is expressed
normally or not.
TEST PATTERN
Select a input signaling type between D-
sub and BNC connector.
BNC/D-SUB
RECALL
Reset the screen to the Factory Preset
Display Settings.
10
11
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SPECIFICATIONS
TROUBLESHOOTING
CDT Size
21-inch
20-inch
0.25 mm
Symptom
Diagonal visible image area
Dot Pitch
Check
No picture.
Check if power switch and computer power switch
are in the on position.
Synchronization
Horizontal 30 - 107 KHz
Vertical
50 - 160 Hz
Plug and Play
DDC1/2B/CI
Check if the signal cable is correctly connected to
the video card.
Power Saving
Power Source
EPA, VESA DPMS, Nutek Compliant
100-240 Vac, 50/60Hz (Free Voltage)
135 W
Check if the pins of D subconnector are not bent.
Check if the computer is in the power- saving mode.
Power Consumption
Dimension-W x H x D
(set with stand)
494 x 500 x 518mm
POWER LED is not Check if power switch is in the on position.
lit.
Weight-unpacked (lbs/Kg)
Operating Temperature
61.7/28.0
10 ~ 40°C /50 ~ 104°F
Check if the power cord is correctly connected.
This specification can be changed without any prior notice to improve the
quality of the product.
*
Image is unstable.
Check if the signal cable is suitable to the video card.
Image is not
centered, too small
or too large.
Adjust H &V Size or H&V Center to get the proper
image.
FACTORY PRESET TIMINGS
Resolution
Mode
H.Freq (KHz) V.Freq(Hz)
Remark
(dots
X
lines)
Picture bounces or a Keep the devices that may cause electrical
VGA 480
640
720
X
480
400
31.5
31.3
43.0
46.9
53.7
60.0
68.7
80.0
87.5
91.1
93.8
106.3
60
70
85
75
85
75
85
75
70
85
75
85
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
Non-interlaced
wave pattern is
present in the
picture.
interference away from the monitor.
VGA 400
X
X
X
X
X
X
X
X
X
X
X
VESA 43K
640
480
See the FCC information at the front cover of the
manual.
VESA 46K
800
600
VESA SVGA 85
VESA 60K
800
600
Color looks blotchy. Operate Degauss once.
1024
1024
1280
1600
1280
1600
1600
768
VESA 1024/85
VESA 1280/75
VESA 1600/70
VESA 1280/85
VESA 1600/75
VESA 1600/85
768
Picture is blurred.
Adjust Contrast and Brightness.
1024
1200
1024
1200
1200
Operate Degauss once.
Edges of available
area on the screen
are not straight.
Adjust Geometry Control (Pincushion, Trapezoid..).
12
13
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DESCRIPTION FOR D-SUB CONNECTOR
Signal
Pin
Red
Green
1
2
Blue
3
GND
4
GND
5
GND-Red
6
GND-Green
GND-Blue
7
8
+5Vdc
9
GND-H.Sync
GND-V.Sync
Bi-directional Data(SDA)
Horizontal Sync
Vertical Sync(VCLK)
Data Clock(SCL)
10
11
12
13
14
15
1
6
10
15
GND=Ground
*
14
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S/N : 9978628318
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