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Check if power switch and computer power switch
are in the on position.
Check if the signal cable is correctly connected to
the video card.
Check if the pins of D subconnector are not bent.
Check if the computer is in the power- saving mode.
Check if power switch is in the on position.
Check if the power cord is correctly connected.
Check if the signal cable is suitable to the video card.
Adjust H &V Size or H&V Center to get the proper
image.
Keep the devices that may cause electrical
interference away from the monitor.
See the FCC information at the front cover of the
manual.
Operate Degauss once.
Adjust Contrast and Brightness.
Operate Degauss once.
Adjust Geometry Control (Pincushion, Trapezoid..).
English - 13
English - 12
TROUBLESHOOTING
Symptom
No picture.
POWER LED is not
lit.
Image is unstable.
Image is not
centered, too small
or too large.
Picture bounces or a
wave pattern is
present in the
picture.
Color looks blotchy.
Picture is blurred.
Edges of available
area on the screen
are not straight.
Check
SPECIFICATIONS
CDT Size 21-inch
Diagonal visible image area 20-inch
Dot Pitch 0.25 mm
Synchronization Horizontal 30 - 107 KHz
Vertical 50 - 160 Hz
Plug and Play DDC1/2B/CI
Power Saving EPA, VESA DPMS, Nutek Compliant
Power Source 100-240 Vac, 50/60Hz (Free Voltage)
Power Consumption 135 W
Dimension-W x H x D 494 x 500 x 518mm
(set with stand)
Weight-unpacked (lbs/Kg) 61.7/28.0
Operating Temperature 10 ~ 40°C /50 ~ 104°F
FACTORY PRESET TIMINGS
Mode H.Freq (KHz) V.Freq(Hz) Remark
VGA 480 640
X
480 31.5 60 Non-interlaced
VGA 400 720
X
400 31.3 70 Non-interlaced
VESA 43K 640
X
480 43.0 85 Non-interlaced
VESA 46K 800
X
600 46.9 75 Non-interlaced
VESA SVGA 85 800
X
600 53.7 85 Non-interlaced
VESA 60K 1024
X
768 60.0 75 Non-interlaced
VESA 1024/85 1024
X
768 68.7 85 Non-interlaced
VESA 1280/75 1280
X
1024 80.0 75 Non-interlaced
VESA 1600/70 1600
X
1200 87.5 70 Non-interlaced
VESA 1280/85 1280
X
1024 91.1 85 Non-interlaced
VESA 1600/75 1600
X
1200 93.8 75 Non-interlaced
VESA 1600/85 1600
X
1200 106.3 85 Non-interlaced
Resolution
(dots
X
lines)
*
The specifications are subject to change without notice.