User manual

DCLCD DCL20 Page27
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Item Standards
Vertical
Scanning
Frequency
(Hz)
Horizontal
Scanning
Frequency
(kHz)
1 720x480i 29.97 15.73
2 720x480P 59.94 31.46
3 1280x720P 60 45
4 1920x1080i 30 33.75
5 1920x1080P 60 67.5
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Problem Possible solutions
DISPLAY IS
UNCLEAR AND
UNSTABLE
To stabilize and clarify your display, use the AUTO
ADJUST function or change the resolution to the
display’s optimal setting 1680 X 1050 at 60Hz, then
AUTO ADJUST.
THERE IS NO LCD
DISPLAY or
SCREEN SAYS NO
VIDEO
Make sure you switched to the correct source.
Check both sources to see video is on the other
source. Check your video cable. It might be corrupt.
Swap out the video cable for another one to see if
the monitor will work. Check your power plug. See
if it is fully plugged in on both the monitor and the
wall.
MONITOR SAYS
“SIGNAL OUT OF
RANGE”
If you have a CRT monitor, please connect the CRT
monitor to the computer and change the refresh rate
down to 60Hz via your video card’s display settings
menu. After the setting of 60Hz has been change
you can then use the LCD on the computer.
1. To change the setting go to display
settings by right clicking on your desktop