Pure Hardware Video Wall Controller DDW-VPHXXXX
41
/
44
Shenzhen DDW Technology Co.,Ltd
Homepage:
http://www.ddw.net
Alibaba:
http://ddw.en.alibaba.com
Global hotline: 400 852 822 Tel: 86-755-61825858 Fax: 86-755-23325820
ADD: F/4 Linquan building,#8 industrial park, #1 Donghuan road,Longhua, Bao'an, Shenzhen,China,518109
D. Adjust the display state of display device. Please refer to the user manual of the display
devices for specific operation.
E. Adjust the content of output signal, suggest using the dynamic picture, do not use the
monochrome image output.
F. Use good quality VGA cable to ensure the stability and high quality images
3) The picture partial color phenomenon
Possible reasons: A.VGA or DVI interface not connected, loose connection leads to bad contacts
B.VGA or DVI cable is damaged
C. Color of display device is not correct
D. Use the software color toning excessively
Solutions: A. After VGA or DVI interface connection, please tighten the retaining bolt, to prevent loosing
because of pulling;
B. Please change higher quality VGA or DVI cable;
C. Adjust color balance of display device, referring to the user manual of display device;
D. Re-adjust color and white balance through controlling software;
4) Image does not display completely and appears black frame
Possible reasons: A. Video wall display unit has cropped for the video output
B. Over adjust the image through controlling software
C. The resolution varies according to different display unit
D. Incorrect graphic card settings
E. Not standard input resolution
Solutions: A. Please make an auto adjusting for display unit, referring to user manual of display device.
B. Re-adjust image position for a better effect through software.
C. C
lick “Output Resolution Set” to choose suitable resolution.
D. Choose correct input resolution
5) Image of some display unit flash, shake, or appear noise
Possible reasons: A. Too long VGA or DVI cable leads to signal loss seriously
B. Unstable video source device or damaged cable
C. Failure of display unit
D.
Video wall processor’s output is not compatible with display unit