FAQ
1)
Cannot operate AppProject software
Possible reason: The Control computer does not have necessary plugins.
Solution: Install Microsoft's related program: dotNetFX35setup. Exe and
VC_x86Runtime.exe dotNetFx40_Full_x86_x64.exe and VC_x86Runtime.exe.
Note: You can download the plugin from Microsoftware support website, or install from provided CD.
2)
Serial operation failure, can’t control the video wall processor
Possible reasons: A The serial port is not opened
B The serial port already destroyed;
C The USB-RS232 adopter is not installed correctly
Solutions: A
Check the status of serial port,
B
Change serial port or controlling PC
C
Correctly install USB-RS232 device;
3)
No image
Possible reasons:
A No signal source input;
B
Signal switching is not correct, such an example: input video source is VGA, but
the output channels are switched to AV input;
C
Reversed connection of VGA input and VGA output;
D
The display device do not adjust input channel such as adjust the input video
source to VGA;
E
Video showing is total black
F
Output VGA or DVI cable is damaged.
Solutions:
A
Please check the input signals states (To detect by connecting the input signal
source to the display device directly)
B
To confirm whether AV/VGA/DVI/YPbPr channel input are normal, with control
software or remote controller to switch the channel
C
To confirm the output of the processor connected to the display device properly,
and the input signal is connected properly
D
To adjust status of display device, for more specific operations please refer to
display device specification; 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, and do not
use the monochrome screen output.
F
To confirm whether the black screen scene has been opened;5X Series- Video Wall Controller User Manual
- 30-
G Use good quality VGA cable to ensure the stability and high quality images
4)
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 adjustment is not correct;
D
Use the software color toning excessively
Solutions:
A
After VGA or DVI cable is connected, please tighten the retaining bolt, to prevent
loosing because of pulling
B
Please change higher quality DVI cable
C
Adjust color balance of display device, referring to the user manual.
D
Re-adjust color and white balance through controlling software
E. If the input signal is VGA, please do ADC correction for it; the operation method are as
follows:
①Select the input signal that needs to do ADC correction to right side window, as shown in the
figure below:
②Choose VGA interface or DVI interface, then select the 【ADC】to execute.
5)
Image cannot display completely, appears black frame
Possible reasons:
A Video wall display unit has cropped for the video output
B Over adjust the image position through controlling software
C The resolution varies according to different display unit
D The video card setting method is not correct;
E The resolution of computer input signal is not standard;
Solutions:
A
Please make an auto adjustment to display unit, referring to user manual.
B
Re-adjust image position for a better effect through software.
C
Select current signal sources and click【Auto】to enter into the "Set ", then select the
needed output resolution;
D
Enter into graphics card advanced menu, then change the scanning mode to over
scan.5X Series- Video Wall Controller User Manual
- 31-
E
Change the computer input signal to appropriate resolution;
6)
Image of some display units flash, shake, or appear noise
Possible reason:
A Too long VGA or DVI cable leads to serious signal loss.
B Video source device is not stable or cables are damaged
C Failure of display unit
D Video wall processor’s output is not compatible with display unit
Solution:
A
Please use other stand-alone display unit to connect to the output of video wall
processor. If image shows normally, please check the display unit.
B
Change the normal output cable with the abnormal cable, if the problems still exist, it
shows problems result from display unit.
C
Connect the input signal to display unit directly without go through the processor,
check whether the output image is normal.
D
If the processor and display equipment are normal, it may be matching problem
between processor and display equipment. please contact our engineer to solve it.
