LS4Pro manual
www.kystar.com.cn
19
A:
Menu - Advanced Menu - Expert Settings - Keyboard Lock. Keyboard can be locked after
opening. Keyboard can be unlocked even by pressing MENU key 10 times.
Q4
：
What is the password to enter the screen navigation?
A:
“168”“666”“888”“999”Any one is OK.
Q5
：
What are the possible reasons why the upper computer can't detect the equipment?
A:
To use a computer to control the video processor, you need to connect its command
transmission line. That is, the serial line.
Failure to connect may result from the following circumstances.
①
The equipment is not powered on.
②
The computer is not equipped with USB cable driver or the USB driver is damaged.
③
Serial line is not well connected or damaged.
If the above suggestions do not solve your problem, please contact our customer service
staff in time. We will help you solve the problems in the first time.
Q6
：
The large screen of the video card directly connected with the sending card is displayed
normally, and screen will appear black screen when it is connected to the video processor.
A:
Observe whether the sending card indicates that the green light flashes normally. If the signal
is given by the processor's output port, the possible reasons are as follows:
①
The problem of signal source. When connecting the computer graphics card, the copy
mode of the graphics card should be set. If not, the DVI port of the graphics card has no data
output. Setup steps: Turn off the power supply of video processor - reinsert the line from video
card to video processor - ATI graphics card reads and replicates automatically. NVIDIA graphics
card needs to enter the graphics card control center and set up multiple d double screen
replicate mode.
②
Connection problems. When the signal line interface contacts badly or there is a problem
inside the wire, the large screen will appear abnormal phenomena such as color stripes, flower
screens and so on. Check carefully whether the pin in the signal line is broken or inclined and
change the signal line.
If the above suggestions do not solve your problem, please contact our customer service staff
in time. We will help you solve the problems in the first time.
