How to set the LED display screen to play video automatically after power on, that is, no need to turn on the computer
Author:Deng Pu Time:2021-10-11 10:17 Browse(234)
Each LED display is equipped with a control card and software. After the screen is installed, connect the control card and the power supply, copy the software to the computer, and you can directly operate on the computer, which can modify the text content, scanning mode and rolling effect.
Each LED display is equipped with a control card and software. After the screen is installed, connect the control card and the power supply, copy the software to the computer, and you can directly operate on the computer, which can modify the text content, scan mode, and scroll effect.

How to set the LED display screen to play video automatically after power on, that is, no need to turn on the computer

usually, it is through the mobile phone, USB flash disk, USB flash disk, etc If you are equipped with a GSM SMS control card in the LED display, the tool you use to change words is your mobile phone, You can send and change the ad subtitles by editing the SMS.

if you use the U-disk control card.
then you can change the program directly by copying the content on the U-disk and taking it to the LED display screen for replacement.

if you want to change the content on the LED display screen through the computer.
there are more choices.
you need to combine with the actual needs.
for example, some stores It is recommended to use a wired control card to send messages through a computer, or choose to use a U-disk control card instead of a connection. If you want to change the advertising content, you can directly use a U-disk to copy it.
if the LED advertising displays are distributed in various residential areas.
or if you want to send messages collectively in bus stops, chain stores and other places, it is recommended to use a GPRS wireless control card, In general, USB or GPRS is recommended to save time.

in addition, it is worth noting that the following hardware or software problems will also affect the font setting of LED advertising display:
1. The computer and LED display are not connected.
2If the serial port number is not connected, it depends on whether the serial port number is correct.
it must be correct to send successfully.
(if you use the USB data line, you need to find the serial port number in the device manager. If you don't have USB, you can directly change the serial port number to 1).
2. When you click the send icon, it will display "can't find the control card" or "can't connect the control card" or "there is no control card setting", This involves the setting of the control card. Generally, it's not easy to get technical support.

3. Sometimes the display is used for a long time.
the data line has problems of false soldering and short circuit, which will affect the use of the display.

4 When modifying the content.
the LED display must be powered on.
in the process of using the control system.
occasionally, the LED display will appear black.
the same phenomenon may be caused by a variety of reasons.
even the process of turning black of the display will vary according to different operations or different environments.
for example, it may be at the moment of power on Black.
it may also turn black during loading, or it may turn black after sending, etc.
in case of this phenomenon, please refer to the following aspects to judge the "fault":
.
please make sure that all hardware including the control system has been powered on correctly.
(+ 5V.
do not connect reversely or wrongly)  .<
check and repeatedly confirm whether the serial port cable used to connect the controller is loose or falling off.
(if it turns black during the loading process,
it is likely that it is caused by this reason, that is, the screen is black due to the loose communication cable during the communication process.
do not think that the display screen is not moving.
do not think that the display screen is not movingIt is very important for you to solve the problem quickly.
)  .<
check and confirm whether the LED display and the hub distribution board connected to the main control card are tightly connected and reversely inserted.
check and confirm whether the LED display and the hub distribution board connected to the main control card are connected  .
please check and confirm whether the 40 core cable between the control card and the hub distribution board is loose or inserted reversely.
please check and confirm whether the 40 core cable between the control card and the hub distribution board is inserted reversely  .<
if your display interface definition does not match the provided hub board, there will be a black screen.
please re check whether your jumper is loose Open circuit or short circuit.
if you think you have matched the ABCD signal one by one.
please check whether the OE signal is connected correctly.
(it is strongly recommended to use the hub distribution board matching the display interface definition).
I hope it will be helpful to you   http://www.ledful.cn .
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