In response to the development of the times, the current mobile phones and ipad has more and more computer functions, that is, in the mobile phone and ipad can be achieved online office. Since the mobile phone and Ipad can achieve most of the functions of the computer, then use the phone and ipad control led display is not words, then they are how to control the led display it, the principle is what, let the following led display manufacturers to give you analysis The
How does the mobile device control the led display?
In fact, mobile phones and ipad control led display the most important reason is to connect these devices, then the phone and ipad is not the same as the computer needs to be connected to the network cable? The answer is not needed, just use WIFI to connect.
First, mobile phones and ipad control led display several ways
1.1, WIFI wireless control
System to mobile (mobile phone, IPAD) as the console, the first time to achieve a remote wireless control screen, all of its functions can be achieved by the touch screen control, zero seconds switch is not Caton. Really abandon the traditional keyboard, mouse, software instead of hardware.
How it works: through the installation of wireless router or other wireless devices, and the user's original wireless network bridge, set up a wireless LAN, easy to network control card into the wireless network, the wireless network control.
Features: no wiring, easy installation and commissioning, data transmission speed.
Required equipment: bridge, wireless router (on the display screen is the best choice for interchangeable antenna equipment, so you can effectively receive the wireless signal).
Disadvantages: communication distance depends mainly on the bridge's gain capability, wireless routing communication distance is relatively short, wall signal is weak or no signal. Suitable for short-range wireless signals. If your display area where there is a wireless signal coverage, it is more simple, and only need to lead display and led display control card connected to the wireless router bridge to your wireless network, you can in the network Control the display on any computer.
1.2, RF wireless control
How it works: One end of the RF module is connected to the control computer and the other end is connected to the control card serial port. After installing the driver, the computer generates a virtual serial port and sends the data through this serial port.
1.3, GPRS wireless control
How it works: GPRS module power to complete the process of dial-up Internet access, connected to the data center server, the client through the client software to access the server, the server for information forwarding.
1.4,4G all Netcom wireless control
How it works: basically the same as 3G / GPRS.
Features: 4G all Netcom (China Mobile, China Unicom, China Telecom full range of support), transmission speed, full realization of real-time control, send instructions can instantly respond to the relevant control.
Second, mobile phones and ipad control led display several functions
2.1, visual preview, visual operation
With IPAD control screen, any function are visualized, at a glance, will play mobile phones, iPad, will control the big screen led screen! Before switching, it is possible to preview the content to be played, to prevent the wrong operation, safe and reliable!
2.2, brightness, the volume of a key to adjust
According to the actual situation at the scene, customers at any time on the iPad a key remote control screen brightness (from the brightest to the black) and the volume, simple and convenient. The most important thing is that any operation will not affect the use of the current screen body, do not quit the current play!
2.3, support the list of editing
Before use or in use, customers can at any time on the playback program file classification, list sorting, file changes and pre-monitoring. You can set a single cycle or list loop when playing a video.
2.4, picture in picture, four pictures, nine screen a key to switch
Single-screen playback mode and picture-in-picture (up to four sub-screen, sub-screen can be drag-and-drop size), four pictures, nine pictures, you can switch a key, zero seconds delay is not Caton; multi-screen mode, double- The screen switches the full screen and the window (audio sync).
2.5, support PPT, Word and other Office files to play
The wireless control system supports normal playback of Office files (including PPT animation), seamless switching between Office files, and seamless switching between video and video (that is, can not support large video files). A file can be placed in multiple windows, independent of each other, which pre-monitoring the next screen to ensure security.
2.6, can edit subtitles, support synchronization, asynchronous video
In the course of the use of the user can synchronize the editing of letters, a key to record video, support for synchronized video and a video, the recorded file can be exported.
2.7, support multi-screen synchronization
This system can support a multi-screen control. By switching, you can control the display of each display content separately, multi-screen synchronization control.
2.8, other functions
Power off: even if the iPad shutdown, the screen will still play in accordance with the original mode is not black screen playback;
External equipment: support cameras, DV, DVD players, notebook computers and other equipment directly connected, and can be synchronized pre-monitoring live screen, a key to switch.
Third, mobile phone and ipad combination of control led display
(With the master secret box + LED video processor + WIFI) combination program master box can also be replaced with millet box, the following master secret box as an example:
3.1 The main realization of the function
Through the phone (Andrews, Apple) system to control the led display to play the contents of the phone, including regular pictures, video and so on.
3.2 Required Function Equipment:
1) Andrews / Apple system phone one;
2) master a secret box;
3) a wireless router (need to connect to the Internet);
4) led a set of display;
5) LED video processor [support HDMI or related HDMI conversion line (master control box is the HDMI interface)];
3.3 Pre-control device needs to complete the connection and prepare the file to play:
1) first led display and LED video processor to connect and debug the normal completion;
2) Connect the HDMI output of the master tassel to the LED video processor and make the appropriate settings;
3) wireless router to open the wireless network, and the phone, the master secret box at the same time connected to the same WIFI network;
4) the phone according to the system to install a corresponding version of the LED master control system, and by setting to connect to the master secret box,
As well as the LED stage screen needs to play back the contents of the backup to the phone;
3.4 specific methods of operation:
1) through the main control system control the mobile phone, shared computer video or photos directly on the way through the way to send to the master secret box, the master secret box will receive directly after you play your own video, picture files;
2) can also be through the master secret box to play the Internet in a variety of video and so on