Steps and precautions of adding movies to Schleswig KTV song ordering system

1) The types, advantages and disadvantages of touch screens are classified as follows: A, acoustic screen B, resistance screen C, infrared screen D and capacitive screen; According to its interface classification: A, serial touch screen B, USB touch screen C, mouse touch screen. At present, noise screens and resistance screens are widely used in the market. The advantages of sound insulation screen are: long service life, no fear of scratching and strong resistance; Disadvantages: afraid of water and dust. Advantages of resistance screen: not afraid of water and dust, disadvantages: short life and fear of scratching. 2) Connection mode of touch screen and set-top box Connection mode of touch screen and legendary set-top box: A. The touch interface is a USB port, which can be directly connected with the USB port of legendary set-top box. B, the touch screen interface is a serial port, so you need to use the legendary serial port conversion line, and then connect it to the dedicated serial port of the legendary set-top box. The touch screen is equipped with a PS2 cable, which can be plugged into the keyboard port of the set-top box to get power. The infrared screen can be directly connected to the mouse port. Applause like thunder V 1.2 set-top box connection: applause like thunder (V 1.2, V2. 1) can only use serial touch screen and infrared screen, but not USB interface touch screen. A, serial touch screen, the serial port is connected to a "serial adapter box" and then to the set-top box serial port of applause V 1.2, and the touch screen comes with a PS2 cable plugged into the keyboard port of the set-top box to get power. Because the applause thundered and the serial port voltage was different from that of a standard computer, a "serial port adapter box" was needed. The infrared screen can be directly connected to the mouse port. Applause like thunder V2. 1 set-top box connection: a, the touch screen comes out of the serial port, first connected to the "serial adapter box", then connected to the USB special line of the set-top box, and finally connected to the USB port of the set-top box. The touch screen has its own PS2 cable, which can be plugged into the keyboard port of the set-top box to get power. The infrared screen can be directly connected to the mouse port.

3) Installation and precautions of touch screen A. Distinguish the type of touch screen B from the interface. If the touch screen is far away from the set-top box, replace C with a network cable. Before installing it on the music ordering rack, test whether the voltage of D. Serial touch screen meets E. Add the sentence' use _ t panel = yes' to the centralized management upgrade program to make the touch screen available. 4) The difference between the large panel and the central control box. The big screen is the most widely used song ordering equipment at present. It can also connect the wallboard, service lights and control the tone of the power amplifier. Its advantages are convenient installation, elegant appearance and low cost. Now, the touch screen will gradually replace the big panel to order songs. Its advantages are simple operation, beautiful appearance and high-grade fashion. But it can't connect the wallboard, the service light and the tone that controls the power amplifier. The function of the central control box is to solve this problem.