1. It is recommended to shut down and plug the HDMI high-definition cable

The interface design of HDMI is very convenient for plugging and unplugging, and the HDMI cable is also designed with hot-plugging function. However, due to the different internal processes of different HDMI high-definition cables and different connected high-definition devices, some users have caused problems when hot-plugging HDMI high-definition cables. The chip of the HDMI interface is burnt, so in order to use the HDMI high-definition cable 99.99% safely, it is recommended to confirm that both the TV and the high-definition player are turned off when plugging and unplugging the HDMI high-definition cable. accident.

2. HDMI cable to connect TV and HD

Many high-definition users will encounter some problems when they first use HDMI cables to connect TVs and high-definition machines. When the HDMI cable is connected and the HD player is turned on, it is found that the TV shows no video signal. In this case, don't panic, please check whether the TV has more than one HDMI interface. If yes, select the correct interface. The LCD TV in the picture has only one HDMI interface. Just plug in the HDMI cable in the off state, and connect the other end to the HDMI interface of the HD player. After turning on the power, enter the TV menu, set the HDMI mode, and select the The corresponding mode, and then the single machine can be determined.

3. Use HDMI high-definition cables of different specifications

Due to the different high-definition devices connected, it is necessary to choose a suitable HDMI high-definition cable. More and more home users begin to use computers to connect LCD TVs to watch movies. When the computer graphics card is not an HDMI interface, but a DVI interface, this HDMI to DVI interface is in front of me. The high-definition cable can be connected. The DVI connector adopts the standard DVI-D 24+1, which has strong versatility and can be connected to many digital appliances. The standard length of 1.8 meters can be used in many situations and avoid the entanglement of wires. .

Based on the wiring needs of the family, it is particularly important to choose a practical HDMI high-definition cable. Long-distance transmission has strict requirements for long-distance transmission of cables. When transmitting 1080i or 720P signals, there is little difference, but when transmitting 1080P signals, the requirements for HDMI high-definition cables are very strict. If the quality of the HDMI cable is not up to standard, the screen will jump, large red spots will appear, and there will be no signal. Therefore, the selection of long-distance cables should be very cautious. HDMI high-definition cable adopts 24K gold-plated connector, high-purity oxygen-free copper conductor, high-density double-layer shielding, accurately transmits high-quality multi-channel digital audio, supports high-definition resolution, supports 480P, 720P, 1080I, 1080P video formats, compatibility Strong, the transmission rate is up to 10Gps, and the signal transmission is stable.