Unicom 3g card in the room no signal, I used the root 10 meters extension line received outdoors, but the voltage is often unable to identify the device, and later bought a separate 5v voltage hub feel little effect, I would like to extend the line again And then a public out of power supply, the question is: this way right? External male only red and black power cord does not connect the data line; hub has 4 jack, it is said to plug it 5v power supply after each jack are 5v voltage, I use two male power supply will not be too high Burn the computer More
Note: high-definition multimedia interface line the corresponding line connection is correct, you need to check the signal line and audio and video lines are loose; after installation, turn on the TV and set-top box power, then use the TV remote control signal source conversion To the corresponding set-top box input video signal source; until the automatic search after the program, you can watch the TV program
If the set-top box and TV are high-definition, you can also use high-definition multimedia interface cable (HDMI cable) to connect the TV and high-definition set-top box HDMI interface
and then the audio cable and video cable [audio line (red and white), video cable (white) access to the set-top box back to the signal input port; Yellow)】 corresponding to the color connection set-top box and TV
