NX Series Product User Manual
48
5.4 Product maintenance precautions
5.4.1 Precautions for switch on /off LED screen
(1) Turn on the screen: first turn on the control computer to make it run
normally, and then turn on the LED display.
(2) Turn off the screen: first turn off the power of the LED screen, turn off the
control software, and then turn off the computer correctly; (first turn off the
computer without turning off the display screen, it will cause the screen to
appear bright spots, burn the lamp, and have serious consequences)
(3) The interval between switching screens should be greater than 5 minutes;
(4) Avoid turning on the screen in the state of full white screen, because it is
the maximum power state at this time, and its impact current to the entire
power distribution system is the largest.
5.4.2 Precautions for power supply
(1) The LED module is powered by DC +5V (working voltage: 4.2~5.2V), AC
power is prohibited; the positive and negative poles of the power supply
terminals are strictly prohibited to be reversed (note: once reversed, the
product will be burnt out and even cause serious fire);
(2) Power supply voltage of LED display: 220V±10% Frequency: 50HZ±5%;
(3) Safe and reliable earth contact, reliable isolation between the earth wire
and the neutral wire, and keep the power supply away from high-power
spares;
(4) If abnormalities such as short circuit, tripping, wire burning, smoke, etc. are
found, the power-on test should not be repeated, and the problem should
be found in time;
(5) Keep the power supply stable, and do grounding protection to avoid
lightning strikes, do not use it under harsh natural conditions, especially
strong lightning weather;
(6) The large screen power supply must be supplied step by step, because the
maximum power state of the entire screen will have an impact on the entire
power distribution system;
(7) The LED display screen is not allowed to play the full white screen with the
highest brightness for more than half an hour, so as not to cause excessive
current, power cord heating, LED light damage, and affect the life of the
display screen. It is recommended to play dynamic videos;
(8) During the use of LED display products, the power supply should not be
turned on and off continuously, and there should be at least 1 minute
Summary of Contents for NX Series
Page 1: ...NX Series Product User Manual NX1 5 NX1 8 NX2 5 NX3 7 Shenzhen Absen Optoelectronic Co Ltd...
Page 16: ...NX Series Product User Manual 15 Default 45 angle on both sides 540mm 240mm...
Page 17: ...NX Series Product User Manual 16 2 1 2 Module size drawing 240mm 270mm...
Page 42: ...NX Series Product User Manual 41 b The trim pieces of the screen composed of small cabinets...