Now the installation of full-color LED displays, whether indoors or outdoors, is moving in the direction of “simplification”. 
The front maintenance LED display of P4 can be installed and removed from the front for easy maintenance. 
The editor will introduce P4 for you in detail. P4 front maintenance module installation and removal steps.
1. Maintenance LED display installation steps before P4.81

        1. First screw the magnets on the four corners of the P4.81 module respectively


Maintenance and installation steps before P4  -1
 2. Plug in the power supply separately
Maintenance and installation steps 2 before P4   -2
  3. Align the magnet on the back of the module with the magnet hole on the box and install the first module

Maintenance and installation step 3 before P4 -3

  4. Install the second module to the cabinet

Front service LED display
Maintenance and installation steps 4 before P4 -4
  5. Install the third module to the cabinet
Maintenance and installation steps before P4  -5
   6. When disassembling the module, put your hand on the module and gently pull out the module.
Maintenance and installation steps before P4  -6
  7. Remove the power cord of the module to complete the disassembly of the module
Maintenance and installation steps before P4  -7
2. Detailed steps to install the LED display box:

        1. When installing the LED display screen, start with the leftmost box in the bottom row.

LED display installation steps 1
   2. Then install the second one until one row of cabinets is installed
LED display installation steps 2
    3. By analogy, install the second row of cabinets
LED display installation steps 3
4. Install the third and fourth lines again…until the installation is complete
LED display installation step 4
   5. Install the third row, fourth row… cabinets again, until all cabinets are installed
   6. After connecting all the wires, light up the screen
indoor fixed led displays
Easy to install

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