.P4 indoor LED Display.Preparations for LED display screen calibration

　　1. Clean the LED display screen, remove dust and stains from the lamp surface and mask to avoid their impact on brightness. If you need to replace the mask, please ensure that the color of the mask is the same as before, otherwise the display will be affected, especially during the day, and the correction will not improve much;

　　2. Replace the module with poor functionality: some light points are not lit, there are many dead lights, scanning is not normal, the overall light points are too dark (the resistance may be incorrect), cable or socket issues affect the display, and so on. Ensure that the final display, scanning, and image are normal, without excessive darkness, constant brightness, continuous lighting, and other phenomena before proceeding;

　　3. Receiving card upgrade: If the current receiving card does not support calibration or has insufficient carrying points, an upgrade is required. Due to the risk of dead cards in receiving card upgrades, customers need to contact the control system company in advance for upgrades and related processing.

　　Finally, during the operation of large-scale display screens, operators should also pay attention to inspection and observe for any abnormal sounds, odors, or lights. If the display screen is not used for a long time, it should be inspected in advance before being put into use again. It is worth noting that long-term non use of surface mounted LED displays can lead to a decrease in reliable performance. It is recommended to use it for more than 1 hour per week to reduce moisture erosion of the display screen.

　　The proper operation of LED display screens also includes playing appropriate programs during use. For example, due to the light attenuation characteristics of LED lights themselves, long-term playing of the same screen results in significant local light attenuation; Long term playback of programs with high brightness can lead to various components working at full capacity and accelerate aging; From an economic perspective, it also consumes a large amount of electricity and increases operating costs. Therefore, it is important to pay attention during use.

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