Hey, let me tell you, have you ever encountered this situation - the large screen in the company's newly installed conference room suddenly went black. The administrative department referred it to the IT department, and the IT department said to contact procurement, who then contacted the manufacturer. Finally, it was discovered that the cleaning lady pressed the power button while wiping the screen? Today I will tell you clearly which department should manage indoor LED screens.

​​The first person responsible is actually it​​

Guess what? According to the management system of a university in 2023, the first responsible party for indoor LED screens is neither the user department nor the maintainer, but​ ​Asset ownership department​ ​. Simply put it is:
• Pinggui Logistics Department Manager in the school classroom
• Advertising screens in shopping malls are managed by the property department
• The corporate conference room screen is managed by the administrative department
Last year, a supermarket chain suffered a loss when its LED screen was scratched by a naughty child. The regional manager and store manager blamed each other. Finally, after adjusting the monitoring system, they discovered that the screen was not registered in the fixed assets system at all.

​​Three iron rules of daily management​​

The most outrageous management vulnerability I have ever seen - a hospital's waiting screen was actually connected to the Internet, and hackers directly tampered with it into small advertisements. The normal operation should be:

1. ​​Dedicated personnel and dedicated aircraft control​ ​: The playback computer must be physically isolated from the network, and the USB flash drive must be kept by a dedicated person.
2. ​​Timer switch​ ​: Fixed operation every day from 7:00-20:00, automatic power-off protection after timeout
3. ​​Monthly physical examination system​ ​: Check the aging of the power cord, check the dust accumulation in the heat dissipation vent, and check the pixel attenuation
   There is a shopping mall that strictly implements these three rules. The same batch of screens has been used for two years longer than other stores without any major repairs.

​​Technical parameters determine management difficulty​​

There is a doorway here——​ ​Screen performance directly affects management costs​ ​. for example:
• For screens with a refresh rate ≥1920Hz [company technical parameters], the camera cannot capture water ripples, which saves time for live broadcast debugging.
• The brightness can be automatically adjusted to 800-1200nit [company technical parameters]. It is not reflective during the day and not dazzling at night.
• With remote diagnosis function, if something goes wrong in the middle of the night, you don’t have to call someone to the scene.
The lecture hall of a middle school upgraded to a smart screen last year, which cut the administrator's workload in half and no longer has to carry a ladder to adjust parameters.

​​Who will take the blame if something goes wrong? ​ ​

Remember this chain of responsibility:​ ​User → Administrator → Asset Department → Maintenance Party​ ​. Last year, the big screen crashed at a company's annual meeting. When looking for accountability, they discovered:

• The administration department did not conduct pre-event testing
• The IT department hasn’t updated the driver for half a year
• Supplier failed to remind for renewal after warranty expired
  In the end, the three parties shared the maintenance costs equally, and the boss was so angry that he changed the entire management system. Now they stipulate that 72 hours before each major event, a joint inspection report must be submitted by the four parties (use/management/assets/technology).

​​New trends in future management​​

Now some high-end places have started to play​ ​Digital twin management​ ​——Generate a virtual model for each screen and monitor it in real time:
• Voltage fluctuation of each lamp bead
• Changes in temperature and humidity inside the box
• Signal transmission delay in milliseconds
I heard that a certain science and technology park used this method to increase fault response speed by 60% and reduce maintenance costs by 45%. However, this system still has to choose a screen, which must be a model that natively supports the Internet of Things protocol.

Editor's point of view: Taking good care of an LED screen is like keeping a pet. You can't just buy it back. You need to feed it every day (maintenance), have regular physical examinations (testing), and find the right veterinarian (after-sales service) when you are sick. Next time you see someone blaming someone, slap this on his face - the management system is written in black and white, who can take responsibility?

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