Xiao Wang, who just took over the shopping mall advertising screen, was so anxious that he was sweating - the promotion started tomorrow, and the "Spring Clearance" on the screen still had Christmas snowflake special effects. Have you encountered this kind of crazy situation? Don’t panic. Today we will teach you how to modify the text of the LED screen step by step, so that you can get started after reading it.

Don't step on the three minefields

1. ​​Blindly plug and unplug the power supply​​
   Have you ever seen a repairman jumping after being frightened by electric sparks? Must be before changing the word​ ​Cut off the signal line and turn off the power supply​​, the driver board is burned in minutes. Last year, an employee of a supermarket directly pulled the plug, but the line-changing font chip was reimbursed, and the repair fee was enough to buy a new computer.

   

2. ​​Password setting is too simple​​
   "Passwords like 0000" and "8888" are equivalent to not being set! There was a gym that was spoofed, and the large screen showed "the boss ran away" in the middle of the night, but it was a loss of being too simple to take the password. Recommended​ ​Date + letter combination​​, for example, "0425XiuGai" is both easy to remember and safe.

3. ​​Ignore font copyright​​
   Do you think the next calligraphy font is cool? A shopping mall was asked to pay 80,000 yuan in compensation when using unauthorized fonts! Commercial fonts must be selected​ ​Open source licensed funds​​, Siyuan bold and Zhaiku series are both security cards.

Five tricks to modify Dafa for you to choose

​​Method 1: U disk direct insertion surgery​​

1. Open special software on the control computer
2. Drag and drop new text to the editing area to adjust the font size and color
3. Click "Export to USB drive", please check it​​Synchronization at the time of the program​​Options
4. Insert the USB drive into the USB port on the right side of the screen and automatically update in 5 seconds

Suitable for scenarios: outdoor advertising screen, fixed installation equipment
Advantages: Operation is fool, and the settings can be saved even if the power is cut off.
Disadvantages: Large file transfer is slow, and it is easy to get stuck after more than 2G

​​Method 2: Mobile phone remote control​​

1. The screen must have a WiFi module (most of them will be produced after 2018)
2. Scan the code to bind the device, please choose​​5GHz band​​Anti-interference
3. Typing directly in the APP, supporting emoji and dynamic expressions
4. Be sure to preview before clicking to avoid misalignment of typesetting

Suitable for scenarios: temporary active screen, rental display screen
Advantages: Real-time control within 20 meters, suitable for emergency modification
Disadvantages: The phone screen cannot be seen clearly when the sun is in direct sunlight

​​Method 3: Cloud synchronization​​

1. Create timing tasks in the management background
2. Upload the pre-made graphic template
3. set up​​Geographic location triggered​​Or time triggered
4. The system automatically pushes updates, and chain stores across the country can synchronize

Suitable scenarios: chain stores, bus stop signs
Advantages: accurate push for thousands of people and faces, saving time and effort
Disadvantages: Annual membership is required, and the basic version can only save 50 templates.

Parameters set life and death line

• ​​Font size ≥1/10 of screen height​​: A 10-meter-high screen, at least 1-meter-high character
• ​​Rolling speed ≤0.3m/s​​: Walking too fast can't see clearly
• ​​Color temperature 5000-6500K​​: Warm light, cold light pale
• ​​Blank area ≥30%​​: The dense words make you feel a headache

Anyone who has suffered losses knows that a certain property has stuffed the floor plan into the entire screen, and the customer said it is "like looking at mosaics." Later changed to​ ​Graphic and text separation layout​​, leaving 40% of the gap, and the number of consultations will be doubled immediately.

Soul-questioning session

Q: What to do if you forget your administrator password?
A: Find the reset key behind the screen and press and reset the factory settings for 15 seconds. However, all custom content will be cleared and used with caution!

Q: Some areas will not be displayed after modification?
A: Eighty percent of the partition settings are messy. Click "Full Screen Detection" in the software,​ ​Red area​​It means the signal interruption, focus on checking the network cable connector.

Q: How to break if the outdoor screen has serious reflection?
A: Don’t change the words at noon! The best operating period is​ ​2 hours after sunrise or 1 hour before sunset​​, at this time the screen is neither reflective nor exposed.

Q: Can I temporarily insert emergency notifications?
A: Advanced models support "strong plugging function". Press and hold the * key of the remote control for 3 seconds to pop up the input box immediately. Remember to enable permissions in the settings in advance.

The editor's suggestion

Be sure to do it before changing the word​​Three checks and three pairs​​: Check the power supply stability, check the signal line interface, check the font copyright； For font size ratio, color contrast, and release time. The most outrageous mistake I have ever seen - a hospital has labeled "pediatrics" as "this pediatrics" and failed for three days before discovering it.

If you are not sure about your idea, remember this universal formula:​​Use bold text in main title + round text in subtitle + elegant black text​​, the font size is distributed in a ratio of 7:5:3, so no mistakes can be made if you change it correctly. Next time you encounter the problem of changing words, follow this routine and you will definitely show off your skills in front of your leader!

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