Q&A
- LED Display LifetimeThe operational lifetime of an LED Display is determined by the lifetime of the LEDs. LED Manufacturers estimate the LED lifetime to be 100,000 hours under certain operating conditions. LED Display end of lifetimes is when the frontal brightness has decreased to 50% of original brightness.Q&A September 09, 2019
- LED Display VideoVideo can be described as display a moving image, which is made up of many individual frames played at a fast rate. Good video is played at 30 frames per second or higher. A slower rate can begin to look choppy and affect the presentation quality.Q&A August 12, 2019
- FAQ About Hangel TechnologyQuestion 1, What’s the business of Hangel Technology? Question 2, Are you manufacturer / factory or trading company? Question 3, What benefits can your products bring to me? Question 4, I’m a new comer to the product, is it easy to operate it? Question 5, What’s the difference between you and other vendors of LED display? Question 6, Why should I do the business with you, but not with other vendors? Question 7, How is your product quality? Question 8, What’s warranty on your products? ...Q&A July 21, 2017
- Prompt "No Send Card Detected" at Start-up01. The serial cable or USB cable is not connected to the sending card. 02. Computer COM or USB port is bad 03. Serial cable or USB cable is bad 04. Sending card is bad 05. No USB driver installedQ&A July 16, 2019
- System Troubleshooting LED Display System FailureThe first step: Check that the graphics card settings are set up properly. The second step: Check the basic connection of the system, such as DVI line, correct network line socket, connection between main control card and PC PCI cable, serial line connection, etc.Q&A June 03, 2019
- LED Display Electrostatic Protection Principle And Protective MeasuresThe main component of the LED display is the LED semiconductor product, and its rated maximum voltage value between the pins, once exceeded, the LED display will be malfunctioning or even damaged. Static electricity is often the main reason, so protecting static electricity is critical to LED displays.Q&A May 20, 2019
- LED Display Safe Power DistributionAfter the LED display is installed, it needs to be tested. Power distribution is one of the most important tasks. The safe power distribution operation can not only extend the life of the LED display, but also avoid unnecessary losses and dangers.Q&A April 15, 2019
- Explanation of Nouns for LED Display1. Data signal: Provide data needed for displaying images. The data must be coordinated with the clock signal in order to be transmitted to any display point. Generally, the red, green and blue data signals are separated in the display screen. If a data signal is short-circuited to the positive or negative poles, the corresponding color will appear bright or not. When the data signal is suspended, the corresponding color display situation is uncertain.Q&A March 08, 2019