To Next PageTo Next PageWhat to do if after-image appears on LG 55UM3DF?
If an after-image appears on your LG Digital Signage, and you've been using a fixed image for a long time, the pixels may be damaged; try using the screen-saver function. Also, the appearance of a dark image after displaying an image with high contrast (black and white or gray) can cause image sticking, which is normal for LCD screen products.
How to fix abnormal screen color on LG Digital Signage?
If the screen color on your LG Digital Signage appears abnormal, set the number of colors to more than 24 bits (true color) via Control Panel - Display - Settings - Color Table menu in Windows. Also, check the connection status of the signal cable, or try re-inserting the PC graphics card. Note that this may not be a malfunction of the LCD.
Why does the audio function not work on my LG 55UM3DF?
If the audio function on your LG Digital Signage is not working, check the following: Ensure the audio cable is properly connected. Adjust the volume settings. Verify that the sound is set correctly. Select an appropriate equalizer sound. Adjust the volume once more to ensure it is not muted or set too low.
What to do if the screen image looks abnormal on my LG Digital Signage?
If the screen image on your LG Digital Signage looks abnormal, it could be due to the graphics card resolution and frequency not being supported by the product. Verify that the graphics card resolution and frequency are supported. If the frequency is out of range, set it to the recommended resolution in the “Display” settings in the Control Panel. Another potential cause is an improper input signal connected to the signal port. Ensure that you connect the appropriate signal cable that matches the source input signal.
Why is no image displayed on my LG 55UM3DF Digital Signage?
There might be several reasons why your LG Digital Signage is not displaying an image. First, ensure that the power cord is correctly plugged into the power outlet. Also, check the signal cable and access the input menu to verify the input signal. If the signal from the PC's graphics card is out of the product's vertical or horizontal frequency range, adjust the frequency range according to the specifications.
General| Screen Size | 55 inches |
|---|---|
| Panel Type | IPS |
| Contrast Ratio | 1200:1 |
| Viewing Angle (H x V) | 178 x 178 |
| Life Time | 50, 000 hours |
| Operation Hours | 16/7 |
| Orientation | Landscape / Portrait |
| Speaker | 10W x 2 |
| Power Supply | AC 100-240V, 50/60Hz |
| Power Consumption (Typ.) | 150W |
| Operating Temperature | 0°C to 40°C |
| Operating Humidity | 10% to 80% |
| VESA Mount Standard | 400 x 400 mm |
| Resolution | 3840 x 2160 (UHD) |
| Response Time | 8 ms |
| Surface Treatment | Anti-glare |
| Input | HDMI, DisplayPort, USB |
| Output | Audio Out |
| External Control | RS-232C |
| Dynamic Contrast Ratio | Mega Contrast |
