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ronald30Aug 15, 2025
What to do if my Dahua Technology LM49-S400 has no image or sound?
- KKelli AndersonAug 15, 2025
If your Dahua Technology Monitor is showing no image or sound, try switching to another channel or input to resolve the issue.
What to do if my Dahua Technology LM49-S400 has no image or sound?
If your Dahua Technology Monitor is showing no image or sound, try switching to another channel or input to resolve the issue.
Why is the image on my Dahua Technology Monitor inferior but the sound is normal?
If you're experiencing a poor image quality but the sound is normal on your Dahua Technology Monitor, the first step is to check the video signal line to ensure it's properly connected.
How to fix inferior sound on Dahua Technology LM49-S400 with normal image?
If the sound quality is poor while the image is normal on your Dahua Technology Monitor, check if the audio signal line is properly connected.
Why does my Dahua Technology LM49-S400 have a poor signal?
A poor signal on your Dahua Technology Monitor might be due to interference from other electric appliances. Try to identify and remove any potential sources of interference.
General| Screen Size | 49 inches |
|---|---|
| Resolution | 3840 x 1080 |
| Aspect Ratio | 32:9 |
| Response Time | 8 ms |
| Contrast Ratio | 3000:1 |
| Connectivity | HDMI, DisplayPort, USB |
| Refresh Rate | 60 Hz |
| Viewing Angle | 178°(H)/178°(V) |
| Operating Temperature | 0°C to 40°C |
| Storage Temperature | -20°C to 60°C |
