Manual for LS521N-B1

Manual for LS521N-B1

Brand: LG logo LG

Category: Camera

Document Type: Manual

Language: EN

Uploaded: Nov. 21, 2025, 9:25 p.m.

Warranty Information

None

  • Read and keep instructions.
  • Heed all warnings and follow all instructions.
  • Do not use near water; clean with a dry cloth.
  • Ensure proper ventilation and avoid heat sources.
  • Do not defeat plug safety features; consult an electrician if needed.
  • Protect power cords from damage.
  • Use only manufacturer-specified attachments/accessories.
  • Use with appropriate carts/stands; exercise caution when moving.
  • Unplug during lightning storms or long periods of non-use.
  • Refer servicing to qualified personnel.
  • Be careful with battery replacement to avoid explosion.
  • Ensure metal enclosures have rounded surfaces or brushings for wire passages.
  • This is a Class A digital apparatus.
  • Avoid exposing the product to rain or moisture.
  • Installation should be done by a qualified service person.
  • Do not open the cabinet to avoid electrical shock.
  • Do not expose the apparatus to water or place liquid-filled objects on it.
  • Ensure the power cord plug is easily accessible for disconnection.
  • Dispose of used batteries according to manufacturer's instructions.
  • Handle the unit with care, avoid spills, and keep metallic material out.
  • Clean the lens with a blower and the body with a dry or slightly damp cloth.
  • Avoid volatile solvents for cleaning.
  • Avoid viewing very bright objects for extended periods.
  • Do not operate or store in extremely hot/cold, damp, dusty, rainy, or high vibration locations, or near strong electromagnetic radiation sources.

Troubleshooting and error codes

Problem Possible Cause Solution
Picture is not clear. The lens is dirty. Clean the lens with a blower.
Camera is not operating. Power is not supplied. Check the power connection.
No image on monitor. Video cable is not connected. Check the video cable connection.
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