BenQ LK830ST   Installer ReadyOptimised for Multi-Projector Projects from Fast Setup to Long Term Performance Blending Ready Mode One-click preset for multi-projector blending to minimise setup effort  Brilliant Visuals with Stable Colour and Performance The LK830ST delivers brilliant image clarity and stable performance across every detail—from vivid Rec. 709 colour and high contrast to 4000-lumen brightness (ANSI) and 20,000-hour laser life.   BenQ WBA for Seamless Multi-Projector White Calibration BenQ’s factory white balance adjustment (WBA) reduce variables between images projected from different projectors, significantly reducing manual calibration effort. It can save up to a full day of setup time in large-scale installations while ensuring seamless multi-projector alignment for edge blending.  Full flexibility for ceilings, walls and floors360° and Portrait Projection for Full Installation Freedom  Up to 300-Inch Display 0.5 short throw ratio for large image from a short distance in limited spaces.   1 IP6X Sealed Engine Design for Dust-Prone Environments Shields the projector’s optical engine from dust intrusion, ensuring long-term stability and reliable performance in harsh, dust-prone environments such as exhibition halls, factory spaces, and training centers. 2 Optional Filter for Extra Protection Provides added protection in dusty environments and helps extend projector life. 3 Auto Reset Mechanism with Built-in Timer Automatically tracks filter usage and resets the timer when a new filter is installed, without any manual setup.   IT takes control Streamlined Device Management Remote Monitoring and Diagnostics Easily track projector status and diagnose issues remotely, eliminating frequent on-site visits. Firmware Management Over Network Easily update all projectors via LAN to keep firmware current without physical access. Reliable Performance, Less Maintenance Ensure long-term stability, freeing SI teams to focus on creative installations rather than routine upkeep.   Specifications   Display Brightness (ANSI lumens)4000 ANSI lumens = 9600 lumensResolution4K/UHD (3840×2160)Native Aspect Ratio16:9Contrast Ratio (FOFO)3,000, 000:1Display Color30-bit (1.07 billion colors)Light SourceLaserLight Source Lifea. Normal 20000 hrs, b. ECO 30000 hrs  Optical Throw Ratio0.496Zoom RatioFixedLens'F 2.8, f: 17.51 mmProjection Offset (Full-Height)114%Keystone Adjustment2D, (Auto) Vertical ± 30 degrees; Horizontal ± 30 degrees  Picture Rec. 709 Coverage93%Picture ModesSimulation, 3D, Bright, HDR10, HLG, Presentation, sRGB, User 1, User 2, Vivid  Compatibili ty Input Lag16.7 ms (1080P 60Hz)Resolution SupportVGA (640 x 480) to 4K UHD (3840 x 2160)Horizontal Frequency15K~135KHzVertica l Scan Rate23~240HzProjection SystemDLP  I/O Interface LAN (RJ45)(x1)USB Type A(x2)RS232 in (DB-9pin)(x1)  Audio Speaker1 5W, (x1)Audio out (3.5mm Mini Jack)(x1)  Environment Operating Temperature0~40℃Power SupplyAC 100 to 240 V, 50/60 HzTypical Power Consumption (110V)230W @110VACStand-by Power Consumption

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