ViewSonic LS950WU

ViewSonic LS950WU Laser Projector User Manual

Model: LS950WU

1. Introduction

The ViewSonic LS950WU is a high-performance laser projector designed for large venues and professional applications. It combines powerful laser projection with flexible installation options and durable technology. With its impressive 7100 ANSI lumens brightness, native WUXGA (1920 x 1200) resolution, and advanced DLP technology, the LS950WU ensures sharp, vivid, and high-contrast images even in brightly lit environments.

This projector supports modern image formats, offers a wide range of professional installation features, and incorporates innovative control functions, making it an ideal choice for businesses, educational institutions, and creative installations.

ViewSonic LS950WU Laser Projector, angled front view

Figure 1.1: ViewSonic LS950WU Laser Projector, showcasing its sleek design and front lens.

2. Important Safety Instructions

Please read all instructions carefully before operating the projector. Keep this manual for future reference.

  • Power Source: Only use the power cord supplied with the projector. Connect to a grounded power outlet.
  • Ventilation: Do not block ventilation openings. Ensure adequate space around the projector for proper airflow to prevent overheating.
  • Heat: The projector generates heat during operation. Do not place it near heat sources or in direct sunlight.
  • Moisture: Do not expose the projector to rain, moisture, or excessive humidity. Do not place objects filled with liquids on or near the projector.
  • Cleaning: Unplug the projector from the power outlet before cleaning. Use a soft, dry cloth. Do not use liquid or aerosol cleaners.
  • Laser Safety: Do not look directly into the projector lens when the laser light source is active. Avoid direct eye exposure to the laser beam.
  • Servicing: Do not attempt to service this product yourself. Refer all servicing to qualified service personnel.
Side view of ViewSonic LS950WU Projector showing ventilation grilles

Figure 2.1: Side view of the projector highlighting the ventilation grilles, crucial for heat dissipation.

3. Package Contents

Carefully unpack the box and ensure all items listed below are present and undamaged. If any items are missing or damaged, contact your dealer immediately.

  • ViewSonic LS950WU Laser Projector Unit
  • Power Cord
  • Remote Control
  • Batteries for Remote Control (if included)
  • Quick Start Guide
  • Warranty Card (region dependent)
ViewSonic Projector Remote Control

Figure 3.1: The included remote control for operating the projector.

4. Setup

4.1 Projector Placement

The LS950WU can be placed on a table, mounted on the ceiling, or used for rear projection. Ensure the projector is placed on a stable, level surface or securely mounted.

  • Dimensions: 43.3 cm (W) x 48.6 cm (D) x 18.6 cm (H)
  • Weight: 12.8 kg
  • Maintain adequate clearance around the projector for ventilation (at least 30 cm from walls).

4.2 Connecting Power

  1. Connect the power cord to the projector's AC inlet.
  2. Plug the other end of the power cord into a grounded electrical outlet.
  3. Ensure the power switch on the projector (if present) is in the OFF position before connecting.

4.3 Connecting Video Sources

The LS950WU offers various input ports for connecting different video sources.

Rear view of ViewSonic LS950WU Projector showing input ports

Figure 4.1: Rear panel of the projector displaying various input and output ports, including HDMI, VGA, and control ports.

  • HDMI: Connect HDMI cables from your computer, Blu-ray player, or other HDMI-enabled devices to the HDMI input ports on the projector.
  • VGA (Computer In): Use a VGA cable to connect your computer's VGA output to the projector's "COMPUTER IN" port.
  • Audio: Connect audio cables to the "AUDIO IN" ports if using analog audio sources.
  • Control Ports: Utilize the LAN (RJ45) or RS232 ports for network control and integration into professional AV systems.

5. Operating the Projector

5.1 Powering On/Off

  1. Power On: Press the ON button on the remote control or the power button on the projector's control panel. The power indicator light will turn on.
  2. Power Off: Press the OFF button on the remote control or the power button on the projector's control panel. Confirm shutdown if prompted.

5.2 Input Source Selection

To switch between connected devices, press the INPUT button on the remote control or the projector's control panel, then navigate to select the desired source (e.g., HDMI1, VGA).

5.3 Image Adjustments

  • Focus: Use the FOCUS buttons on the remote control to sharpen the image.
  • Zoom: Use the ZOOM buttons to adjust the image size.
  • Keystone Correction: If the image appears trapezoidal, use the KEYSTONE buttons to correct it. The projector supports horizontal/vertical keystone and 4-corner adjustment.
  • Lens Shift: For precise image positioning without moving the projector, use the LENS SHIFT controls.
  • Aspect Ratio: The projector supports 16:10 native aspect ratio and is compatible with 21:9, ideal for wide-screen content. Adjust this setting in the OSD menu.
Front view of ViewSonic LS950WU Projector

Figure 5.1: Front view of the projector, showing the lens and control panel area.

6. Maintenance

Regular maintenance helps ensure optimal performance and extends the lifespan of your projector.

6.1 Cleaning the Projector

  • Exterior: Wipe the projector casing with a soft, dry, lint-free cloth. Do not use abrasive cleaners, waxes, or solvents.
  • Lens: Gently clean the lens with a lens cleaning cloth or lens paper. Avoid touching the lens directly with your fingers.
  • Air Vents: Periodically check and clean the air vents to prevent dust buildup, which can impede airflow and cause overheating. Use a soft brush or compressed air.

6.2 Light Source Life

The LS950WU utilizes a laser-phosphor light source (2nd generation) with an estimated lifespan of up to 30,000 hours in SuperEco mode, significantly reducing maintenance requirements compared to traditional lamp-based projectors.

7. Troubleshooting

If you encounter issues with your projector, refer to the following common problems and solutions.

ProblemPossible CauseSolution
No image on screen
  • Power cord not connected
  • Projector not powered on
  • Incorrect input source selected
  • Source device not powered on or connected
  • Ensure power cord is securely connected.
  • Press the power button to turn on the projector.
  • Press the INPUT button to select the correct source.
  • Check power and connections of the source device.
Image is blurry
  • Lens out of focus
  • Projector too close/far from screen
  • Adjust the FOCUS ring/buttons.
  • Adjust projector distance or use ZOOM.
Image is distorted (trapezoid)
  • Projector not perpendicular to screen
  • Use Keystone Correction (horizontal/vertical) or 4-corner adjustment.
No sound
  • Volume too low or muted
  • Audio cable not connected
  • Incorrect audio output on source
  • Increase volume or unmute.
  • Ensure audio cables are properly connected.
  • Check audio settings on your source device.

8. Technical Specifications

BrandViewSonic
Model NumberLS950WU
Product Dimensions43.3 x 48.6 x 18.6 cm
Product Weight12.8 kg
Native ResolutionWUXGA (1920 x 1200)
Brightness7100 ANSI Lumens (7300 central lumens)
Contrast Ratio3,000,000:1
Projection SizeUp to 300 inches
Aspect Ratio16:10 (compatible with 21:9)
Display Technology0.67" DMD chip, DLP
Color Representation1.07 Billion Colors
Light SourceLaser-Phosphor (2nd Generation)
Light Source LifeUp to 30,000 hours (SuperEco mode)
Keystone CorrectionHorizontal/Vertical, 4-Corner Adjustment
Projection Features360° Rotatable, Vertical Mode (90°)
ASINB0FCFPNP5J

9. Warranty and Support

For detailed warranty information, please refer to the warranty card included in your product package or visit the official ViewSonic website.

For technical support, product registration, or service inquiries, please contact ViewSonic customer support through their official channels.

Online Resources:

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