1. Introduction
This manual provides detailed instructions for the safe and efficient operation of your NEC NP905 Projector. Please read this manual thoroughly before using the projector and keep it for future reference. The NEC NP905 is designed for high-quality image projection, featuring 3000 lumens brightness and a 1024 x 768 display resolution, suitable for various presentation and home cinema environments.
2. Package Contents
Verify that all items listed below are included in your package. If any items are missing or damaged, please contact your dealer.
- NEC NP905 Projector
- Remote Control
- HDMI Cable
- Power Cord
- User Manual (this document)
3. Product Overview
Familiarize yourself with the main components and controls of your NEC NP905 Projector.
3.1 Front View
Figure 1: Front view of the NEC NP905 Projector, showing the projection lens, ventilation grilles, and the NEC logo.
3.2 Top View and Control Panel
Figure 2: Top view of the NEC NP905 Projector, highlighting the focus and zoom rings, and the integrated control panel with navigation buttons, menu, source selection, and power button.
3.3 Angled View
Figure 3: Angled view of the NEC NP905 Projector, showcasing its overall design and ventilation system.
3.4 Connectivity Ports
The NEC NP905 Projector includes various ports for connecting to different devices:
- HDMI Input: For high-definition digital video and audio sources.
- VGA Input: For connecting to computers and other analog video sources.
- USB Port: For connecting USB devices (e.g., for presentations directly from a USB drive, if supported by the model).
- Audio Input/Output: For connecting external audio devices or speakers.
- Power Input: For connecting the power cord.
4. Setup
4.1 Projector Placement
Place the projector on a stable, flat surface or mount it securely. Ensure there is adequate ventilation around the projector to prevent overheating. Position the projector at an appropriate distance from the screen to achieve the desired image size.
4.2 Connecting Power
- Connect the power cord to the projector's power input port.
- Plug the other end of the power cord into a grounded electrical outlet.
4.3 Connecting Input Sources
Connect your video source (e.g., laptop, Blu-ray player) to the projector using the appropriate cable.
- HDMI: For digital video and audio, connect an HDMI cable from your source to the projector's HDMI input.
- VGA: For analog video, connect a VGA cable from your source to the projector's VGA input.
- USB: If using a USB drive for direct playback, insert it into the USB port.
5. Operating Instructions
5.1 Powering On/Off
- To Power On: Press the Power button on the projector's control panel or the remote control. The power indicator light will illuminate.
- To Power Off: Press the Power button again. A confirmation message may appear; press it again to confirm shutdown. Allow the projector to cool down completely before unplugging it.
5.2 Adjusting Focus and Zoom
Use the rings around the lens to adjust the image:
- Focus Ring: Rotate the focus ring until the projected image is sharp and clear.
- Zoom Ring: Rotate the zoom ring to adjust the size of the projected image without moving the projector.
5.3 Selecting Input Source
Press the Source button on the control panel or remote control to cycle through available input sources (HDMI, VGA, USB). Select the source connected to your device.
5.4 Menu Navigation
Use the Menu button and arrow keys on the control panel or remote to access and navigate the projector's on-screen display (OSD) menu. Press Enter or Select to confirm selections and Exit to close the menu.
Common menu options include:
- Picture Settings: Adjust brightness, contrast, color, tint, and sharpness.
- Display Settings: Adjust aspect ratio, keystone correction, and projection mode.
- Audio Settings: Adjust volume and audio output options.
- Setup Menu: Configure language, auto power off, and other system settings.
6. Maintenance
Regular maintenance ensures optimal performance and extends the lifespan of your projector.
6.1 Cleaning the Projector
- Lens: Gently wipe the lens with a soft, lint-free cloth specifically designed for optical surfaces. Do not use abrasive cleaners or excessive force.
- Exterior Casing: Use a soft, dry cloth to wipe the projector's exterior. For stubborn dirt, dampen the cloth slightly with water and a mild detergent, then wipe dry. Avoid harsh chemicals.
- Air Vents: Periodically check and clean the air vents to ensure proper airflow. Use a soft brush or compressed air to remove dust accumulation.
Important: Always power off the projector and unplug it from the power outlet before cleaning.
7. Troubleshooting
If you encounter problems with your projector, refer to the following common issues and solutions.
7.1 No Image on Screen
- Ensure the projector is powered on and the power indicator light is active.
- Verify that the input source cable (HDMI, VGA) is securely connected to both the projector and the source device.
- Check that the correct input source is selected on the projector (use the Source button).
- Confirm that the source device (e.g., laptop) is outputting video.
7.2 Blurry or Distorted Image
- Adjust the focus ring on the lens until the image is sharp.
- Ensure the projector is perpendicular to the screen or use keystone correction in the OSD menu to adjust image shape.
- Clean the projector lens if it appears dirty.
7.3 No Sound
- Increase the volume on both the projector and the source device.
- If using HDMI, ensure the audio is being sent through the HDMI cable.
- If using external speakers, ensure they are properly connected and powered on.
7.4 Remote Control Not Working
- Check and replace the batteries in the remote control.
- Ensure there are no obstructions between the remote and the projector's IR receiver.
- Point the remote directly at the projector.
8. Specifications
Detailed technical specifications for the NEC NP905 Projector:
| Model Name | NEC NP905 |
| Display Technology | LCD LED |
| Brightness | 3000 Lumens |
| Native Resolution | 1024 x 768 (XGA) |
| Connectivity | HDMI, VGA, USB |
| Special Features | Integrated Speakers |
| Product Dimensions | 11.38 x 12.2 x 4.92 inches |
| Item Weight | 8.16 pounds |
| Manufacturer | NEC |
9. Warranty and Support
For specific warranty information regarding your NEC NP905 Projector, please refer to the warranty card included with your purchase or visit the official NEC website. Warranty terms and conditions may vary by region and retailer.
For technical support, service, or further inquiries, please contact NEC customer support through their official website or the contact information provided in your product documentation.
Online Resources: www.nec.com





