9. Appendix

￿Specifications

This section provides technical information about the VT770 Projector's performance.

Model Number

VT770

 

Optical

 

 

LCD Panel

0.8" p-Si TFT active-matrix with Micro Lens Array

Resolution

1024  768 pixels* native, up to UXGA with Advanced AccuBlend

Lens

Manual zoom and focus:

 

F1.7 - 2.0

f=24.0 - 28.8mm

Lamp

200W (152W Eco mode)

Image Size

25 - 300 inches (0.6 - 7.6 m) diagonal

Projection Distance

2.38 - 35.8 ft / 0.7 (Wide) - 11 m (Tele)

Projection Angle

Tele : 9.5° - 9.9° Wide : 11.4° - 12.1°

Electrical

 

 

Inputs

2 RGB (D-Sub 15 Pin), 1 Component (RCA3 [YCbCr]),

 

1 S-Video (DIN 4 Pin), 1 Video (RCA), 2 Stereo Mini Audio,

 

2 (L/R) RCA Audio, 1 PC Control (D-Sub 9 Pin)

Outputs

1 RGB (D-Sub 15 Pin), 1 Stereo Mini Audio

USB Port

1 A Type, 1 B Type

PC Card

1 Slot

 

Video Compatibility

NTSC, NTSC4.43, PAL, PAL-60, PAL-N, PAL-M, SECAM, HDTV: 1080i,

 

1080i/50Hz, 720p, 576p, 480p, 480i, 576i/50Hz

Scan Rate

Horizontal: 15 kHz to 100 kHz (RGB: 24 kHz or over)

 

Vertical: 50 Hz to 120 Hz

Video Bandwidth

RGB: 80 MHz (-3dB)

Color Reproduction

16.7 million colors simultaneously, Full color

Horizontal Resolution

NTSC / NTSC4.43/PAL/PAL-M/PAL-N/PAL60: 540 TV lines

 

SECAM: 300 TV lines

 

RGB: 1024 dots (H)  768 dots (V)

External Control

RS232, IR

 

Sync Compatibility

Separate Sync / Composite Sync / Sync on G

Built-in Speaker

5W  2

 

Power Requirement

100 - 240V AC, 50 / 60 Hz

Input Current

3.2A (100 - 240V AC)

Power Consumption

9W in Idle mode / 6W in Power-saving mode /

 

280W in Lamp Normal mode /

 

225W in Lamp Eco mode

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NEC manual Specifications, Model Number VT770, 116, Optical, Electrical

VT770 specifications

The NEC VT770 is a versatile and powerful projector designed for various applications, primarily in educational and corporate environments. It stands out for its remarkable image quality, ease of use, and innovative features that cater to both presenters and audiences.

One of the key features of the VT770 is its native XGA resolution (1024 x 768 pixels), which ensures clear and detailed images. It utilizes a 3LCD technology, which contributes to bright, vibrant colors and high light output. With a brightness rating of 2800 ANSI lumens, it performs exceptionally well in diverse lighting conditions, making it suitable for medium to large-sized rooms without compromising image quality.

The VT770 offers a contrast ratio of up to 600:1, which enhances the distinction between the brightest whites and the deepest blacks. This feature is particularly beneficial for presentations that involve detailed graphs or images, as it allows for precise visual communication. The projector’s lamp life extends to approximately 6000 hours in eco mode, thus reducing operational costs and the frequency of replacements.

Connectivity is another area where the VT770 excels. It comes equipped with multiple input options, including VGA, composite video, S-video, and HDMI. This flexibility allows users to connect various devices such as laptops, DVD players, and video game consoles seamlessly. Additionally, the projector supports optional wireless connectivity, enabling presentations without the hassle of cables.

User-friendly features are integrated into the VT770, including an intuitive control panel and remote control, allowing easy adjustments and navigation through settings. The projector also incorporates keystone correction, which aids in aligning the image and ensuring a squared display despite the projection angles.

Another distinguishing characteristic of the VT770 is its lightweight and portable design, making it an excellent choice for professionals on the go. It can be easily transported between locations, enabling spontaneous presentations without the need for extensive setup time.

In conclusion, the NEC VT770 is a feature-packed projector that combines high-quality imaging with flexible connectivity and user-friendly operation. Its suitability for educational and business presentations makes it an invaluable tool for professionals seeking reliable performance and portability.