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NEC VT770 manual Using On-Screen Menu Security

Models: VT770

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7. Using On-Screen Menu

Security

The Security function enables you to protect your projector so that the projector will not project a signal unless you enter a keyword. There is also an option to lock the projector by using a registered PC card* as a protect key. Once you have registered your PC card as a protect key, you are required to insert the registered PC card into the PC card slot of the projector each time you turn on the projector. You can enable the Security function by using a keyword only.

* The projector does not support FAT32 or NTFS

 

formatted flash memory card or USB memory

 

device.

 

Be sure to use a flash memory card or USB

 

memory device formatted with the FAT16 or FAT file

 

system.

 

To format your flash memory card or USB memory

 

device in your computer, refer to the document or

 

help file that comes with your Windows.

Enable/Disable

This turns the Security function on or off.

Keyword

Enter an appropriate keyword when you use the Security function. (Up to 10 characters can be used.) The

 

Security function is available only when your keyword is entered.

Use Protect key

Check this box to lock your projector when using a PC card. To use a keyword without a PC card, do not

 

check this box.

Drive

Switches between PC Card slot and USB port (type A).

Read

Reads data from a PC card.

Register

Registers data from the PC card. The Security function is not available unless at least one PC card is

 

registered. (if the “Use Protect key” check box is selected) Up to 5 PC cards can be registered.

Delete

Deletes data of a registered PC card.

To set up a keyword to enable the Security function without using a registered PC card.

1. Use the SELECT ￿￿ button to select “Keyword” and use the software keyboard to enter a keyword.

NOTE: Please make a note of your keyword.

2.Use the SELECT ￿￿ button to select “Enable” and use the SELECT ￿￿ button to select “OK”, then the

Security function will be enabled.

An “Are you sure?” message will appear. Use the SELECT ￿￿ button to select “OK” and press the

ENTER button.

The Security function takes effect.

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Page 90
Image 90
NEC VT770 manual Using On-Screen Menu Security
Page 89 Page 91

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.