General Operation

Protecting the Projector with the Security Lock

A password can be registered and the security lock set in order to protect the projector from unauthorized use.

Registering the password

The password is registered using the menus. For instructions on operating the menus, see “Menu Operation Method” on E-35.

(1)Select “Security Lock” in the “Option” menu and set it to “Enable”. The menu closes and the password registration display appears.

(2)Use the number buttons (1 to 4) to register the password. Be sure to input a 4-digit number.

Example: Registering the password “2441”

(1)Press number button “2”. An “*” (asterisk) appears at the first place. Next press number buttons “4”, “4” and “1” in that order. Asterisks ap- pear in all four places.

(2)Input the password again. An “*” appears when the input number matches. If there is a mistake, the asterisks turn off. Start over from step

(1) above.

If the password matches, the password registration display closes.

Note:

To cancel the number you have input, press the CANCEL button.

The asterisks disappear and the display returns to the input standby mode at the first place.

To cancel the password registration mode, press the CANCEL button again. The “Pass- word” display turns off.

This completes password registration.

The “Password” input display appears the next time the power is turned on.

Note:

The numbers you have input are not displayed. Be sure to write down the password and store it in a safe place.

STANDBY

MENU

RGB

ENTER

VIDEO CANCEL

QUICK

Q

FREEZE MUTE ECO AUTO

1 2 3 4

ASPECT

VOL KSTN ZOOM TIMER

E-32

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PLUS Vision U4-237 user manual Protecting the Projector with the Security Lock

U4-237 specifications

The PLUS Vision U4-237 is a state-of-the-art presentation tool designed for modern meeting environments. Its sleek design and advanced features make it a versatile solution for both professional and educational settings.

One of the standout characteristics of the U4-237 is its impressive resolution. With a Full HD display, the content is presented with incredible clarity and detail, ensuring that every presentation, video, and image is sharp and easy to see. This high resolution is particularly beneficial for detailed diagrams, graphs, and text-heavy slides, where clarity is essential for audience comprehension.

The U4-237 is equipped with advanced projection technology, including 3LCD technology, which enhances color accuracy and brightness. This feature ensures that vibrant colors are presented faithfully, making it ideal for a variety of content types, from colorful charts to intricate presentations.

Ease of connectivity is another key feature of the PLUS Vision U4-237. It offers multiple input options, including HDMI, VGA, and USB, allowing users to easily connect laptops, tablets, and other devices. Wireless connectivity options are also available, supporting seamless presentations without the hassle of tangled cables.

The U4-237 boasts a user-friendly interface, which simplifies navigation through menus and settings. This intuitive design allows users to quickly adjust settings like brightness and contrast, ensuring optimal performance in varying lighting conditions. The built-in speaker enhances sound delivery, negating the need for additional audio equipment during presentations.

Additionally, the PLUS Vision U4-237 is designed with energy efficiency in mind. It incorporates a long lamp life, reducing maintenance costs and downtime. This reliability makes it a perfect choice for regular use in classrooms or boardrooms.

Another notable feature is the comprehensive range of projection modes available, including eco mode, which conserves energy while still delivering quality images. The device also includes a remote control for convenient operation from a distance, making it easy to manage presentations smoothly.

In conclusion, the PLUS Vision U4-237 stands out for its high-definition display, advanced 3LCD technology, versatile connectivity options, user-friendly interface, and energy-efficient design. It is an excellent investment for anyone looking to elevate their presentation experience, whether in a professional or educational environment.