PLUS Vision U4-237 Input the password using the number buttons 1 to, Canceling the password

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General Operation

If the password input display appears when the power is turned on

When a password has been registered, the “Password” input window appears on the projected image when the power is turned on. The projector continues projecting this image until the correct password is input. At this time, only the STANDBY button (power off) works. Use the procedure described below to input the registered password. For instructions on registering the password, see E-32.

Input the password using the number buttons (1 to 4).

Be sure to input the registered 4-digit number.

Example: To input the password “2441”

Press number button “2”. An “*” (asterisk) appears at the first place.

Next press number buttons “4”, “4” and “1” in that order. Asterisks appear in all

four places.[Password input window] If the password matches, the window turns off and the projector can be used

normally.

Canceling the password/Changing the password

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

Canceling the password

Select “Security Lock” in the “Option” menu and set it to “Disable”.

This clears the password and disables the security lock.

The password input display no longer appears when the power is turned on.

Changing the password

After setting “Security Lock” to “Disable” as described above, set it back to “En- able”. The menu closes and the password registration display appears. Register the new password. See “Registering the password” on E-32.

Protecting the network settings by password

The network settings can be protected by password. Refer to the “Image Viewer / Network” manual.

E-33

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Contents U4-237 DOC Compliance Notice PrecautionsPower Supply InstallationCleaning Lamp ReplacementMajor Features Table of Contents Table of Contents Adjustments and SettingsMenu Operations MiscellaneousRemote control includes one button battery Checking the Supplied AccessoriesPower cable 1.8 m / 5.9 feet Audio cable Mini plug, 2 m / 6.6 feetChecking the Supplied Accessories Carrying case for projector and accessoriesPocket Velcro strap Cable storage pouch Names of the Main Unit Parts Built-in Security Slot PC connector E-15, 16 Audio connector E-20Names of the Main Unit Parts PC card slotNames of the Remote Control Parts Button Battery Replacement Preparing the Remote ControlRemote Control Range Using the remote control for the first timeProcedure Up to Projecting to the Screen Screen Size and Projection Distance Placement GuidePersonal Computers with a DVI Connector Connections with Personal ComputerDVI-D cable Available as an option. Order code Connecting Personal Computers and Video Equipment Personal Computers with a Mini D-Sub 15-Pin ConnectorPersonal computer DVI/mini D-Sub 15-pin conversion cable Supplied itemManufacturer Model Key To Output the External Output Signal of a Notebook ComputerVideo Equipment with Video Connectors Connections with Composite SignalsVideo Equipment with S-VIDEO Connectors Video cable Suppled item Video cable Supplied itemGreen Blue Red Cb Cr Connections with Component SignalsPb Pr Green Blue RedAudio cable Supplied item Connections with Audio ConnectorsAudio conversion cable Supplied itemSwitch on the projector power Remote control operation Press the Standby buttonOperating Press the Enter button to set Power Cable Connections and Switching the Power On/OffThis completes the selection of the display language CursorFinishing Unplug the power cableAdjustment of the Projection Screen Adjustment of the Projection ScreenAdjust the projection image to the screen Zoom ringRaising the projection image Making Adjustments with the AdjustersLowering the projection image Focus ringWhen Auto Source is On Automatic Adjustment of Analog RGBWhen Auto Source is Off General OperationVideo Signals / Component Signals Selection of Aspect RatioGeneral Operation Cancelling Video and Audio Temporarily Lamp ModeFreezing a Moving Picture Keystone Adjustment of the VolumeEnlargement of the Image and Video Movement Image can also be moved in the following circumstancesPress the Zoom button to enlarge the image Press the Enter button and start the timer Using the Presentation TimerTimer Display Moving the Position of the Timer DisplayProtecting the Projector with the Security Lock Canceling the password/Changing the password Input the password using the number buttons 1 toCanceling the password Changing the passwordContent of Adjustments and Settings Using the Quick MenuNames and Functions of Buttons Used for Menu Operations Menu Operation MethodAdjustment Bar Adjustment Bar and Settings ContentsMenu Screen Names and Functions Menu Operation MethodMenu Display Press the Menu button to display the menu Performing Menu OperationsMaking Adjustments/Settings This condition al- lows selection of the item nameSub menu Selecting Another Menu Name with Remote Control Operation RGB Terminal Menu name Item Name Sub Menu SetupImage Picture Adj. Picture AdjustmentBrightness / Contrast / Color / Tint / Sharpness Picture Adj. / Fine Picture / H Position / V PositionPress of the Enter button forces the reset ResetFine Picture PositionColor Select the preset color modeQuick Color Adj GammaColor Temp Selection contents at the time of YPbPr inputWhite Color SpaceWhite Balance View Video SignalsAspect FilterVertical Flip / Horizontal Flip Power cable has been unpluggedKeystone Save ViewAuto Power Off SetupAuto Source Menu PositionSetup Presentation TimerTo start the timer Input FormatLanguage OptionOn Screen BackgroundStartup Screen Network PasswordSecurity Lock OptionLamp Timer Reset Factory DefaultInfo StatusResolution / Frequency Lamp TimerInfo Thermal Protector When an Indicator is Lit or BlinkingCheck the following matters before requesting servicing TroubleshootingCleaning a Soiled Projector Main Unit CleaningCleaning the Inside of the Projector Dirty LensReplacing the Lamp Cartridge Remove the lamp cartridge Replacing the Lamp CartridgeReset the Lamp Timer Mount the new lamp cartridgeMount the lamp cover Optical SpecificationsElectrical MechanicalResolution Frequency Video SignalTable of Supported Frequencies Digital Analog242 190 Unit mm inch Cabinet Dimensions2004

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.
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