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

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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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Contents U4-237 Precautions DOC Compliance NoticeInstallation Power SupplyCleaning Lamp ReplacementMajor Features Table of Contents Adjustments and Settings Table of ContentsMenu Operations MiscellaneousChecking the Supplied Accessories Remote control includes one button batteryPower cable 1.8 m / 5.9 feet Audio cable Mini plug, 2 m / 6.6 feetPocket Velcro strap Cable storage pouch Checking the Supplied AccessoriesCarrying case for projector and accessories Names of the Main Unit Parts PC connector E-15, 16 Audio connector E-20 Built-in Security SlotNames of the Main Unit Parts PC card slotNames of the Remote Control Parts Preparing the Remote Control Button Battery ReplacementRemote Control Range Using the remote control for the first timeProcedure Up to Projecting to the Screen Placement Guide Screen Size and Projection DistanceDVI-D cable Available as an option. Order code Personal Computers with a DVI ConnectorConnections with Personal Computer Personal Computers with a Mini D-Sub 15-Pin Connector Connecting Personal Computers and Video EquipmentPersonal computer DVI/mini D-Sub 15-pin conversion cable Supplied itemTo Output the External Output Signal of a Notebook Computer Manufacturer Model KeyConnections with Composite Signals Video Equipment with Video ConnectorsVideo Equipment with S-VIDEO Connectors Video cable Suppled item Video cable Supplied itemConnections with Component Signals Green Blue Red Cb CrPb Pr Green Blue RedConnections with Audio Connectors Audio cable Supplied itemAudio conversion cable Supplied itemOperating Switch on the projector powerRemote control operation Press the Standby button Power Cable Connections and Switching the Power On/Off Press the Enter button to setThis completes the selection of the display language CursorUnplug the power cable FinishingAdjustment of the Projection Screen Adjustment of the Projection ScreenAdjust the projection image to the screen Zoom ringMaking Adjustments with the Adjusters Raising the projection imageLowering the projection image Focus ringAutomatic Adjustment of Analog RGB When Auto Source is OnWhen Auto Source is Off General OperationGeneral Operation Video Signals / Component SignalsSelection of Aspect Ratio Freezing a Moving Picture Cancelling Video and Audio TemporarilyLamp Mode Adjustment of the Volume KeystonePress the Zoom button to enlarge the image Enlargement of the Image and Video MovementImage can also be moved in the following circumstances Using the Presentation Timer Press the Enter button and start the timerTimer Display Moving the Position of the Timer DisplayProtecting the Projector with the Security Lock Input the password using the number buttons 1 to Canceling the password/Changing the passwordCanceling the password Changing the passwordUsing the Quick Menu Content of Adjustments and SettingsMenu Operation Method Names and Functions of Buttons Used for Menu OperationsAdjustment Bar and Settings Contents Adjustment BarMenu Screen Names and Functions Menu Operation MethodPerforming Menu Operations Menu Display Press the Menu button to display the menuSub menu Making Adjustments/SettingsThis condition al- lows selection of the item name Selecting Another Menu Name with Remote Control Operation RGB Menu name Item Name Sub Menu Setup TerminalPicture Adj. Picture Adjustment ImageBrightness / Contrast / Color / Tint / Sharpness Picture Adj. / Fine Picture / H Position / V PositionReset Press of the Enter button forces the resetFine Picture PositionSelect the preset color mode ColorQuick Color Adj GammaSelection contents at the time of YPbPr input Color TempWhite Color SpaceWhite Balance Video Signals ViewAspect FilterPower cable has been unplugged Vertical Flip / Horizontal FlipKeystone Save ViewSetup Auto Power OffAuto Source Menu PositionPresentation Timer SetupTo start the timer Input FormatOption LanguageOn Screen BackgroundNetwork Password Startup ScreenSecurity Lock OptionFactory Default Lamp Timer ResetInfo StatusInfo Resolution / FrequencyLamp Timer When an Indicator is Lit or Blinking Thermal ProtectorTroubleshooting Check the following matters before requesting servicingCleaning Cleaning a Soiled Projector Main UnitCleaning the Inside of the Projector Dirty LensReplacing the Lamp Cartridge Replacing the Lamp Cartridge Remove the lamp cartridgeMount the lamp cover Reset the Lamp TimerMount the new lamp cartridge Specifications OpticalElectrical MechanicalSignal Resolution Frequency VideoTable of Supported Frequencies Digital AnalogCabinet Dimensions 242 190 Unit mm inch2004

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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