Replacing the Lamp Cartridge

Preparations: Turning the projector upside-down on top of a soft cloth, etc., so that it does not get scratched makes it easier to replace the lamp cartridge. Turn the projector right-side up after replacing the lamp cartridge.

1 Unplug the power cord.

2 Turn the projector upside-down.

3 Remove the lamp cover.

(1)Turn the lamp cover’s set screw counterclockwise and loosen until the screw turns freely. (The screw does not come off.)

(2)Open the lamp cover a little, then pull it in the direc- tion of the arrow and remove it.

4 Remove the lamp cartridge.

(1)Turn the lamp cartridge’s two set screws counter- clockwise and loosen them until the screws turn freely. (The screws do not come off.)

(2)Grasp the lamp cartridge’s handle and pull upward to remove the lamp cartridge.

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PLUS Vision U4-237 user manual Replacing the Lamp Cartridge, Remove the lamp cartridge

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.

Contents

U4-237 DOC Compliance Notice Precautions Lamp Replacement InstallationPower Supply Cleaning Major Features Table of Contents Miscellaneous Adjustments and SettingsTable of Contents Menu Operations Audio cable Mini plug, 2 m / 6.6 feet Checking the Supplied AccessoriesRemote control includes one button battery Power cable 1.8 m / 5.9 feet Pocket Velcro strap Cable storage pouch Checking the Supplied AccessoriesCarrying case for projector and accessories Names of the Main Unit Parts PC card slot PC connector E-15, 16 Audio connector E-20Built-in Security Slot Names of the Main Unit Parts Names of the Remote Control Parts Using the remote control for the first time Preparing the Remote ControlButton Battery Replacement Remote Control Range Procedure Up to Projecting to the Screen Screen Size and Projection Distance Placement Guide DVI-D cable Available as an option. Order code Personal Computers with a DVI ConnectorConnections with Personal Computer DVI/mini D-Sub 15-pin conversion cable Supplied item Personal Computers with a Mini D-Sub 15-Pin ConnectorConnecting Personal Computers and Video Equipment Personal computer Manufacturer Model Key To Output the External Output Signal of a Notebook Computer Video cable Suppled item Video cable Supplied item Connections with Composite SignalsVideo Equipment with Video Connectors Video Equipment with S-VIDEO Connectors Green Blue Red Connections with Component SignalsGreen Blue Red Cb Cr Pb Pr Supplied item Connections with Audio ConnectorsAudio cable Supplied item Audio conversion cable Operating Switch on the projector powerRemote control operation Press the Standby button Cursor Power Cable Connections and Switching the Power On/OffPress the Enter button to set This completes the selection of the display language Finishing Unplug the power cable Zoom ring Adjustment of the Projection ScreenAdjustment of the Projection Screen Adjust the projection image to the screen Focus ring Making Adjustments with the AdjustersRaising the projection image Lowering the projection image General Operation Automatic Adjustment of Analog RGBWhen Auto Source is On When Auto Source is Off General Operation Video Signals / Component SignalsSelection of Aspect Ratio Freezing a Moving Picture Cancelling Video and Audio TemporarilyLamp Mode Keystone Adjustment of the Volume Press the Zoom button to enlarge the image Enlargement of the Image and Video MovementImage can also be moved in the following circumstances Moving the Position of the Timer Display Using the Presentation TimerPress the Enter button and start the timer Timer Display Protecting the Projector with the Security Lock Changing the password Input the password using the number buttons 1 toCanceling the password/Changing the password Canceling the password Content of Adjustments and Settings Using the Quick Menu Names and Functions of Buttons Used for Menu Operations Menu Operation Method Menu Operation Method Adjustment Bar and Settings ContentsAdjustment Bar Menu Screen Names and Functions Menu Display Press the Menu button to display the menu Performing Menu Operations Sub menu Making Adjustments/SettingsThis condition al- lows selection of the item name Selecting Another Menu Name with Remote Control Operation RGB Terminal Menu name Item Name Sub Menu Setup Picture Adj. / Fine Picture / H Position / V Position Picture Adj. Picture AdjustmentImage Brightness / Contrast / Color / Tint / Sharpness Position ResetPress of the Enter button forces the reset Fine Picture Gamma Select the preset color modeColor Quick Color Adj Color Space Selection contents at the time of YPbPr inputColor Temp White White Balance Filter Video SignalsView Aspect View Power cable has been unpluggedVertical Flip / Horizontal Flip Keystone Save Menu Position SetupAuto Power Off Auto Source Input Format Presentation TimerSetup To start the timer Background OptionLanguage On Screen Option Network PasswordStartup Screen Security Lock Status Factory DefaultLamp Timer Reset Info Info Resolution / FrequencyLamp Timer Thermal Protector When an Indicator is Lit or Blinking Check the following matters before requesting servicing Troubleshooting Dirty Lens CleaningCleaning a Soiled Projector Main Unit Cleaning the Inside of the Projector Replacing the Lamp Cartridge Remove the lamp cartridge Replacing the Lamp Cartridge Mount the lamp cover Reset the Lamp TimerMount the new lamp cartridge Mechanical SpecificationsOptical Electrical Digital Analog SignalResolution Frequency Video Table of Supported Frequencies 242 190 Unit mm inch Cabinet Dimensions 2004