BOXLIGHT CD-450m Using the Kensington Lock, Troubleshooting Problem Nothing on projection screen

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Using the Kensington Lock

The projector has a Kensington Security Standard connector for use with a Kensington MicroSaver Security System (Figure 28). Refer to the information that came with the Kensington System for instructions on how to use it to secure the projector.

FIGURE 28

Installing the Kensington lock

Troubleshooting

Problem: Nothing on projection screen

•Make sure that the power cord is properly connected to a fully functional AC electrical outlet. Make sure that the power cord is also properly connected to the projector.

•If the projector is plugged into a power strip, make sure the power strip is turned on.

•Make sure you have removed the lens cap on the projection lens at the front of the projector.

•Make sure the projector is switched on.

•Check the projector’s lamp to ensure that it is securely con- nected in the lamp module. See “Replacing the Projection Lamp” on page 35.

•Make sure that the cables do not have any bent pins.

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Contents Boxlight EN 55022 Warning Safety CertificationsFCC Warning Canada Trademarks Declaration of ConformityPage Table of Contents Index AppendixSafety Terms Safety InstructionsSafety Definitions Safety Symbols Customer Service CD-550m Image ResolutionIntroduction CD-450mAnything is missing CompatibilityUnpacking the Projector Shipping box contents Side view of projector If You Need Assistance WarrantyUsage Guidelines T r o d u c t i o n Setting UP the Projector Connecting the CablePro III to the Projector Equipment you want to connect Preparing to Connect Your Equipment to the ProjectorDo you want to play your computer’s audio on the projector? Connecting a Laptop ComputerAudio cable Mouse cable Connecting a Desktop Computer Audio cable Mouse cable Monitor cable Connecting a Video Player Video cable Cable Powering up the Projector and Adjusting the Image Turning Off the Projector Page Using the Remote Control Using the ProjectorBasic Image Adjustment I n g O j e c t o r Adjusting the Projector Source keypad only Or Computer and Video remote only Using the Keypad and Remote ButtonsMenu Mouse buttonsStandby Volume keypad onlyUsing the On-Screen Menus Contrast Display MenuBrightness TintBlank Screen Reset AllColor Bass VolumeAudio Menu TrebleManual Sync Image MenuAuto Image Auto ResizeVertical position Manual TrackingHorizontal position Ceiling Projection Controls MenuVideo Standard Standby TimePlug and Play Default SourceRear Projection Auto Source SelectDisplay Startup Screen Language MenuStatus Menu Source Software versionCablePro version Replacing the Projection Lamp Maintenance & TroubleshootingCleaning the Lens Pull the lamp door up and remove it Remove the module Figure Replacing the Batteries in the Remote Control Troubleshooting Problem Nothing on projection screen Using the Kensington LockProblem Only the start-up screen displays Problem Color or text not being projectedProblem The screen resolution is not right Problem Image isn’t centered on the screenProblem no sound Problem Image is too wide or narrow for screenProblem Image is out of focus Problem Image and menus are reversed left to rightProblem Lamp shuts off Problem Image is noisy or streakedProblem Lamp seems to be getting dimmer Appendix SpecificationsComputer Audio Input Video Audio InputStandard Accessories ship with the projector AccessoriesOptional Accessories Key command to Computer Activate port De-activate port Portable and Laptop Activation ChartFN-F6 FN-F4 FN-F1 FN-F2 FN-F1 FN-F7 FN-F5 Using SimulScan Using Video Mirroring with a PowerBook ComputerDistance to Diagonal Width Height Screen m Projected Image SizeDistance to Diagonal Width Height FeetImage Size, Width and Height for CD-450m-minimum image size Image Size, Width and Height for CD-550m-maximum image size Image Size, Width and Height for CD-550m-minimum image size Index D e Page D e Limited Warranty Part Number

CD-450m, CD-550m specifications

The BOXLIGHT CD-450m and CD-550m are advanced interactive flat panel displays that significantly enhance the educational and presentation experience. Designed specifically for classrooms and conference rooms, these displays boast a host of features that make them ideal for collaboration, engagement, and effective teaching.

One of the standout features of the CD-450m and CD-550m is their high-resolution display. With 4K UHD resolution, these panels deliver crystal-clear images and vibrant colors that make any content pop. Whether presenting detailed charts, videos, or interactive software, the visuals are sharp and vivid, ensuring that all viewers can engage with the material effectively.

Touch technology is another key characteristic of the BOXLIGHT CD series. Both models utilize advanced in-cell touch technology, allowing for smooth, responsive interaction. With up to 20 points of touch, multiple users can interact simultaneously, making these displays perfect for group activities and collaborative learning environments. This level of interactivity encourages participation and enhances the learning experience, empowering students and presenters to share their ideas effortlessly.

In terms of connectivity, the CD-450m and CD-550m come equipped with various input options, including HDMI, USB, VGA, and more. This assortment of ports ensures compatibility with multiple devices, including laptops, tablets, and smartphones. Additionally, the panels support wireless screen mirroring, making it easy to display content from mobile devices without the hassle of tangled cables.

The built-in Android operating system allows users to access a range of pre-installed educational applications, providing immediate tools for teaching and learning. This feature streamlines the setup process, as users can start using the panel right out of the box without needing additional devices.

Durability is another aspect where these models shine. Constructed with a sturdy design, the displays are built to withstand the rigors of daily use in busy environments. The anti-glare screen provides excellent visibility under various lighting conditions, while the protective glass layer ensures resistance to scratches and impact.

In summary, the BOXLIGHT CD-450m and CD-550m interactive flat panel displays combine high-resolution visuals, responsive touch technology, robust connectivity options, and a user-friendly interface, making them a valuable addition to any educational or professional setting. These features work together to foster collaborative and interactive learning experiences, positioning the CD series as a leader in interactive display solutions.