BOXLIGHT CD-450m Problem Image is too wide or narrow for screen, Problem Image is out of focus

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2Click the Settings tab.

3Verify that the Desktop area is set to 1024x768 or less. Also check the following:

•Does your computer have a compatible video board? The pro- jector isn’t CGA or EGA compatible.

•Is your computer’s video port activated? This is especially true for laptop computers. See “Portable and Laptop Activa- tion Chart” on page 47.

Problem: Image is too wide or narrow for screen

•You might need to manually adjust the tracking to reduce or enlarge the projected image. Refer to “Manual Tracking” on page 29.

•Adjust the resolution of your video card if it’s greater than 1024x768.

Problem: Image is out of focus

•Turn the projection lens to focus the image.

•Make sure the projection screen is at least 5 feet (1.5 m) from the projector.

•Check the projection lens to see if it needs cleaning.

Problem: Image and menus are reversed left to right

•Rear projection mode is probably turned on. Turn Rear Projec- tion off in the Controls menu. The image should immediately return to forward projection. See “Rear Projection” on

page 31.

Problem: the projector displays vertical lines, “bleeding” or spots

•Adjust the brightness. See “Brightness” on page 25.

•Check the projection lens to see if it needs cleaning.

Problem: no sound

•Adjust volume.

•Verify audio/input connections.

•Adjust audio source.

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Contents Boxlight FCC Warning Canada Safety CertificationsEN 55022 Warning Trademarks Declaration of ConformityPage Table of Contents Index AppendixSafety Definitions Safety Symbols Safety InstructionsSafety Terms Customer Service Introduction Image ResolutionCD-450m CD-550mUnpacking the Projector CompatibilityAnything is missing Shipping box contents Side view of projector Usage Guidelines WarrantyIf You Need Assistance 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 Basic Image Adjustment Using the ProjectorUsing the Remote Control I n g O j e c t o r Adjusting the Projector Menu Using the Keypad and Remote ButtonsMouse buttons Source keypad only Or Computer and Video remote onlyStandby Volume keypad onlyUsing the On-Screen Menus Brightness Display MenuTint ContrastColor Reset AllBlank Screen Audio Menu VolumeTreble BassAuto Image Image MenuAuto Resize Manual SyncHorizontal position Manual TrackingVertical position Video Standard Controls MenuStandby Time Ceiling ProjectionRear Projection Default SourceAuto Source Select Plug and PlayDisplay Startup Screen Language MenuStatus Menu CablePro version Software versionSource Cleaning the Lens Maintenance & TroubleshootingReplacing the Projection Lamp 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 The screen resolution is not right Problem Color or text not being projectedProblem Image isn’t centered on the screen Problem Only the start-up screen displaysProblem Image is out of focus Problem Image is too wide or narrow for screenProblem Image and menus are reversed left to right Problem no soundProblem Lamp seems to be getting dimmer Problem Image is noisy or streakedProblem Lamp shuts off 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 Projected Image SizeFeet Distance to Diagonal Width Height Screen mImage 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.
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