FAQ - Supernova STS

Frequently asked questions about dnp Supernova STS

  • What is included in the STS box?

    In the box you find the screen, mounting accessories, gloves and installation guide

  • Do I need to assemble the STS screen before installing?

    No, the screen is pre-assembled and ready to hang

  • What is the maximum screen size for the STS?

    The maximum image area is 2214x1245mm (87.2” x 49.00”)

  • What are the standard options for the STS?

    The screen is available in either 92” 16:10 or 100” 16:9 and with black aluminum frame with a silver trim strip

  • What if I need a different size or aspect ratio for the STS?

    Custom sizes are available upon request. Contact the local dealer

  • Can I order the STS screen with a different frame type or different frame color?

    For an extra cost we can do custom solutions. To be quoted on case-to-case basis

  • What is the ideal projector match for the STS?

    The perfect projector for the STS screen has a vertical offset of 126% and a Lens-Throw-Ratio (LTR) of 0.23:1 for 16:9 projectors or 0.26:1 for 16:10 projectors.

  • Are other projectors suitable for the STS?

    Projectors within +/- 25% of ideal measures should be acceptable for most users. It is however not recommended to use projectors that are in upper tolerance on LTR and lower tolerance on offset (and vice-versa) as that will affect the image uniformity near the projector

  • What is the ideal projector position for the STS?

    The perfect projector lens position is calculated like this: Vertical distance to screen center = 1.26 x Image height x 0.5. Horizontal distance to screen = 0.23 x Image width (for 16:9) or 0.26 x image width (for 16:10). Where the projector is positioned relative to the screen depends on the projector design (more specifically to the lens position in the projector).

  • Is correct orientation of the STS screen important?

    Yes, if the screen is not correctly rotated, relative to the projector, the Fresnel lens inside the screen is not working properly, which results in poor image quality

  • How do I know what way the STS screen must be turned?

    On the backside of the screen is a label showing what side that must face towards the projector. Another way is to look carefully after the half-circular lines from the Fresnel lens. The projector must sit in the end where the half-circles are smallest (towards the center of the half-circles). A third way is to look at where the screen looks most bright. Where the screen looks brightest is the direction where the screen is most effective and thus where the projector shall sit.

  • What is the “resolution” of the STS screen?

    The distance between the half-circular Fresnel lines are 100 microns. For a 100” 16:9 screen this translates to a maximum resolution of 22,140 x 12,450 pixels before potential geometry distortions

  • Can the STS screen be used as a whiteboard?

    It is not recommended to use the screen everyday as a whiteboard but it will not get damaged by using it occasionally. The screen can easily be cleaned by using normal cleaning agents for windows, glasses, monitors, flat panel televisions, etc.

  • Is the STS screen durable for interactive use?

    The screen can be used with standard interactive systems using soft markers/pointers/pens that do not scratch the surface. dnp denmark does not provide interactive solutions

  • Why is the image contrast better when the projector is shooting from below on the STS?

    The active side of the Fresnel lens reflects light coming from the direction of the projector. The passive side (backside) that is pointing away from the projector is blocking incoming light. When the projector is positioned below the screen there is no ambient light from that direction to wash out the image and ambient light from above is absorbed. When the projector is installed above the screen ambient light is also reflected but the passive side of the Fresnel lens is not effectively in use because there is no ambient light from below

  • What are the differences between the “standard STS” and the “limited edition STS”?

    The differences between the screens are: Gain, half-gain angle, frame design, board thickness and hanging method. Which one that is best for you depends on your needs. See the datasheet for more information on the screens.


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