I have an Epson projector and Smartboard. There is always about a 4" gap on top and bottom of the smartboard that does not display any image (on full). Can this be
V12H949001B6 | BrightLink Pro 1460Ui Full HD Interactive Display with All in One Whiteboard & Wall Mount | Interactive | Projectors | For Work | Epson US
V12H949001 | All-in-One Whiteboard and Wall Mount System for BrightLink Pro | Projector Accessories | Accessories | Epson US
V11H746620 | PowerLite 680 XGA 3LCD Presentation Display for SMART Board Interactive Whiteboards | Classroom | Projectors | For Work | Epson US
V12H949001 | All-in-One Whiteboard and Wall Mount System for BrightLink Pro | Projector Accessories | Accessories | Epson US
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Amazon.com: Epson BrightLink 475Wi Interactive WXGA 3LCD Projector with Mount - Epson V11H453520W : Electronics
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