Samsung UF-80DX User Guide - Page 55
TroubleshootingMacintosh Program
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Troubleshooting(Macintosh Program) Symptom If the UF-80 Viewer does not run Solution To run the UF-80 Viewer, the digital visual presenter must be connected to a Macintosh. The digital visual presenter power must also be turned on. Check the USB connection and the digital visual presenter power. The device operates in USB 1.1 mode even when it is connected to a USB 2.0 compatible system. To operate in USB 2.0 mode, the device must be connected to a USB 2.0 compatible port or hub. Connecting the device to a USB 1.1 hub connected to a USB 2.0 compatible port or a keyboard/monitor USB port makes it operate in 1.1 mode. The device is connected to a USB 2.0 compatible port but the screen display is slow. Close any other applications that are running at the same time. The screen display may be slow for some systems with a low-specification graphics board. 53