There are many types of projector connections such as USB, VGA, Component, HDMI, and Display Port. Many connection types are cross or backward compatible using an adapter.
USB Plug 'n Play
Epson's USB Plug 'n Play technology projects images in seconds using just a USB connection, and it eliminates bulky VGA cables and computer function keys to toggle.
PC-free slideshows allow you to project slides and photos without a computer by plugging a USB thumb drive or digital camera directly into the projector. Compatible with JPG, BMP, GIF and PNG file formats, simply plug your own drive into the USB port, and you are ready to display your images or create a slideshow.
Universal Serial Bus (USB) may be connected and disconnected while devices are in operation (hot swapping). USB devices are self identifying, and USB is Plug-and-Play compliant which means installation and configuration of USB devices should be relatively easy.
HDMI digital connectivity is compatible with the latest laptops, Blu-ray and other media players, and allows you to project high-definition video and audio with just one cable.
Display Port connectivity is a simple, high-bandwidth interface that allows you to easily transmit audio and video through one small connection. It's designed to work on most devices — from computers, monitors, and televisions to cameras, DVD players and more. Display Port also works with older technology; and with adapters, it can also be backward compatibility with VGA, DVI and HDMI.
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