PowerLite 1940W WXGA 3LCD Projector

Connect your USB device or camera to the projector's USB-A port, then switch the projector's display to the source you connected to the USB-A port. When you're done presenting, make sure you disconnect the device from the projector correctly.

Note: You can use the projector's Slideshow feature to present compatible images from a USB device.

Related references
Connecting a USB Device or Camera to the Projector
Selecting the Connected USB Source
Disconnecting a USB Device or Camera From the Projector
Projecting a Slideshow