Epson PowerLite 1781W 3200-Lumen WXGA 3LCD Projector - Manual (Page 39)

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Connecting a USB Device or Camera to the Projector
You can connect your USB device or camera to the projector's USB-A port and use it to project images
and other content.
1. If your USB device came with a power adapter, plug the device into an electrical outlet.
2. Connect the USB cable (or USB flash drive or USB memory card reader) to the projector's USB-A
port.
Note: Do not connect a USB hub or a USB cable longer than 10 feet (3 m), or the device may not
operate correctly.
3. Connect the other end of the cable (if applicable) to your device.
Parent topic: Connecting to External USB Devices
Selecting the Connected USB Source
You can switch the projector's display to the source you connected to the USB-A port.
1. Make sure the connected USB source is turned on, if necessary.
2. Press the Source Search button on the remote control.
3. Press the Source Search button again to cycle through other USB sources, if available.
Parent topic: Connecting to External USB Devices
Disconnecting a USB Device or Camera From the Projector
When you finish presenting with a connected USB device or camera, you must prepare to disconnect the
device from the projector.
1. If the device has a power button, turn off and unplug the device.
2. Disconnect the USB device or camera from the projector.