Canon LE-5W - Manual (Page 57)

57 Menu function settings
For Mac:
Drag and drop the projector's icon to the trash.
Press the BACK or HOME button on the remote control to leave the USB File
Transfer screen.
Check that the connection has been disconnected. Do not disconnect the USB cable
while the files are being copied, as this could result in loss of data or damage to the
projector. The connection does not end if files on the projector are open on the
computer. Close all files on the projector, and then disconnect.