Dell S520 Projector - Manual (Page 106)

106 Using Your Projector
Make Application Token
The Application Token lets you perform Plug and Show using a USB token.
1 From the application software, click > USB Dongle
2 The following screen appears. Click Next.
3 Plug a flash drive into any of the USB ports on your computer. Select
the drive from the list, then click
Next.
4 Click Finish to close the wizard.