InFocus DISPLAY LINK IN3902LB - Manual (Page 18)

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On Macintosh: Select System Preferences from the Apple Menu, then
select Displays. Click Arrangement, and check “Mirror Displays.”
• If the battery light does not turn on when the wand is being charged,
try one of the following:
- Make sure a USB cable is connected between the wand and either the
USB power adapter, or a USB port on your computer.
- If the wand is connected to the USB power adapter, make sure the
adapter is plugged in to a live electrical outlet. If the wand is
connected to your computer, make sure the computer is powered on.
- If the wand still won't charge, contact InFocus support at
www.infocus.com/support .
• If DisplayLink Manager setup always starts when USB cable is
connected, but you don't want to use DisplayLink projection, you can
disable DisplayLink: Go into the projector's Setup menu and turn off
the DisplayLink Source setting. NOTE: This does not disable the
DisplayLink connector; it only disables being able to project over
DisplayLink.