■Press the function key that lets you display on an external
monitor. It’s often labelled with an icon such as 
but it may also be labelled CRT/LCD. You may have to hold down the Fn key
while pressing it. Check your laptop’s manual or online help for details.
On most systems, the 
or CRT/LCD key lets you toggle between the LCD screen and the projector, or to display on both
at the same time. Allow a few seconds for the projector to sync up after pressing it.
■Depending on your computer’s video card, you might need to use the Display utility in the Control Panel to make sure that both the LCD screen and external monitor port are enabled. See your computer’s documentation or online help for details.
If you’re using a PowerBook:1.From the Apple menu, select Control Panels, then click
Monitors and Sound.
2.Click the Arrange icon.
3.Drag one monitor icon on top of the other. This lets you display on the projector screen as well as the LCD screen.
4.If this option isn’t available, click the Monitor icon.
5.Select one of the listed Simulscan resolutions. (Allow a few seconds for the projector to sync up after making the selection.)
The message Not Supported is displayed.Make sure your computer’s resolution doesn’t exceed UXGA
(1600 × 1200), and the frequency is supported by the projector
(see page 95). If necessary, change your computer’s resolution setting as described below.
88Solving Problems