If you’re using a PC laptop:

Hold down the Fn key and press the function key that lets you display on an external monitor. It may have an icon such as

, or it may be labelled CRT/LCD. Allow a few seconds for the projector to sync up after 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 display on both at

the same time.

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 or 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 the Arrange icon 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, for the PowerLite 713c) or SXGA (1280 1024, for the PowerLite 503c), and the frequency is supported by the projector (see page 92). If necessary, change your computer’s resolution setting as described on page 64.

Solving Problems 63