Silicon Graphics Presenter Owner's Manual page 22

Chapter 1: Setting Up and Using the Presenter Monitor
10
5. Turn on the overhead projector. Note that it takes about a minute to
warm up. An initial bright flash followed by a dark interval before the
brightness increases is normal.
6. Choose the projector lens appropriate for your task.
If you are projecting over a distance of more than 6 feet, you
probably won't want to use the projector's wide-angle lens with
Presenter. Rotate the wide-angle lens away from the standard lens.
If you are projecting a larger image from a short distance, use the
wide-angle lens.
7. If the power cable and interface cable are not already attached to
Presenter 1280 and to your workstation, connect them now. (See
"Connecting the Cables" on page 3 if necessary.)
8. If Presenter is not already on, turn it on or restart it in either of the
following ways:
If you have a CRT monitor attached, open the Monitor Control
Panel. From the Find menu int he Toolchest, choose "Control
Panels" and double-click the monpanel icon. Click Turn On or
Restart.
Or press and release the power button on the front of the
workstation to turn on the Presenter and the workstation.