Sharp QA-1200 Operation Manual page 10

3. SET UP
Set up the projection panel as follows.
The projection panel should not be used with any overhead projector (OHP) which may cause the panel's internal
LCD to reach temperature of 45°C(113°F).
Positioning
1) Turn the power ON to the OHP and place it in the best position for projection against a wall or screen. Turn
OFF the OHP.
2) Connect your computer in a convenient position next to the OHP.
3) The projection panel should be placed so that the fan intake vent is facing to the wall or screen.
NOTE
While the OHP's power is turned ON, do not leave the projection panel power OFF.
Center the panel's display area with the stage area of the OHP.