Epson PowerLite 8000i User Manual page 85

Note: To be able to use the remote control as a wireless mouse, make sure
you've connected the mouse cable to the projector and your computer. (See
Chapter 1 for instructions.)
The five Special Effects buttons are preprogrammed with the
following options:
1 Change the mouse cursor to a stamp
2 Draw a box
3 Use a marker pen
4 Draw a freehand line
5 Clear the screen
For information on changing these special effects, see page 107.
The projector may not respond to remote control commands in these
conditions:
The R/C (remote control) on/off switch is in the OFF position
Batteries are weak
Ambient light is too bright
A certain type of fluorescent light is present
A strong light source (such as direct sunlight) shines into the
infrared receiver
Other equipment emitting infrared energy is present (such as a
radiant room heater)
Correct these conditions to use the remote control or control the
projector from a computer.
Controlling the Projector
75