Epson PowerLite 7300 User Manual page 37

4. To use the ELP Link III software or to use the Effects buttons on
the remote control, connect one end of the serial cable to the
SERIAL terminal on the square end of the main cable.
5. Connect the other end of the serial cable to the serial port on the
back of your computer.
Note: You will not be able to use ELP Link III software if your laptop
has only one serial port that is being used to support a serial mouse.
6. Configure your laptop to work with an external mouse.
Note: You may have to set the display to appear on both the laptop's
screen and the projector. Some laptops let you change this setting with
the keyboard's function keys or by using a setup utility provided by the
computer manufacturer. Check your laptop's manual or online help
for instructions.
Connecting to a Computer
29