Epson 73c - Manual (Page 84)

78 Appendix A: Connecting to Additional Equipment
Connecting the Mouse Cable
To use the remote control as a mouse, follow the steps below.
1. Connect the square end of the USB mouse cable to the projector’s
USB port, as shown.
2. Disconnect your mouse from the USB port on the back of your
computer and replace it with the other end of the cable. (Your
computer’s mouse will be disabled.)
3. If necessary, configure your computer to work with a USB mouse.
4. You can connect an external mouse to the USB Type A port or
use the port as a USB hub to connect an external USB device, if
you want.