Epson 503c - Manual (Page 84)

78 Appendix A: Connecting to Additional Equipment
If it doesn’t fit, you may have to use a Macintosh desktop adapter,
which you can buy from EPSON (see page 8).
To use the adapter, remove its cover as
shown and set its DIP switches according
to the resolution you want to use, such as
16-inch mode. See your Macintosh
documentation for instructions.
Replace the cover and connect the
adapter to the free end of the computer
video cable. Then plug the cable (with
the adapter) into the video port on your
Macintosh.
4. Tighten the screws on the connectors.
Connecting the Mouse Cable
To use the remote control as a mouse, follow the steps below.
If the Macintosh has a USB port, you can use the USB mouse cable
that came with the projector. If it has a round mouse port, you’ll need
a Macintosh ADB mouse cable. See your projector dealer for help in
obtaining the correct cable.
1. Connect one end of the mouse cable to the projector’s USB port.
2. Disconnect your Macintosh’s mouse cable. Connect the other end
of the projector’s mouse cable to a USB port on your Macintosh.