BASIC stamp manual v2.2

Quick Start Guide
Page 34 BASIC Stamp Syntax and Reference Manual 2.2 www.parallax.com
c) If the error reported a connection problem with the BASIC Stamp,
make sure the first line of code indicates the proper module name
and verify the programming cable connections, module
orientation (in the socket) and that it is properly powered, then try
downloading again.
8) Congratulations! You've just written and downloaded your first
BASIC Stamp program! The "Hello World!" text that appeared on the
screen was sent from the BASIC Stamp, back up the programming
cable, to the PC.