Msquare:
(My sweep code has an advantage that I can do something synchronized with two servos. In an built in function one would need to change the sweep rate for each "ratio".)
What do you mean by the ratio? Perhaps you can say more about the functionality.
I don't want to hijack this thread so I have created a new thread here: http://arduino.cc/forum/index.php/topic,68474.0.html