yes i have done that
i removed the led and just left the the 10k pull up resistor and then monitored this on a scope but its never pulled down.
but i did find someexample code on maxins web site the problem
is that its written in C
so i am just trying to figure out what the program is doing

http://www.maxim-ic.com/appnotes.cfm...te_number/3300

All The Best