http://btsupport.custhelp.com/cgi-bin/btsupport.cfg/php/enduser/fattach_adp.php?p_sid=0&p_tbl=9&p_id=10885&p_faqid=10885&p_created=1219840754
use this link to the user manual and go to page 32 I think. I've just done it and gone through the emergency re-set procedure. Easy Peasy and it worked...................YIPEE.
Good Luck
Hj, September 2008