The RDS8000 was simply not setup to do what you want.
You might call the 800 number and ask Jack if he has any suggestions but I am not aware of a way to do what you're asking.
Please call Monday through Friday only between 12 to 4 pm Pacific Time
1-800-262-1178
Read more:
http://www.rcuniverse.com/forum/m_99...#ixzz1AgYf8ck0