I note on page 62 on the manual that "You can connect any 7-14 VDC....although you should use the minimum recommended voltage (8V) when possible." Why is 8 V recommended? 73/Gil NN4CW K2 #3104 KX-1 #54 _________________________________________________________________ Share holiday photos without swamping your Inbox. Get MSN Extra Storage now! http://join.msn.com/?PAGE=features/es