DR570T.3 Here's how to get to the 850 band on a modified 570: 1. make sure the 2M side of the radio is in VFO mode... 2. push to make 2M the sub-band (440 side is the main band) 3. push ... "SUB" indicator should come on... 4. push ... should see some 350.xxx freq. in the sub-band. 5. push ... should see some 850.xxx freq. in the sub-band. 6. push ... back to "normal" radio mode... 7. push to switch the 850.xxx band to the main band where you can play with it.. Ken. KC4YOZ