ddn
minicom usbX
& to stop binary output
T to enter terminal mode
disconnect sonic head
D or & (I'm not sure) to get to "......" mode
x to break out
aq 9 to set a data rate that doesn't use 60Hz (10Hz in this case)
reconnect sonic head
^ to check that field 4–6 are similar
^ to stop this diagnostic mode
D to set data mode
& to start collecting data