a valid connection string to the Solo default is "udp:10.1.1.166:14550"
prearm
character controls the prearm status of the Solo prearm check 0=Disabled 1=Enabled -3=Skip Baro -5=Skip Compass -9=Skip GPS -17=Skip INS -33=Skip Params/Rangefinder -65=Skip RC 127=Skip Voltage
default is -1