Help
I have a120A Xerun 1s just updated the program box to V1.64 and then loaded the V3 no timing into the speedo all went ok it cam up loaded ok so shuy off and disconnected reconnected the spedo to the rec and now when I switch on I get a green light flashing on the speedo and 2 beeps fron a buzzer. What have I done and how do I undo it????? Need to race on Sunday