Record travel speed (SPD),Record the total mileage (ODO),Record single trip mileage (DST) ,Display maximum travel speed (MXS) Display the average speed of travel (AVS),Display Travel time (TM) 12 / 24 hour clock (CLK),Auto cycle function (SCAN) km or miles setting (KM / hr, M / hr),The total length of the initial value setting (the sETTING tIRE circumference) 1 Driving data sampling function (the FREEZE the MEMORY the FRAME)