Hi Kevin, I've recompiled skywatcher.cpp with the suggested changes but see/hear no change in the speed of the goto/park movement - any other ideas? COMM 232.060154 sec : read_eqmod: "=", 2 bytes read MOUNT 232.060251 sec : StartMotor() : Axis = 1 COMM 232.060453 sec : dispatch_command: ":J1", 4 bytes written COMM 232.061585 sec : read_eqmod: "=", 2 bytes read MOUNT 232.061681 sec : SetMotion() : Axis = 2 -- dir=backward mode=goto speedmode=lowspeed SCOPE 232.061834 sec : CheckMotorStatus() : Axis = 2 COMM 232.061971 sec : dispatch_command: ":f2", 4 bytes written COMM 232.063120 sec : read_eqmod: "=101", 5 bytes read MOUNT 232.063220 sec : StopWaitMotor() : Axis = 2 COMM 232.063373 sec : dispatch_command: ":K2", 4 bytes written COMM 232.064089 sec : read_eqmod: "=", 2 bytes read COMM 232.064278 sec : dispatch_command: ":f2", 4 bytes written COMM 232.065249 sec : read_eqmod: "=101", 5 bytes read COMM 232.065442 sec : dispatch_command: ":G221", 6 bytes written COMM 232.066237 sec : read_eqmod: "=", 2 bytes read MOUNT 232.066332 sec : SetSpeed() : Axis = 2 -- period=18 COMM 232.066531 sec : dispatch_command: ":f2", 4 bytes written COMM 232.067748 sec : read_eqmod: "=201", 5 bytes read COMM 232.067916 sec : dispatch_command: ":I2120000", 10 bytes written COMM 232.069119 sec : read_eqmod: "=", 2 bytes read MOUNT 232.069275 sec : SetTarget() : Axis = 2 -- increment=470729 COMM 232.069487 sec : dispatch_command: ":H2C92E07", 10 bytes written COMM 232.070794 sec : read_eqmod: "=", 2 bytes read MOUNT 232.070890 sec : SetTargetBreaks() : Axis = 2 -- increment=200 COMM 232.071095 sec : dispatch_command: ":M2C80000", 10 bytes written COMM 232.072358 sec : read_eqmod: "=", 2 bytes read MOUNT 232.072455 sec : StartMotor() : Axis = 2 COMM 232.072657 sec : dispatch_command: ":J2", 4 bytes written COMM 232.073717 sec : read_eqmod: "=", 2 bytes read Read More...