Chapter 2: SPX system settings 33.Cruise speedSet the cruise speed to the boat’s typical cruising speed. If neither the speed throughthe water nor the speed over ground are available via SeaTalk or NMEA, the SPXsystem will use the cruise speed value you set here as a default when adjustingautopilot settings.LatitudeIf valid latitude data is available via SeaTalk or NMEA, the SPX system will use thisdata instead of the calibration value.System resetCAUTION: Losing settings at system resetDo NOT carry out a System RESET unless advised to do so by aRaymarine dealer. If you complete a reset you will lose the SPXsystem calibration settings. You will then need to repeat the SPXsystem commissioning process.Carrying out a System reset will reset User calibration, Seatrial calibration and Dealercalibration settings to their default values.Note:the Display calibration settings will not change, as these are stored in each individual con-trollerTo carry out a system reset:1. Select the System reset (RESET) screen in Dealer calibration.2. Press +1 then press auto.3. The screen will then show an ARE YOU SURE message. Either:• Press auto to cancel the resetor• Press +1 again to select YES, then press auto to reset the SPX system.OptionsOFF Joystick off1 1 = Proportional power steerProportional power steer applies rudder in proportion to joystick movement – thefurther the joystick is held over, the greater the applied rudder.2 2 = Bang-bang power steerBang-bang power steer applies continuous rudder in the direction of the levermovement – to improve control, the speed of rudder movement changes with theangle of the lever. For maximum speed, push the lever hardover. If you return thelever to the center position, the rudder will remain in its current position.Screen Text RangeCRUISE SP 4 to 60 knotsScreen Text RangeLATITUDE 0° to 80° in 1° steps