42HARDI® MUSTANG 3500 OPERATOR’S MANUALExiting Standard CalibrationUpon completion of the calibration process, exit calibration by simplyturning the rotary dial to any function other than the calibration functions(RED boxes with white type).Before beginning operation, refer to Test Speed and Pre-field SystemCheckout on pages 43 and 44. This will confirm your calibrationsettings, nozzle selection and overall system performance.Loading Factory DefaultsTo load factory defaults, do the following:1. Turn the rotary switch to the SPEED position.2. Put the AUTO/MAN/HOLD switch in HOLD.3. Hold the appropriate RATE key and the “+” switch during power-up.RATE 1 = EnglishRATE 2 = MetricNOTE: Loading factory defaults also clears total counter pair andF1field counter pair, and blanks the pressure display.About Test SpeedTest speed is a built-in ground speed simulator that is used inperforming pre-field checks. When a typical operating speed is entered,the HARDI® MUSTANG 3500 will respond as if you were actually drivingthat speed. It allows you to simulate your spraying application with plainwater, while remaining stationary, so that you can make certain that allof the equipment is operating properly and that your sprayer canactually perform the intended application. Test Speed will notaccumulate distance or area.