10 TRACKER 5430/5430i Installation and Operation ManualNAVMAN2-6 Simulate modeSimulate mode allows a user to become familiarwith the TRACKER off the water. In Simulatemode, the data from the GPS receiver andother sensors is ignored and the TRACKERgenerates this data internally to simulate themovement of the boat. Otherwise, the TRACKERfunctions normally.To see if the TRACKER is in Simulate mode, pressDISP and select Satellite. If it is in Simulatemode, then it shows Simulate at the top left ofthe display.To start and stop Simulate mode, (see section 13-1).Warning: Never have Simulate mode onwhen the TRACKER is navigating on the water.2-5 AlarmsWhen the TRACKER detects an alarm condition,it displays a warning message on the display, theinternal beeper sounds and any external beepersor lights operate.Press ESC to clear the alarm. The alarm will soundagain if the alarm condition occurs again.The TRACKER has user settable alarms plus analarm for loss of GPS fix (see section 13-7)The MOB feature saves the boat’s position andthen navigates back to this point. To do this:1 Press .The TRACKER beeps four times and stores theboat’s position as a waypoint called MOB.2 The TRACKER changes to the chart display,with the MOB waypoint at the centre ofthe chart.The chart zooms in for accurate navigation.If the chart can not show the required smallscale, the TRACKER changes to plotter mode(a white display with crosshatching, and nochart details, see section 13-2).3 If the autopilot output is off (see section 13-8)the TRACKER immediately starts navigatingback to the MOB waypoint.If the autopilot output is on, the TRACKERasks if the autopilot is active. Select:2-4 Man overboard (MOB)No: The TRACKER immediately starts navigatingback to the MOB waypoint.Yes: The TRACKER asks if the boat is to go to theMOB waypoint. Select:Yes: to immediately start navigating to theMOB waypoint.Warning: This might result in a suddenand dangerous turn.No: to allow time to disengage the autopilot;then use Goto to navigate back to the MOBwaypoint (see section 3-3) .To cancel MOB or set another MOB.1 Press again to display a menu.2 Select an option from the menu.Tip: The MOB waypoint remains on the chartafter the MOB has been cancelled. To delete theMOB waypoint, (see section 9-2-5).2-3 Backlight and display contrast1 Press briefly to show the display controls.2 The display and keys are backlit, with sixteenbrightness levels.To change the backlight, press (dimmer)or (brighter)3 To change the display contrast:i Press to choose Contrast.ii Press or to adjust the contrast.4 Press ENT to accept the new values.