ESI-500Pilot’s Guide2-5OperationTable 2-1: Pilot Menu ListITEM DESCRIPTIONBattery Shutdown Initiate battery shutdown. Only available when air-craft power is removed from the ESI-500.NAV Mode Toggle navigation display on/off and select display ofGPS or VOR/ILS navigation information. Only avail-able when VOR/ILS or GPS Navigation configurationoption is enabled.CRS Direct To Changes the selected course to the current VORomnibearing. Course arrows on the heading tapealso reflect current course. Only available whenVOR/ILS Navigation is enabled via NAV Mode.Set Course Adjust the selected course value.Only available when VOR/ILS Navigation is enabledvia NAV Mode.Data Field Toggle Data Field readout on/off and select thedesired Data Field to display. Only available withRelease 1.3 or greater when Data Field configurationoption is enabled. Note that if the battery symbol isdisplayed, the selected Data Field readout is hidden.SynVis Mode Toggle Synthetic Vision Mode on/off.Only available when SynVis is enabled via optionactivation.SynVis Gridlines Toggle Synthetic Gridlines on/off.Only available when SynVis is enabled via optionactivation.Set BrightnessOffsetAdjusts display brightness in increments of 1 from 0(lowest brightness level) to 100 (highest brightnesslevel).BARO Type Select the barometric pressure unit. The options areInches of Mercury, Hectopascals, and Millibars.Metric Altitude Toggle Metric Altitude readout on/off.Only available when Metric Altitude Display configu-ration option is enabled.Alignment Activates the Alignment function.Battery Calibration Initiate the battery calibration function. Only availablewhen aircraft power is removed from the ESI-500.System Status Display the status of the following battery informa-tion: state of charge, temperature, last calibrationdate, and next calibration due date. It also showsaircraft effectivity.