Selecting a Different Heading ReferenceYou can select from Auto Mag Var, True, Grid, and User MagVar. Auto Mag Var provides magnetic north heading referencesthat are automatically determined from your current location. Trueprovides headings based on a true north reference. Grid providesheadings based on a grid north reference (and is used in conjunctionwith the grid position formats).User Mag Var allows you to specify the magnetic variation at yourcurrent location and provides magnetic north heading referencesbased on the variation you enter. Enter the magnetic variation ofyour current location in the Magnetic Variation field if you haveselected User Mag Var for the heading.WARNING: If User Mag Var is selected, the unit does notautomatically calculate and update the magnetic variation atyour present location. You must update the magnetic variation asyour location changes. Failure to update this setting can resultin substantial differences between the information shown on yourunit and external references, such as a magnetic compass.Welcome Sub TabThe Welcome sub tab allows you to enter information, such as yourname and address, that the unit can show when it is turned on. Thisfeature can be helpful if your unit is ever misplaced.To open the Welcome sub tab, press MENU twice to open the MainMenu. Select Setup from the vertical tab list. Then select Welcomefrom the row of tabs along the top of the page.Welcome Sub TabEnter the information in the fields. You do not need to enterinformation in every field.To show this information at start up, highlight the box next to Showat Power-up. Press ENTER to place a check mark in the box. Tohide the welcome information at start up, remove the check markfrom the box.GPSMAP 396 Pilot’s Guide 121M AIN MENU > SETUP TAB
