ReferenceMain Menu: System Tab/Units TabTrack Control* – ‘Auto Track’ steers to the current navigation point. ‘User Track’ allows you toenter a heading in the ‘Track’ field.Track* – lets you enter a heading.Speed* – lets you enter a speed.Transducer* – lets you simulate using a Depth Only, Temp Only, or Temp/Speed transducer.* These fields only appear when the unit is in Simulator Mode.• System Information – displays the unit’s software, basemap version, and electronic serial number.Press MENU for the following options:• Defaults – restores settings on System page to default values.• All Unit Defaults – restores all settings to Garmin’s original setup values for the entire unit.Units SubmenuTab— defines settings for Position Format, Map Datum, Heading, Distance, Speed,Elevation, Depth, and Temperature.The following settings are available:• Position Format – is used to change the coordinate system in which a given position reading isdisplayed. You should only change the position format if you are using a map or chart that speci-fies a different position format or wish to use a format you are familiar with. The default format islatitude and longitude in degrees, minutes, and thousandths of a minute (hddd°mm.mmm’). Thefollowing additional formats are available:• hddd.ddddd° – latitude/longitude in decimal degrees only• hddd°mm’ss.s” – latitude/longitude in degrees, minutes, seconds• UTM/UPS – Universal Transverse Mercator / Universal Polar Stereographic grids• British Grid • Dutch Grid • Finnish KKJ27 • German Grid• India Zones • Irish Grid • Loran TD • Maidenhead• MGRS • New Zealand • Qatar Grid • RT90• Swedish Grid • Swiss Grid • Taiwan Grid • User Grid• W Malayan RSO • UTM/UPSFor additional information on Loran TD setup, see page 102.Main Menu—System Tab(Simulator Mode)Main Menu—Units Tab