Garmin GPSMAP 175 Owner's Manual

Garmin GPSMAP 175 Owner's Manual Manual pdf 70 page image

A. The GPSMAP 175will also displayposition coordinatesin eight gridformats.B. To enter a usermagnetic variation,select the ‘User MagVar’ option andenter a directionand value in the variation field.SETUP MENUSNavigation SetupThe navigation setup submenu is used to select a variety of navigationinformation including: position format, units of measure, and headingpreferences. This submenu is also used to select map datums, set the CDIscale and adjust the built-in velocity filter. The following options are available:• Position Format lets you select the coordinate system used to displayposition. The following formats are available:• hddd.dddddº (degrees) • hdddºmm.mmm’ (degrees and minutes)• hdddºmm’ss.s” (deg/min/sec) • British grid• German grid • Irish grid• Maidenhead • Swedish grid• Swiss grid • Taiwan grid• UTM/UPS grid• Navigation Units selects the format for speed and distancemeasurements. You may select from nautical, statute or metric formats.(The default setting is nautical.)• Depth Units selects the format for depth contour display on G-chartoffshore chart cartridges. Depth contours can be displayed in feet,meters or fathoms. (The default setting is feet.)• Heading lets you select what reference is used in calculating headinginformation. You can select to reference automatic magnetic variation,true north, grid heading or user magnetic variation. (The default settingis automatic.)To enter a user magnetic variation:1. Highlight the ‘Heading’ field and press T. Select the ‘User Mag Var’option and press T.2. Press T to access the variation field, and use the R keypad to enter thedesired variation. Press T to confirm.669