The GPSMAP 175’s position page features a context-sensitive optionspage that provides access to functions and features relating to theposition page.To display the position page options:1. Press O.To select a menu option:1. Highlight the desired option and press T.The following options are available:• Reset Trip Distance?— resets the trip odometer (TRP) field to zero.• Change Data Fields?— allows you to choose the data displayed inthe four user-selectable data fields. Five data types are available:• COG— course over ground• SOG— speed over ground• TRP— distance traveled• ALT— altitude• VDC— DC voltageTo change a data field:1. Highlight the ‘Change Data Fields?’ option and press T.2. Move the field highlight to the field you want to change and press T.3. Select the desired data field option and press T.• Restore Defaults?— resets all data fields to the factory settings.• Setup Simulator?— allows you to define speed, course and positionvalues while in simulator mode. See the Getting Started Tour for moreon using simulator mode.POSITION PAGEPosition Page OptionsA. The four data fieldsat the top of theposition page can bechanged by selectingthe ‘Change DataFields?’ option.B. Each data field canbe set to displayspeed over ground,course over ground,distance traveled, altitude or DC voltage.272