Garmin GPSMAP 230 Owner's Manual

Also see for Forerunner 230: Owner's manual

Contents

Garmin GPSMAP 230 Owner's Manual Manual pdf 73 page image

A B61• CDI Steer To allows you select a steer-to-center or steer-to-D-Bar orientation forgraphic steering guidance. The steer-to-center selection displays your position as thevertical line on the scale, and your desired track as the center of the scale. The steerto D-Bar option displays your position as the center of the scale, with the desiredtrack as the vertical line. The default setting is steer to center.• Map Datum provides a list of the available map datums for use with the GPSMAPsystem. For a list of the available GPSMAP datums, see Appendix D. The default set-ting is WGS 84.• Velocity Filter allows you to select the GPSMAP’s response time to changes intrack or ground speed. Three settings are available: automatic, on, or off. The ‘auto’(default) setting will monitor the changes in your current track and speed andadjust the receiver’s response time automatically. The ‘on’ setting allows you tomanually enter a response time up to 240 seconds. Selecting a higher setting may bedesirable in slow-speed applications with frequent changes in track.To enter a user defined velocity filter value:1. Highlight the ‘Velocity’ field and press T. Select the ‘On’ option and press T.2. Highlight the time value field.3. Press T.4. Enter a value in seconds (up to 240) and press T to confirm.A. CAUTION! Using the incorrect map datum canseriously effect the accuracy of your GPS receiver.The GPS datum should always match the datum ofthe local chart you are using. If no datum informa-tion is indicated on the charts you are using, contactthe chart manufacturer.B. Keeping the velocity filter on the ‘Auto’ setting willallow the GPSMAP 230 to automatically monitorand adjust the response time for track and speedcalculations.SECTION9SETUP MENUSNavigation Setup