User manual GARMIN GPSMAP 4212

[. . . ] GPSMAP® 4000 Series owner's manual © 2008 Garmin Ltd. or its subsidiaries Garmin International, Inc. 1200 East 151st Street, Olathe, Kansas 66062, USA Tel. (913) 397. 8200 or (800) 800. 1020 Fax (913) 397. 8282 Garmin (Europe) Ltd. [. . . ] · Elevation--individually set the units of measure for elevation readings (Feet or Meters). · Volume--individually set the units of measure for volume readings (Liters, US Gallons, or UK Gallons). · Pressure--individually sets the units of measure for gauge (kPa or psi) and atmospheric (Millibars or Inches of Mercury) pressure readings. Heading--sets the reference used in calculating heading information. · Auto Mag Var (Automatic Magnetic Variation)--automatically sets the magnetic declination for your location. · True--sets true north as the heading reference. · Grid--sets grid north as the heading reference (000º). · User Mag Var--allows you to set the magnetic variation value. Position Format--sets the coordinate system in which a given location reading appears. Do not change the position format unless you are using a map or chart that specifies a different position format. Map Datum--sets coordinate system in which the map is structured. Do not change the map datum unless you are using a map or chart that specifies a different position format. ConfiGUrinG the Unit Time Format--sets the time format (12 hour, 24 hour, or UTC) for time readings. Time Zone--sets the time zone displayed for time readings. Daylight Saving Time--indicates whether you want daylight saving time Off, On, or Auto. The Auto setting changes turns daylight saving time on or off, depending on the time of year. Configuring Communications Settings To change the communications settings, from the Home screen, select Configure > Communications. Port Types--select each port's input/output format (NMEA Std. or NMEA High Speed) to use when connecting your unit to external NMEA devices, a computer, or other Garmin devices. · NMEA Std. --supports the input or output of standard NMEA 0183 data, DSC, and sonar NMEA input support for the DPT, MTW, and VHW sentences. · NMEA High Speed--supports the input or output of high speed 0183 data for most AIS receivers. NMEA 0183 Setup--enable or disable NMEA 0183 output sentences for sounder, route, system, and Garmin NMEA settings. To enable or disable NMEA 0183 output sentences: 1. From the Home screen, select Configure > Communications > NMEA 0183 Setup. [. . . ] 456, no civil action may be brought against the United States on the basis of the content of a navigational aid prepared or disseminated by either the former Defense Mapping Agency (DMA), National Imagery and Mapping Agency (NIMA), or the National Geospatial-Intelligence Agency (NGA). The DAFIFTM product is provided "as is, " and no warranty, express or implied, including, but not limited to the implied warranties of merchantability and fitness for particular purpose or arising by statute or otherwise in law or from a course of dealing or usage in trade, is made by NGA as to the accuracy and functioning of the product. Neither NGA nor its personnel will be liable for any claims, losses, or damages arising from or connected with the use of this product. The user agrees to hold harmless the United States National Geospatial-Intelligence Agency. [. . . ]