Garmin GPSMAP 2210 Bedienungsanleitung PDF herunterladen (Seite 68)

60 GPSMAP 2206/2210 Owner’s Manual

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The following settings are available:

• Position Format—used to change the coordinate system in which a given

location reading appears. Only change the position format if you are using

a map or chart that species a different position format or you want to use a

format you are familiar with. The default format is latitude and longitude in

degrees, minutes, and thousandths of a minute (hddd°mm.mmm’).

•

Depth—select the units of measure for depth in Feet (ft), Fathoms (fa),

or Meters (m). You must be receiving NMEA Sonar depth data or using a

Garmin Sonar Module for the depth to appear.

•

Map Datum—manually select the datum reference used to determine

a given location. The default setting is WGS 84. The unit automatically

selects the best datum depending on your chosen position format. Datums

are used to describe geographic locations for surveying, mapping, and

navigation and are not actual maps built in the unit. Although more than

100 datums are available, you should change the datum only if you are

using a map or chart that species a different datum.

WARNING: Selecting the wrong map datum can result in substantial

position errors. When in doubt, use the default WGS 84 datum for best overall

performance.

• Temperature—set the units of measure for temperature in Fahrenheit (°F)

or Celsius (°C). You must be receiving NMEA Sonar temperature data or

using a Garmin Sonar Module for the Temperature to appear.

• Distance, Speed, and Elevation—set the units of measure for distance,

speed and elevation readouts in Nautical (nm, kt, ft), Nautical (nm, kt, m),

Statute (mi, mh, ft), or Metric (km, kh, m) terms.

•

Pressure—set the units of measure you want to use for weather readouts

in Inches Mercury (in), Millibars (mb), or Hectopascals (hPa). You must be

using a Garmin weather product for this data to appear.

• Heading

—set the reference used in calculating heading information. You

can select Auto Mag Var, True, Grid, and User Mag Var. Auto Mag

Var provides magnetic north heading references that are automatically

determined from your present location. True provides headings based

on a true north reference. Grid provides headings based on a grid north

reference. User Mag Var allows you to specify the magnetic variation at

your present location and provides magnetic north heading references

based on the variation you enter.

WARNING: If you select User Mag Var, you must periodically update the

magnetic variation as your location changes. When using this setting, the

GPSMAP 2206/2210 unit does not automatically calculate and update the

magnetic variation at your present location. Failure to update this setting can

result in substantial differences between the information displayed on your unit

and external references, such as a magnetic compass.

To enter a user-dened magnetic variation:

1. With the Heading eld set to User Mag Var, highlight the heading

reference eld (immediately to the right), and press ENTER.

2. Enter the magnetic variation at your current location, and press ENTER.

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