Magellan SporTrak Color User Manual - Page 71
and degrees/minutes/minutes DEG/MIN/MMM or DEG/MIN/MM?
UPC - 763357105629
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Frequently Asked Questions General What is the difference between degrees/minutes/seconds (DEG/MIN/SEC) and degrees/minutes/minutes (DEG/MIN/MMM or DEG/MIN/MM)? There are different ways in expressing the coordinates computed using Lat/Lon coordinate system. With DEG/MIN/SEC the final set of numbers (SEC) is expressed as 0-59 while DEG/ MIN/MM expresses the same value as 0-99 and DEG/MIN/ MMM is from 0-999. It would be the same as if you had one clock that expressed time as hour/minutes/seconds and another clock that expressed the same time as hours/minutes/decimals. The accuracy for any of the three is the same. Which you choose is dependent upon your preference or any chart you are using at the same time. (You should always make sure that your SporTrak is setup to be the same as any map or chart you may be using.) What is 2D vs. 3D? The difference is primarily how many satellites are used to compute the position fix and how elevation is computed. In 2D (two-dimensional) only three satellites are needed for a position fix and elevation is not computed. Any elevation displayed by the SporTrak during 2D operation is the elevation you entered. In 3D (three-dimensional), a minimum of four satellites are needed to compute the position and at the same time, elevation is computed by the SporTrak. When the time changes for daylight savings time will the time, in the SporTrak change automatically? Yes. It is automatically selected when the receiver is used for the first time or all of the memory has been cleared. If you need to change the settings for daylight savings, you can use the Setup menu item and access "Daylight savings". There you can select United States, European Union or you can use the customize option to set the rules for daylight savings in your area. Magellan SporTrak GPS Receiver 61