other at right angles on a map. Grid systems allow

 

you to locate or report on a specific point on the

 

map.

Heading (hea)

Compass direction on the present course.

Latitude

Angular distance North or South of the Equator.

Longitude

Angular distance West or East of the prime

 

meridian.

Navigation

Traveling between two locations on a route with

 

knowledge of the current position in relation to the

 

route.

Position

Exact map coordinates of a given position.

Time of Sunrise (tsr)

Time of sunrise based on the current GPS

 

position.

Time of Sunset (tss)

Time of sunset based on the current GPS

 

position.

Time to Waypoint (ttw)

Estimated travel time to the next waypoint based

 

on the current speed.

UTC offset

UTC means Universal Time, Coordinated. There

 

are 25 standard time zones around the world that

 

are all an integer offset of hours to UTC-time. If

 

UTC-time is 12:00 (Noon/PM), then people having

 

offset +5 hours, have local time 17:00 (or 5:00

 

PM). There are also some countries/places not

 

using the standard time zones, they might be e.g.

 

5 hours and 45 minutes ahead of UTC.

Universal Transverse Mercator (UTM) A grid system where the world is divided into 60 north-south zones, each covering a strip 6° wide in longitude.

Waypoint

Position coordinates on a course stored in the

 

Suunto X9 memory.

WGS 84

WGS-84 (Geodetic, 1984) is an international

 

reference system (map datum) which defines the

 

shape of an earth ellipsoid, its angular velocity,

 

mass, and gravity.

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Suunto X9_en manual You to locate or report on a specific point on