NorthStar Navigation Explorer 538i - Manual (Page 61)

Northstar Explorer 538i/538 Installation and Operation Manual 61
Attention Area - An important area on a chart,
such as a restricted anchorage or a shallow area
(see section 14-2).
Bathymetric line - A depth contour line on
the chart.
Chart card - A plug-in card that stores chart data
for a region (see section 1-3).
C-MAP™ chart card - See Chart card.
C-MAP™ user card - See User card.
Cursor - A symbol on the display (see section
3-2).
DGPS - Differential Global Positioning System. A
navigation tool based on GPS with some errors
corrected (see section 7).
Goto - A simple way of navigating straight to a
waypoint or to the cursor position (see section
3-1).
GPS - Global Positioning System. A satellite-
based navigation tool (see section 7).
Leg - The straight segments of a route between
waypoints. A route with four waypoints has three
legs.
MOB - Man overboard.
MOB function - Starts navigating back to the
place where someone fell overboard (see section
2-5).
NavBus - A way of connecting Northstar
instruments together to share data (see section
15-8).
NMEA - National Marine Electronics Association.
NMEA 0183 - A standard for interfacing marine
electronic devices (see section 15-9).
Route: Two or more waypoints linked in
sequence to form a course for the boat (see
section 6).
User card - A plug-in card that stores waypoints,
routes and tracks (see section 1-2).
UTC - Universal Time Coordinated or Coordinated
Universal Time, which is a standard world time,
formerly called Greenwich Mean Time (GMT).
Waypoint - A position that you can set on the
Explorer chart, for example a fishing spot or a
point on a route (see section 5).
Glossary
Appendix C - Glossary and navigation data