Garmin GPSMAP 178C Owners Manual - Page 18

Main s/Map data are also shown. It also displays your track, routes - bluechart

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Page 18 highlights

Getting Started Main Pages/ Map Page Main Pages The Map Page is one of six main pages used in the GPSMAP 178/178C Sounder's system. The six main pages are the Map Page, Map/Sonar Split Page, Sonar Page, Compass Page, Highway Page, and Active Route Page. All pages are linked together in a simple chain, which allows you to scroll through the pages in either direction using the PAGE and QUIT keys. Map Page Map/Sonar Split Page PAGE Sonar Page Compass Page Highway Page QUIT Active Route Page Map Page The GPSMAP 178/178C Sounder's Map Page combines digital chartplotting with a user-selectable display of navigation data and a built-in worldwide database. It is also the page you use most to create and edit waypoints and routes. Before we take off on our practice route, let's take a brief look at its various features and displays. The map display shows your "boat" as a triangle marker on an electronically generated chart. Geographic names, roads, markers and buoys that are provided by the optional BlueChart or MapSource data are also shown. It also displays your track, routes, and nearby waypoints. An on-screen cursor lets you pan to other map areas, determine the range and bearing to a position, and perform various waypoint and route functions. The data window, located at the top of the page, provides a user-selectable display of various navigation data, including speed over ground, distance to the next navigation point, compass ribbon, and current position coordinates. The current map scale setting is located at the bottom right of the page. 

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¹
Getting Started
Main Pages/
Map Page
Main Pages
The Map Page is one of six main pages used in the GPSMAP 178/178C Sounder’s system. The six
main pages are the Map Page, Map/Sonar Split Page, Sonar Page, Compass Page, Highway Page, and
Active Route Page. All pages are linked together in a simple chain, which allows you to scroll through the
pages in either direction using the
PAGE
and
QUIT
keys.
Map Page
The GPSMAP 178/178C Sounder’s Map Page combines digital chartplotting with a user-selectable
display of navigation data and a built-in worldwide database. It is also the page you use most to create
and edit waypoints and routes. Before we take off on our practice route, let’s take a brief look at its vari-
ous features and displays.
The map display shows your “boat” as a triangle marker on an electronically generated chart.
Geographic names, roads, markers and buoys that are provided by the optional BlueChart or MapSource
data are also shown. It also displays your track, routes, and nearby waypoints. An on-screen cursor
lets you pan to other map areas, determine the range and bearing to a position, and perform various
waypoint and route functions.
The data window, located at the top of the page, provides a user-selectable display of various naviga-
tion data, including speed over ground, distance to the next navigation point, compass ribbon, and cur-
rent position coordinates. The current map scale setting is located at the bottom right of the page.
PAGE
QUIT
Active Route Page
Highway Page
Map Page
Compass Page
Map/Sonar Split Page
Sonar Page