Understanding Chart Data - Garmin GPSMAP 546 Owner's Manual

Using Charts

Understanding Chart Data

Charts for BlueChart g2 and BlueChart g2 Vision use graphic symbols to
denote map features that follow the standards for USA and international charts.
Other features common to most charts include depth contour lines (with deep
water represented in white), intertidal zones, spot soundings (as depicted on
the original paper chart), navigational aids and symbols, and obstructions and
cable areas.
navigating to a Point on the Chart
1. From the Home screen, select Charts.
2. Select Navigation Chart, fishing Chart, or Split Navigation Chart.
3. Use the Rocker to select the point on the chart to which you want to go.
4. Press SELECT.
5. Select Navigate To.
6. Select go To (or guide To when using a preprogrammed BlueChart g2
Vision card for Automatic Guidance).
7. Follow the colored line on the screen to the destination.
To create a route to a point on the chart, see
Panning the navigation Chart
Use the Rocker to move the map pointer (
location and to scroll to other areas on the Navigation chart. As you pan past
the edge of the current map display, the screen scrolls forward to provide
continuous map coverage.
As you move the map pointer
➊
your current location and the map pointer's location coordinates, in the lower-
right corner of the map.
10
page 26.
) away from your current
, you can view the distance and bearing from
➊
To pan the map, press up, down, right, or left on the Rocker.
To stop panning, press MENU, and then select Stop Panning.
Zooming In and Out on the Map
The Range (-/+) keys control the zoom level, indicated by the scale at the
bottom of the Navigation chart (
that distance on the map.
). The bar under the number represents
GPSMAP 400/500 Series Owner's Manual