Garmin 521 User Manual

Using Charts

Use the map pointer ( ) to view information about on-screen map 

items, waypoints, and charts.

1.  On the Navigation chart, highlight an item with the map pointer, 

and press 

.

2.  Select the item. If more than one item is in the area, select 

, and then select the item.

Tide-station information appears on the chart with a detailed icon 

showing the relevant tide level. You can view an in-depth graph for 

a tide station to help predict the tide level at different times or on 

different days.

  Use the map pointer ( ) to highlight a tide-station icon ( ), 

and press 

.

For more information about tides, see 

  To change chart settings from the home screen, select 

 >  

 > 

 > 

.

Photos—sets the high-resolution satellite images to Off, Land 

Only, or On. High-resolution satellite imagery is only available 

while using a BlueChart g2 Vision SD card. 
Tides/Currents—turns tides and currents on or off (

Service Points—turns marine service points on or off.
Roses—displays a compass rose around your boat, indicating 

compass direction. True wind or apparent wind direction displays if 

the unit is connected to a compatible marine wind sensor.