Garmin 640 Guida Utente

Marine Mode: Using Charts

The scale at the bottom of the chart (

) indicates the zoom 

level. The bar under the number represents the numeric scale 

distance on the map.
Touch   and   to zoom in and out on the Navigation chart.

1.  Touch a point on the Navigation chart.
2.  Touch an option:

  Note: The options that appear are dynamic, and depend on the 

point you touched.

—view details of the chart objects near the pointer. 

(

Review only appears if the pointer is near multiple objects 

on the chart—if the pointer is near only one object, the name 

of the object appears instead of 

Review.)

—marks a waypoint at the location of the 

pointer (

).

•
•

—view additional information about an object or 

area of the chart.

—view the distance and bearing of the 

object from your current location. The information appears 

in a window on the upper-left corner of the screen. Touch 

 to measure from a location other than your 

current location.

  Note: You can touch and drag the pointer to a new location.

1.  Touch an object on the chart or an area of the chart.
2.  Touch 

, and choose from the following options:

—view tide information provided by the tide station 

—view current information provided by the current 

station closest to the object or area of the chart

 (

—view sunrise and sunset almanac data for the 

object or area of the chart

 (

).