Lowrance electronic ELITE-7M 用户手册

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Controls map data used on the chart screen as well 

as display settings like grid lines, waypoints, routes 

and trails.

Chart Data
Selects map data that will be used on the Chart 

display (Lowrance or Navionics regional map). Go 

to Navionics.com to see a full selection of available 

charts.

COG Extension
A line extending from the front of 

the current position icon that esti-

mates the time and distance to ar-

eas in front of you.

Grid Lines
Displays base values for 

latitude and longitude, making 

it easier to get a general idea of 

your location on the latitude/

longitude scale.