Garmin 220 Guida Utente

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Astro
 
Dog Tracking System Owner’s Manual 
Settings
Map Setup – Marine Page
icon. Use the Map Setup – Marine page to customize 
settings for marine colors, spot soundings, light sectors, 
and symbol sets when using downloaded marine charts 
(MapSource BlueChart marine mapping data).
Marine Colors–turns marine colors On or Off on the 
Map page.
Spot Soundings–turns spot soundings that indicate 
depth measurements On or Off on the Map page.
Light Sectors–turns navigational light locations Off, 
Auto (location shown when map pointer passes over), 
or On.
Symbol Set–selects the map symbol set (Auto, 
GARMIN, NOAA, International).
Routing Setup
To open the Routing Setup page:
  Press 
MENU > MENU > 
Advanced
 > 
Settings
 > 
Routing
.
To select the guidance method your Astro 220 
uses to calculate routes:
  On the Routing Setup page, select 
Guidance 
Method
.
Prompted–asks you to select a routing method 
before the route is calculated.
Follow Road–creates a route that overlays the 
roads on the map.
Off Road–creates a direct line from your current 
location to your destination.
To select the method your Astro 220 uses to 
calculate road routes:
  On the Routing Setup page, select 
Follow Road 
Method
.
Prompted–asks you to select a follow-road method 
before the route is calculated.