Garmin 188c User Manual

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The Spot Soundings, Tide Stations, and Services options each 

contain adjustments for text and zoom.

•  Text—None (except Spot Soundings), Small, Medium, and 

Large: controls the screen size of the name. 

•  Zoom—Auto, Off, 120 ft-800 mi: sets the maximum range 

features should appear on the Map Page. Some types of data 

only are visible to specific zoom ranges.

•  Symbol Set—Auto, Garmin, NOAA, International: controls 

a navaid symbol set.

•  Text Size—Small, Medium, and Large: controls the screen 

size of the name.

•  Light Sectors—Off, Auto, On: controls the drawing light 

sectors on the map.