Lowrance lms-522c igps 操作ガイド

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This is a factory setting on the GPS Setup menu that should always be 
left on. When stopped or traveling at slow speeds (such as walking or 

trolling), Track Smoothing prevents wandering of trails, the steering 

arrow, compass rose and a map in track-up mode. 

 

There are several options you can use with trails. Some affect all trails, 

other options can be applied to a particular trail. You can change the 

way trails are updated, display or hide trails, create a new trail, delete 

a trail and edit a trail's name, color, pattern and visibility.