LG LN555 ユーザーズマニュアル

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Route manager
54
Detour
When you run into a traffic jam or roadblock, you may
want to have the Navigator calculate a route that
departs the original route as soon as it can. 
You will need to select the minimum distance along
the original route where your new route is allowed to
rejoin the original route. Select the one you feel
appropriate for the traffic difficulty you face.