USGlobalsat DG-200 Ver.1.1 - Manual (Page 22)

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You could open the saved traveled path data by clicking on icon on tool bar or
selecting [File]  [Open]. You could only open the file of *.gsr format.
.
4-6 Setting the Traveled Points
Connect DG-200 and PC according to the steps in 4-2.
Click on icon on tool bar or select [Device]  [Setting…]
You would see the screenshot as below.
Function description:
Data logging format ( choose the required travelled point’s detail for recording)