First, GPS data import
Step 1 : Connect the handset to the computer
手持机，然后进入手持机的“设置”，选择“ USB ” ,选择“大容量存储模式” Connect the GPS handheld with saved data, then enter the "Settings" of the handheld, select " USB " , select "mass storage mode"
Step 2 : Data Import
软件，点击“与GPS进行传输”，选择需要导出的文件和类型（航点、航迹、航线），选择后，点击 After the handheld is connected to the computer, open the NAVA GPS OFFICE software, click "Transfer with GPS", select the file and type (waypoint, track, route) to be exported. After selecting, click The right arrow in the middle will import the data into the software.
Coordinate system conversion and export
内容”，选择需要转换的类型（以下以航点为例，坐标系为80 ） Step 1 : Click " GPS Content" and select the type you want to convert (the waypoint is taken as an example below, the coordinate system is 80 )
”，然后会出现自定义对话框，通过地域不同，修改相关参数。然后点击“确定”。 Step 2 : After the selection is completed, click “Set” and select “Coordinate System”. A dialog box appears. First select “Coordinate Projection” and select “ USER ”. Then a custom dialog box will appear. Parameters. Then click "OK".
”。 Step 3 : Select "Reference Ellipsoid" and " XA80 ". A custom dialog box will appear again, and the setting requirements are the same as the second step. When done, click "OK".
”坐标格式 Result: The imported data is in " XA80 " coordinate format
Third, export data (open with TXT file)
Step 1 : Select the points, routes and tracks to be exported. Then click on the format you want to convert
.CSV 格式的文件，通过 TXT 打开。 Step 2 : Export the file in .CSV format and open it through TXT .