Professional handheld GPS GARMIN (DR) how to use
Would like to use the function of handheld GPS purposes, the measurement of soil area, linear navigation, auxiliary fishing waypoint navigation point information, traffic data display, etc.
Handheld GPS purposes, the measurement of soil area, linear navigation, auxiliary fishing waypoint navigation point information, traffic data display, such as the use of functional machines should be used manual
Look at the functional machine should use the instructions
