G-CORE Green Caddy is full featured GPS Golf Range Finder with graphical view. You can download all courses in USA and 10 golf courses other areas with your choice. The 9 hole public course is free download.Features:*Auto Searching *Select Course *Preview Course*Download Course – Select By Area, Select Nearby Location, Request New Course, Check Updated Maps*Advance Functions – My Club Distance, View Average Distance, View Record, Course Recording, Measure Distance, GPS Information, Program Information*Target Point *Camera *Meter/Yard *Left/Right Green*Select/Modify Club *Scorecard/Input Score *Select Hole*Mark Position – Measure Driving Distance*Hole Note *Course Information *Check Green Slope*Adjust Hole *Set pin*Select Result Mode – Auto/Manual1. Turn-on the GPS.2. At first installed there is no course maps, please download course maps.3. Read first the Help – Main Menu Help, Advance Menu Help, Play Menu Help, Play Screen Help.