Downloading takes place totally automatically. All you do is turn the unit on and place it in the cradle. The computer automatically senses the connection and begins to download data. It only downloads files that are new or that have changed since the last download. Multiple data dictionaries can be loaded into the Geo3.
Digital compass is built in.
Offset capability is built in. However, the offsets are all manually entered. There is a real time map display. Logged features appear on a map as they are collected. There is a Repeat, Pause and Resume key for easier use.