How to select the USB mode in LR8431

QThere are 3 modes for USB ("USB Memory", "USB Communication", "USB Drive") in the LR8431 Memory HiLogger. What is the difference?


USB Memory
Use a USB flash drive.

USB Communication
Communicate with the LR8431 and initiate measurement using the Logger Utility software from a computer (using a USB cable).

USB Drive
Read files on a CF card that is connected to the LR8431-20 from a computer (using a USB cable).