Make sure the device is connected to a power source.
Plug the USB stick into the port on the device.
select the "Settings" icon in the lower right corner of the screen.
From the menu of options on the left side of the screen, select the USB icon button.
Select the "Save to USB" button.
Select 'CSV "All Channels"' to download all data on the device.
A pop-up will alert you that the data is saving. DO NOT remove the USB stick while this message is onscreen.
Once the download is complete, the message will disappear. At this point, it is safe to remove the USB stick to download the file on your computer in CSV format.