If you just received your camera, you probably do have the latest firmware. Each camera is updated before it leaves the warehouse.
To check which version you have, you'll need to connect your camera to a computer.
From page 51 of the manual:
Checking the Software Version Currently Installed
To check which version of Blackmagic Cinema Camera Utility software is installed on your computer, open
the About Blackmagic Cinema Camera Utility window.
• On Mac OS X, open Blackmagic Cinema Camera Utility from the Applications folder. Select About
Blackmagic Cinema Camera Utility from the application menu to reveal the version number.
• On Windows 7, open Blackmagic Cinema Camera Utility from your Start menu. Click on the Help menu
and select About Blackmagic Cinema Camera Utility to reveal the version number.