Settings, System.
Starting from the bottom left touch the inner4 corners of the screen in an anti-clockwise direction.
Menu for unit should appear.
Vide of this:
setup, System.
Starting from the top left tap the inner 4 corners of the screen in a Clockwise direction.
A new menu should appear.
Tap multiple times on the letter E in the word engineering that's at the bottom left of the screen.
Extra functy including CAN info.
Touch it to see a menu that can show 7 pages of information.
video of it: