To enter the setup menu you will need to use the keyboard again and press the CTR ALT DEL buttons (like you would logging onto a PC).After a moment you will see the main menu screen again, this time highlight "Time setup" and press enter on your keyboard. 

Then highlight the timezone option and press enter on the keyboard

You'll then need to select your timezone. Scroll down to your timezone then press the space bar button so that the * appears in the brackets next to your timezone and then hit enter.

7. Then choose done, exit like last time by saving same as last time.