Changing The Clock

Hey I just got my first car, a 1999 Chevy S-10 Extreme. It came with a pioneer head unit. I’ve figured out how to preset stations on it but I cannot figure out how to change the Time. Please help me! Thanks.

Look Here: http://www.pioneerelectronics.com/pna/product/manual/0,,2076_4277,00.html

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