Kodak EasyShare P850 Digital Camera "speed meter dont work" Questions

dont want to take all of my picture is auto mode, I want to work with aperture, exposure and so on. When I put it in manual mode I can't figure out how to change the exposure and so on. Please help!!!

...speed indoors ... I used 400 once and got terrible noise but again I was still learning my settings and so I might try to give it a second chance. Auto works fairly well for iso 5 M is my prefered ...