Power the camera on. Press the "White Balance" located on the rear left of the camera. Use the scroll wheel on the rear right side of the camera to manually set the white balance.
Set the auto exposure shift (AE Shift) button on the rear right of the camera to "Off."
Press the "Iris" control button on the right front of the camera near the lens. This will unlock the "Iris Wheel" directly in front of the button, and you can use this to manually adjust your exposure. When you have the exposure to your liking, press the "Iris" control button again to lock the wheel and hold the exposure.
Press the "Gain Control" button on the rear upper left of the camera. This will unlock the scroll wheel at the bottom rear of the camera, and you can adjust the gain manually to lighten or darken your image. When you are done, press the "Iris" control button again to lock the wheel and hold your gain setting.