Detailed explanation of how to use Rikuo Cannon SLR camera?

Auto mode, turn the focus ring, press the shutter, complete the photo, aperture priority, turn the wheel to adjust the aperture, turn the focus ring, press the shutter, complete the photo, shutter priority, turn the wheel to adjust the shutter, turn Use the focus ring to adjust the focal length to a suitable focal length, press the shutter, and complete the photo. It's that simple.

Brother, taking a photo is very simple, just adjust a few parameters, but there is a lot of knowledge involved, which I won't cover here. It may be explained clearly, but you have to explain it in detail. You need to read the manual first. It is best to take a professional photography class or have a master take care of it, otherwise you will not be able to figure it out on your own