How to adjust the aperture of Panasonic gf9?

Panasonic gf9 aperture adjustment method is as follows:

1. First, we adjust the shooting file of the camera to one file.

2. Then have a look. If your camera has a shoulder screen, try dialing the front and rear wheels.

3. If the data of FXX has changed, then the aperture has been adjusted.

4. If the SLR camera has a shoulder screen, turn the dial wheel to adjust the aperture value and display it directly on the shoulder screen.