I needed a few experimental video sessions to get the camera angle set properly. You want a tad of the front wheel in the shot with an occasional glimpse of the handlebars, and not to much of the distant trail. To adjust the camera angle, a firm push will usually rotate the housing, else you can loosen the swivel bolt, and adjust as needed. It might be nice to have some markings or indentations on the swivels so that you could replicate the same settings if you ever change or adjust an angle. If you attach the unit elsewhere you will need to adjust the camera angle to gather the shots that you might want. When using the additional mounts that have more swivels I found it difficult to get enough torque on the tightening bolts to keep the unit from moving around while riding.
You can turn the camera upside down, and then using the settings on the camera, record that footage downside up. I of course made a test once doing just that, and forgot to set it back to the normal mode so all my video was upside down!
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