The "gears" are Full Image render

Clicking the buttons to the right of the Rendering Quality box titled Adjust, Gradient or Size will Bring up the Preview Render Window, clicking the Fx will bring up the Triangle editor for the fractal. The Render Quality setting will control the resolution of the Large main Panel image, the higher the number the higher the resolution applied to the Main Image and the longer it takes to render the preview.

Remember...No matter where you go there you are