2. If necessary, enter the number of the light you want to be active in the Light box.
3. Click Dynamic (in the Lights dialog box). The knobs option box appears displaying:
◦ One to nine buttons (depending on type of light active).
◦ Row of numbers corresponding to each of the buttons.
◦ Horizontal sliding bar.
◦ The bottom row of buttons, numbers 1, 2 and 3 represent the x, y and z axes of the viewport.
◦ The middle row of buttons, numbers 4, 5 and 6 represent the x, y and z rotational axes of the viewport.
◦ The top row of buttons, numbers 7, 8 and 9 represent brightness, cone angle and spot power.
4. Either:
◦ Turn the appropriate knobs to change the properties for the active light or
◦ click the appropriate number for the properties you want to change, and use the sliding horizontal bar to change the properties for the active light.
5. You can continue to dynamically change the active light's properties until you click .
If you don't have a knobbox, you can still use the knobbox menu by clicking the corresponding knob button and specifying the necessary information (angle, distance, and so on).
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