Hello LeRob66,
First of all, cool action figure, it looks vintage. Is it collectible? The helmet doesn't show the Rebellion symbol, that caught my eye.
Anyway, as your second screenshot states "While adjusting these settings, the main preview will be paused. Do you still want to change device settings?"
Debut is designed to pause the preview while adjusting the camera settings and cannot be changed.
If you would like to suggest to the developers that users should be able to watch during the preview the settings change without pause, do so here: http://www.nch.com.au/suggestions/
Thanks.