to be honest, we don't know if this could be changed. You can try to find an option under LayerSlider plugin but we did checked it already with no luck.
I purchased the LayerSlider plugin so I could update it to the latest version and this fixed my problem. I didn't realize you need to buy LayerSlider and Slider Revolution in order to keep these plugins up to date. Thank you.
You don't need to buy LayerSlider or Revolution Slider to keep these plugins up to date because recent versions of both are included into theme. If you read below topics, you will understand how to update each plugin:
Comments
to be honest, we don't know if this could be changed. You can try to find an option under LayerSlider plugin but we did checked it already with no luck.
http://forum.muffingroup.com/betheme/discussion/5/how-to-update-revolution-slider
http://forum.muffingroup.com/betheme/discussion/799/layerslider-wp-update
Thanks!